Document Retrieval System Listing of All Service Instruction Documents for 2 Stroke & 4 Stroke Aircraft Engines For All Issue Dates Service Doc ID Title Date Download Size (K) (Old Document ID) Service Instructions Service Instructions and Service Letters contain information and instructions that can help aircraft builders, designers, owners, operators and service personnel insure optimum engine performance, reliability and serviceability. SI-912-016 Selection of Suitable Operating Fluids For 912 (Series) Engines, Rev. 16 2024-02-21 95 This revised service instruction adds new Fuel Standards and offers many important operating tips relating to fuel, oil, and coolant choices. SI-914-019 Selection of Suitable Operating Fluids For 914 (Series) Engines, Rev. 16 2024-02-21 90 This revised service instruction adds new Fuel Standards and offers many important operating tips relating to fuel, oil, and coolant choices. SI-912i-001 Selection of Suitable Operating Fluids for Rotax 912i series engines, Rev.11 2024-02-21 85 This revised service instruction adds new Fuel Standards and offers many important operating tips relating to fuel, oil, and coolant choices. SI-915i-001 Selection of Suitable Operating Fluids for Rotax 915i series engines R6 2024-02-21 90 This revised service instruction adds new Fuel Standards and offers many important operating tips relating to fuel, oil, and coolant choices. SI-912i-018 List of approved ECU software and hardware configurations for ROTAX® 912i & 915i (Rev.4) 2024-02-21 155 Overview of all available Software (firmware) versions for 912iS,912iSc,915iS,915iSc (all variants) SI-915i-004 List of approved ECU software and hardware configurations for ROTAX® 912i & 915i (Rev.4) 2024-02-21 155 Overview of all available Software (firmware) versions for 912iS,912iSc,915iS,915iSc (all variants) SI-916i-001 Selection of suitable operating fluids for ROTAX® Engine Type 916 i (Series) R5 2024-02-21 90 Adaptions/revisions in the tables for the released fuels according to local standards. SI-916i-004 List of approved Engine Control Unit (ECU) software and hardware configurations for ROTAX® 916 R2 2024-02-21 29 Overview of all available Software (firmware) versions for 912iS,912iSc,915iS,915iSc (all variants) SI-PAC-023 Optional accessory drive flange for ROTAX® Aircraft Engines -rev1 2024-02-08 5560 In the course of continuous development and standardization, an optional accessory drive flange (magneto side interface) has been introduced as optional extra part. SI-912i-029 Introduction of new double ignition coils and new wiring harnesses for ROTAX® 912i-915i-916i 2024-02-07 3900 the power connectors on double ignition coils have been changed from two individual Faston connectors to a single sealed Tyco connector SI-915i-012 Introduction of new double ignition coils and new wiring harnesses for ROTAX® 912i-915i-916i 2024-02-07 3900 the power connectors on double ignition coils have been changed from two individual Faston connectors to a single sealed Tyco connector SI-916i-007 Introduction of new double ignition coils and new wiring harnesses for ROTAX® 912i-915i-916i 2024-02-07 3900 the power connectors on double ignition coils have been changed from two individual Faston connectors to a single sealed Tyco connector SI-915i-010 Maintenance task add-on for engine suspension frame assembly (915i series) rev 1 2024-01-19 169 Engine suspension frame assembly - use of LOCTITE 243 as an additional sealant has been introduced. SI-912i-026 Maintenance task add-on for engine suspension frame assembly (912i series) rev 1 2024-01-19 169 Engine suspension frame assembly - use of LOCTITE 243 as an additional sealant has been introduced. SI-912-033 Maintenance task add-on for engine suspension frame assembly (912 series) rev 1 2024-01-19 169 Engine suspension frame assembly - use of LOCTITE 243 as an additional sealant has been introduced. SI-914-036 Maintenance task add-on for engine suspension frame assembly (914 series) rev 1 2024-01-19 169 Engine suspension frame assembly - use of LOCTITE 243 as an additional sealant has been introduced. SI-916i-005 Maintenance task add-on for engine suspension frame assembly (916i series) rev 1 2024-01-19 169 Engine suspension frame assembly - use of LOCTITE 243 as an additional sealant has been introduced. SI-PAC-026 Fuel pump and fuel pump part kits for ROTAX® Aircraft Engine Type 916 i A (Series) 2023-08-31 861 Installation and maintenance information for GENUINE ROTAX® part no. 889731 and part no. 481481 SI-914-039 Introduction of a new oil sump assy. for ROTAX® Engine Type 914 (Series) 2023-02-20 790 the 914 turbocharger oil sump assy. has been standardized to include a plug screw assy. (including screen) to allow inspection and cleaning. SI-912-032 Running modifications of the Bing constant depression carburetor for ROTAX® 912 (series) R1 2022-10-28 250 In the course of continued development and our commitment to product improvement, changes to several carburetor parts have been introduced. SI-914-033 Running modifications of the Bing constant depression carburetor for ROTAX® 914 (series) 2022-10-28 250 In the course of continued development and our commitment to product improvement, changes to several carburetor parts have been introduced. SI-2ST-011 Running modifications of the Bing constant depression carburetor for ROTAX® 582 Mod.99/Mod.17 R1 2022-10-28 250 In the course of continued development and our commitment to product improvement, changes to several carburetor parts have been introduced. SI-912i-002 B.U.D.S. Aircraft Installation Instructions for Rotax 912i type Aircraft Engine Rev.4 2022-03-23 80 Detailed instructions for installation of B.U.D.S. (BRP Utility and Diagnostic software) SI-915i-002 B.U.D.S. Aircraft Installation Instructions for Rotax 915i type Aircraft Engine R2 2022-03-23 80 Detailed instructions for installation of B.U.D.S. (BRP Utility and Diagnostic software) SI-914-038 B.U.D.S. Aircraft Installation Instructions for Rotax 914 (series) Aircraft Engine 2022-03-23 80 Detailed instructions for installation of B.U.D.S. (BRP Utility and Diagnostic software) SI-915i-008 Change of oil cooling of stator for ROTAX® Engine Type 915 i A (Series) and 912 i (Series) 2021-10-27 738 In the course of further development and standardization, the location of stator oil spray has been changed to optimize stator cooling SI-912i-028 Change of oil cooling of stator for ROTAX® Engine Type 915 i A (Series) and 912 i (Series) 2021-10-27 738 In the course of further development and standardization, the location of stator oil spray has been changed to optimize stator cooling SI-PAC-024 Optional fuel pressure adapter for ROTAX® Aircraft Engines. 2021-10-08 747 In the course of continuous development and standardization, an optional fuel pressure adapter has been introduced as an optional extra part. SI-912i-025 Fuel pump assembly for ROTAX® Engine Type 912 i (Series) Rev1 2021-09-07 5051 Installation and maintenance information for Genuine ROTAX® fuel pump assy. part no. 889696 (UNF) / 889698 (Metric). SI-PAC-016 Fuel pump assembly for ROTAX® Aircraft Engines R1 2021-07-28 1076 Installation and maintenance information for Genuine ROTAX® fuel pump assy. (rev 1) SI-912-018 Purging Of Lubrication System For Rotax 912 (Series) Rev.4 2021-07-02 813 Failure to properly purge the engine oil system after initial engine installation or after engine maintenance may result in engine damage / failure. This Service Instruction provides additional instructions that must be completed in their entirety. SI-914-020 Purging Of Lubrication System For Rotax 914 (Series) Rev.4 2021-07-02 813 Failure to properly purge the engine oil system after initial engine installation or after engine maintenance may result in engine damage / failure. This Service Instruction provides additional instructions that must be completed in their entirety. SI-915i-003 Purging of lubrication system for ROTAX® Engine Type 915 i (Series) R2 2021-07-02 813 Failure to properly purge the engine oil system after initial engine installation or after engine maintenance may result in engine damage / failure. This Service Instruction provides additional instructions that must be completed in their entirety. SI-912i-004 Purging of lubrication system for ROTAX® Engine Type 912 i (Series) R3 2021-07-02 813 Failure to properly purge the engine oil system after initial engine installation or after engine maintenance may result in engine damage / failure. This Service Instruction provides additional instructions that must be completed in their entirety. SI-PAC-010 Coolant radiator for ROTAX® Engine Type 915 i A (Series) R1 2021-06-01 288 This document contains essential information about the part no. 997086 coolant radiator. SI-PAC-022 Optional cooling system parts for ROTAX® Aircraft Engines 2021-06-01 2645 In the course of continuous development and standardization, optional cooling system parts have been introduced as an optional extra part. SI-11-1991 CANCELLED -Propeller Mass Moment of Inertia- CANCELLED 2021-05-28 488 (11 UL 91) Calculation and procedures for determining mass moment of inertia of a propeller. SI-912-034 Propeller mass moment of inertia for ROTAX® Engines 2021-05-28 378 (SI-11-1991) Propeller mass moment of inertia for ROTAX® Engines SI-915i-011 Propeller mass moment of inertia for ROTAX® Engines 2021-05-28 378 (SI-11-1991) Propeller mass moment of inertia for ROTAX® Engines SI-912i-027 Propeller mass moment of inertia for ROTAX® Engines 2021-05-28 378 (SI-11-1991) Propeller mass moment of inertia for ROTAX® Engines SI-914-037 Propeller mass moment of inertia for ROTAX® Engines 2021-05-28 387 (SI-11-1991) Propeller mass moment of inertia for ROTAX® Engines SI-2ST-012 Propeller mass moment of inertia for ROTAX® Engines 2021-05-28 387 (SI-11-1991) Propeller mass moment of inertia for ROTAX® Engines SI-912i-008 Introduction of new oil radiator/-sets on ROTAX® Engine Type 912 i, 912 and 914 (Series) R1 2021-04-21 346 In the course of continuous development and standardization new oil radiators have been introduced. SI-912-024 Introduction of new oil radiator/-sets on ROTAX® Engine Type 912 i, 912 and 914 (Series) R1 2021-04-21 346 In the course of continuous development and standardization new oil radiators have been introduced. SI-914-025 Introduction of new oil radiator/-sets on ROTAX® Engine Type 912 i, 912 and 914 (Series) R1 2021-04-21 346 In the course of continuous development and standardization new oil radiators have been introduced. SI-915i-007 Intro of a new turbocharger assy. w/ new ECU software & exhaust requirements for ROTAX® 915A R2 2021-04-05 1795 In the course of further development and standardization, a new turbocharger assy. has been introduced. SI-PAC-021 (Special) Service tools for ROTAX® Aircraft Engines 2020-12-22 123 In the course of product maintenance and expansion of our spare parts and special tools program, optional special tools are available SI-912-031 Change of the gearbox configuration for ROTAX® Engine Type 912 i, 912 and 914 (Series) R1 2020-12-04 100 To clarify and offer guidance on the proper documentation, and marking, to be used when modifying the propeller gearbox. SI-914-032 Change of the gearbox configuration for ROTAX® Engine Type 912 i, 912 and 914 (Series) R1 2020-12-04 100 To clarify and offer guidance on the proper documentation, and marking, to be used when modifying the propeller gearbox. SI-912i-023 Change of the gearbox configuration for ROTAX® Engine Type 912 i, 912 and 914 (Series) R1 2020-12-04 100 To clarify and offer guidance on the proper documentation, and marking, to be used when modifying the propeller gearbox. SI-915i-009 Change of the gearbox configuration for ROTAX® Aircraft Engine Types 915 i A,912 i,912 and 914 (Se 2020-12-04 100 To clarify and offer guidance on the proper documentation, and marking, to be used when modifying the propeller gearbox SI-PAC-018 Oil tank assy. BIG for ROTAX® Aircraft Engines 2020-11-18 163 In the course of product maintenance and expansion of our spare parts program, oil tank assy. with large capacity (BIG) is available. SI-PAC-015 24 Volt electric starter assy. for ROTAX® Aircraft Engines 2020-11-18 593 In the course of product maintenance and expansion of our spare parts program, a 24 Volt electric starter assy. is available SI-PAC-017 Electric starter relay assy. for ROTAX® Aircraft Engines 2020-10-14 102 In the course of product maintenance and expansion of our spare parts program, an electric starter relay assy. is available. SI-PAC-014 Oil radiator/-sets for ROTAX® Aircraft Engines (rev.1) 2020-07-07 345 In the course of continuous development and standardization, a oil radiator/-sets has been introduced as an optional extra part. SI-PAC-013 Optional oil system parts for ROTAX® Aircraft Engines 2020-07-07 136 In the course of continuous development and standardization, optional oil system parts have been introduced as an optional extra part SI-PAC-012 Connector set airframe side (HIC/X3) for ROTAX® Aircraft Engines 2020-03-13 370 In the course of product maintenance and expansion of our spare parts program, connector set airframe side is available SI-PAC-002 Governor flange cover and installation / use of governors for ROTAX® Aircraft Engines 2019-12-27 418 Info on Governor flange cover and installation / use of governors for ROTAX® Aircraft Engines SI-914-035 Introduction of a new fuel pump assy. for ROTAX® Engine Type 914 (Series) 2019-11-29 1140 In the course of continuous product support of parts and accessories, a new fuel pump assembly has been introduced for ROTAX® Engine Type 914 (Series). SI-PAC-011 Regulator connector brackets for ROTAX® Aircraft Engines 2019-11-18 297 In the course of continuous development and standardization, regulator connector brackets have been introduced as an optional extra part. SI-PAC-019 Optional heat sink sets for rectifier regulator / fuse box for ROTAX® Aircraft Engines 2019-11-18 367 Field experience has shown that in some aircraft installations and their relevant operating profiles, the temperature of the regulators can exceed the maximum limit due to these installation specifics. SI-PAC-020 Optional fuel pressure damper assy. for ROTAX® Aircraft Engines 2019-10-31 1049 An optional fuel pressure damper assy. is available which reduces fuel pressure fluctuations in certain installations. SI-PAC-004 Shock Mount Set for ROTAX® Aircraft Engines 2019-10-07 131 In the course of continued development and our commitment to product improvement, a shock mount set has been introduced. SI-PAC-008 Fuel pump service kit for ROTAX® Aircraft Engines 2019-10-07 437 Information release: available Fuel pump service kit for ROTAX® Aircraft Engines SI-PAC-007 Fuel filter for ROTAX® Aircraft Engines 2019-09-16 72 Information release: available Fuel filter for ROTAX® Aircraft Engines SI-PAC-009 Coolant overflow bottle for ROTAX® Aircraft Engines 2019-09-16 181 Information release: available coolant overflow bottle for ROTAX® Aircraft Engines SI-PAC-005 Intercoolers for ROTAX® Aircraft Engines 2019-07-03 598 In the course of continuous development and standardization, intercoolers (part no. 888963, 888965 and 888967) have been introduced as an optional extra part. SI-912i-024 Introduction of a new connector for regulator B for ROTAX® Engine Type 912 i, 915 i A and 915 i B 2019-07-03 544 In the course of further development and standardization, a new connector for rectifier regulator B has been introduced. The new connector allows higher current draw. SI-915i-006 Introduction of a new connector for regulator B for ROTAX® Engine Type 912 i, 915 i A and 915 i B ( 2019-07-03 544 In the course of further development and standardization, a new connector for rectifier regulator B has been introduced. The new connector allows higher current draw. SI-PAC-003 Introduction of an optional governor cable kit for ROTAX® Aircraft Engines 2019-05-29 91 This optional governor cable kit allows the convenient connection of an appropriate governor actuation cable to the intake manifold. SI-914-034 Ignition check for ROTAX® Engine Type 914 (Series) 2019-05-09 43 Field experience has shown that at the ignition check under certain conditions, influences such as temperature, humidity, fuel/air mixture ratio and propeller pitch may cause a higher rpm drop than specified. SI-PAC-001 External alternator for ROTAX® Engine Type 915 i (Series) 2019-02-08 2009 An external alternator set part no. 887259 is available which includes brackets for 915 i Series gearbox mounting. SI-912i-022 Introduction of wiring harness options with different lengths for ROTAX® Engine Type 912 i (Series) 2018-12-07 101 In the course of continuous development, optional wiring harness lengths have been introduced. SI-912-020 Running Modifications for Rotax Engine Type 912 and 914 (Series) R11 2018-11-20 6571 Running Modifications for Rotax Engine Type 912 and 914 (Series) Revision 11 SI-914-022 Running Modifications for Rotax Engine Type 912 and 914 (Series) R11 2018-11-20 6571 Running Modifications for Rotax Engine Type 912 and 914 (Series) Revision 11 SI-912-030 Oil Pressure Sensors for ROTAX® Engine Type 912 and 914 Series 2018-11-20 635 Information about several “Generations” of oil pressure sensors (including newest) SI-914-031 Oil Pressure Sensors for ROTAX® Engine Type 912 and 914 Series 2018-11-20 635 Information about several “Generations” of oil pressure sensors (including newest) SI-912i-020 Information on fuse box assy. modifications for ROTAX® Engine Type 912 i (Series) 2018-11-20 68 The new fuse box incorporates larger diameter grounding studs on the regulator B mounting plate... SI-912i-021 Information on regulator B modifications for ROTAX® Engine Type 912 i (Series) 2018-11-20 149 A new regulator B part no. 864395 has been introduced... SI-912i-019 Introduction of revised fuel pump assy. for ROTAX® Engine Type 912 i and 915 i (Series) 2018-10-18 137 (Info Only) With the introduction of the revised fuel pump assy. a new connector gasket is required. SI-915i-005 Introduction of revised fuel pump assy. for ROTAX® Engine Type 912 i and 915 i (Series) 2018-10-18 137 (Info Only) With the introduction of the revised fuel pump assy. a new connector gasket is required. SI-914-030 Introduction of sodium filled exhaust valves for ROTAX® Engine Type 914 (Series) 2018-03-05 57 Continuous product improvement: a new type of exhaust valve for the engine type 914 Series SI-2ST-010 Introduction of new spark plug, spark plug connector, cylinder head for ROTAX® Engine Type 582 (R1) 2017-11-01 336 A new spark plug (part no. 297656), a new spark plug connector (part no. 265249) and a new cylinder head (part no. 913848) have been introduced SI-912i-017 Introduction of an optional governor flange bushing assy. for ROTAX®912 i Series 2017-09-27 571 This optional governor flange bushing assy. allows the convenient connection of an appropriate governor actuation cable to the intake manifold SI-912i-015 Fuel pump service kit for ROTAX® Engine Type 912 i (Series) Rev.1 2017-07-21 374 To comply with 5 year rubber parts replacement requirements, ROTAX® has released a fuel pump service kit SI-912i-016 Introduction of a new regulator connector bracket assy. part no. 951983 for ROTAX® Engine Type 912 2017-06-09 121 In the course of continuous development and standardization, a new connector bracket assembly has been introduced as an optional extra. SI-912-029 Introduction of new floats (pair) for ROTAX® Engine Type 912 and 914 (Series) 2017-05-13 79 For Information Only: introduction of new part number carburetor float for 912/914 series engines SI-914-029 Introduction of new floats (pair) for ROTAX® Engine Type 912 and 914 (Series) 2017-05-13 79 For Information Only: introduction of new part number carburetor float for 912/914 series engines SI-912-028 Advanced Start System for ROTAX® Engine Type 912 Series 2017-04-17 369 Info on new delivery state of the engines in combination with the “easy start activation cable” SI-912i-014 Introduction of a new clamp part no. 638140 for ROTAX 912 i Series 2017-03-02 208 New clamp improves the tightness and fit of 912i (series) MAP sensors SI-912-027 Introduction of new spark plug part no. 297656 and spark plug connector part no. 265249 2017-03-01 166 New Standardized spark plug and plug connector (boot) for all 912, 914, and 912iS engines... SI-914-028 Introduction of new spark plug part no. 297656 and spark plug connector part no. 265249 2017-03-01 166 New Standardized spark plug and plug connector (boot) for all 912, 914, and 912iS engines... SI-912i-013 Introduction of new spark plug part no. 297656 and spark plug connector part no. 265249 2017-03-01 166 New Standardized spark plug and plug connector (boot) for all 912, 914, and 912iS engines... SI-912i-011 Maintenance information on plug screw M22x1.5 part no. 940520 for ROTAX 912 i Series 2017-02-21 71 Maintenance information on crankshaft plug screw for ROTAX 912 i Series SI-912-026 Important notes for installing the ball bearing into the gearbox of ROTAX® 912 i, 912 and 914 2017-02-21 140 Clarifies the proper orientation of the gearbox ball bearing when installing it into the gearbox SI-914-027 Important notes for installing the ball bearing into the gearbox of ROTAX® 912 i, 912 and 914 2017-02-21 140 Clarifies the proper orientation of the gearbox ball bearing when installing it into the gearbox SI-912i-012 Important notes for installing the ball bearing into the gearbox of ROTAX® 912 i, 912 and 914 2017-02-21 140 Clarifies the proper orientation of the gearbox ball bearing when installing it into the gearbox SI-912-025 Change of tightening torque procedure for the installation of cylinder heads for 912 / 914 / 912i 2016-12-30 295 This new tightening torque procedure results in a more consistent and more durable seal between the cylinder heads and cylinders. SI-914-026 Change of tightening torque procedure for the installation of cylinder heads for 912 / 914 / 912i 2016-12-30 295 This new tightening torque procedure results in a more consistent and more durable seal between the cylinder heads and cylinders. SI-912i-010 Change of tightening torque procedure for the installation of cylinder heads for 912 / 914 / 912i 2016-12-30 295 This new tightening torque procedure results in a more consistent and more durable seal between the cylinder heads and cylinders. SI-912-023 Introduction of a radiator retrofit kit 881535 for the new radiator 997083 on 912/914/912i 2015-11-04 120 A new retrofit kit allows for the rectangular mounting of radiator 997083 SI-914-024 Introduction of a radiator retrofit kit 881535 for the new radiator 997083 on 912/914/912i 2015-11-04 120 A new retrofit kit allows for the rectangular mounting of radiator 997083 SI-912i-007 Introduction of a radiator retrofit kit 881535 for the new radiator 997083 on 912/914/912i 2015-11-04 120 A new retrofit kit allows for the rectangular mounting of radiator 997083 SI-912-019 Oil Leakages in the area of the Cylinder Barrel for ROTAX motor type 912, 914, 912i R3 2014-06-13 360 Installation of special oil seal Gasket or O-Ring to remedy oil leaks (which may occur in isolated cases) SI-912I-006 Oil Leakages Near Cylinder Barrel For Rotax 912i, 912 & 914 Series Engines 2014-06-13 360 Due to deviations during the assembly process, some isolated cases of slight oil leakage in the area of the cylinder barrel have been noted. For repair purposes an additional special gasket has been developed to seal this area. SI-914-021 Oil Leakages Near Cylinder Barrel For Rotax 912 & 914 Series Engines - R3 2014-06-13 360 Due to deviations during the assembly process, some isolated cases of slight oil leakage in the area of the cylinder barrel have been noted. For repair purposes an additional special gasket has been developed to seal this area. Rev. 2 SI-912i-003 B.U.D.S. Aircraft Update for Rotax Engine Type 912i Series. Revision4 CANCELLED! 2014-06-13 45 B.U.D.S. (BRP Utility and Diagnostic Software) This Document has been superceded... SI-912-022 Cancellation of the 5-years change interval for fuel hoses (Teflon hoses) for Rotax 912 Series 2014-01-20 176 Continuous development confirms that Teflon fuel hoses do not require early replacement before TBO SL-912-013-R5 Introduction Of A New Airbox For Rotax Engine Type 914 (Series) 2013-07-01 703 Information regarding the introduction of a new modified air box for the Rotax 914 series engines. The new air box was developed as a result of ongoing product improvment and development. SI-912-010 Oil Change On Rotax Engine Type 912 & 914 & 912iS (Series) Rev. 4 2010-10-02 68 Field experience indicates that oil change procedures found in the current Operators & Maintenance Manuals are not being followed. Service Instruction reiterates oil change procedures and provides additional helpful information.Revision 3 SI-914-011 Oil Change On Rotax Engine Type 912 & 914 & 912iS (Series) Rev. 4 2010-10-02 68 Field experience indicates that oil change procedures found in the current Operators & Maintenance Manuals are not being followed. Service Instruction reiterates oil change procedures and provides additional helpful information.Revision 3 SI-912i-005 Oil Change On Rotax Engine Type 912 & 914 & 912iS (Series) 2010-10-02 68 Field experience indicates that oil change procedures found in the current Operators & Maintenance Manuals are not being followed. Service Instruction reiterates oil change procedures and provides additional helpful information.Revision 3 SI-2ST-009 Inspection of Carburetors for Rotax 912 and 914 (series) and 2-stroke UL engines 2009-11-01 127 Additional detailed definition for inspection of carburetor chamber and floats regarding contamination and anomalies SI-912-021 Inspection of Carburetors for Rotax 912 and 914 (series) and 2-stroke UL engines 2009-11-01 127 Additional detailed definition for inspection of carburetor chamber and floats regarding contamination and anomalies SI-914-023 Inspection of Carburetors for Rotax 912 and 914 (series) and 2-stroke UL engines 2009-09-01 127 Additional detailed definition for inspection of carburetor chamber and floats regarding contamination and anomalies SI-13-1996 Installation Instructions For Rev-Counter Part No. 966403 And 966408 Rev. 2 2009-06-01 59 (13 UL 96) Installation instructions for rev-counter (tachometer) part no. 966403 and 996408. Revision 1. SI-2ST-008 Selection of Suitable Operating Fluids for Rotax 2 Stroke UL Engines 2009-04-01 146 The Service Informaton provide additional information to help owners and operators select suitable operating fluids (oils, coolants, and fuels) for Rotax 2 Stroke Aircraft engines. SI-912-003 Oil Line Connections With UNF Threads Rev.2 2009-03-01 258 UNF type connections for the lubrication system of 912 / 914 series engines are now available. UNF connectors will allow the use of standard aircraft approved AEROQUIP or STRATOFLEX oil lines. Rev. 2 SI-914-005 Oil Line Connections With UNF Threads Rev.2 2009-03-01 258 UNF connections for the lubrication system of 912 / 914 series engines are now available. UNF type fittings allow the use of standard aircraft approved AEROQUIP or STRATOFLEX oil lines. Rev. 2 SI-912-006 Replacement of the Circlip in the Sprag Clutch Housing, Rotax Type 912 / 914 -R1 2009-02-01 89 A new circlip for the 912 / 914 sprag clutch housing has been introduced. This new circlip is slightly larger with a smaller end gap. The new circlip should be used when repairing the sprag clutch or when the engine is overhauled. Rev 1 SI-914-008 Replacement of the Circlip in the Sprag Clutch Housing, Rotax Type 912 / 914 -R1 2009-02-01 89 A new circlip for the 912 / 914 sprag clutch housing has been introduced. This new circlip is slightly larger with a smaller end gap. The new circlip should be used when repairing the sprag clutch or when the engine is overhauled. Rev. 1 SI-2ST-007R2 Amendment on Reduction Gearbox Types C and E for ROTAX 2-stroke aircraft engines REVISION 2 2008-05-20 150 Amendment on Reduction Gearbox Types C and E for ROTAX 2-stroke aircraft engines REVISION 2 SI-914-003 Checking And Lubrication Of The Wastegate - Revision 1 2008-04-01 153 Under certain conditions, when operating using leaded fuels (AVGAS), lead deposits may form on the turbo wastegate pivot shaft. These lead deposits may cause the wastegate to stick and prevent proper turbocharger operation. - Revision 1 SI-2ST-006 Airfilter For Rotax 912 (Series) and 2 Stroke UL Aircraft Engines 2006-12-01 299 Instructions and directives covering the correct installation of the airfilters on Rotax 912 (Series) Engines and Rotax 2-stroke UL engines SI-912-017 Airfilter For Rotax 912 (Series) and 2 Stroke UL Aircraft Engines 2006-12-01 299 Instructions and directives covering the correct installation of the airfilters on Rotax 912 (Series) Engines and Rotax 2-stroke UL engines SI-2ST-004 Running Modifications On Rotax 2-Stroke UL Aircraft Engines - R1 2006-07-01 197 This service document details several production refinements introduced to the engine models listed. Revision 1. SI-06-1997 Friction Torque Check of ROTAX Engine 912/914 (series) c/w Slipper Clutch Rev. 1 2005-02-01 43 (6 UL 97) Regular inspection and checks plus proper maintenance are vital to the correct operation of the gear reduction unit with slipper clutch installed. Owners, operators & maintenance personnel should ensure appropriate friction torque checks are carried out. SI-18-1997 Selection of Motor Oil & General Operating Tips for ROTAX 912 & 914 - Revison 5 2004-09-01 28 This document covers the selection of suitable motor oil and general operating tips for improved operation of Rotax 912 & 914 series engines. Service Information SI-18-1997 R4 replaces SI-18- 97 R3 and supersedes SI 4 UL 96. SI-912-014 Optimizing Of Piston Ring Position For Rotax Engine Type 912 & 914 2004-06-01 101 Sets out the correct positioning of the piston ring end gaps when installing pistons during the course of repair, maintenance or engine overhaul. SI-912-015 Increase Of Disk Spring Pre-tension In The Gearbox On 912 & 914 Engines 2004-06-01 25 As a result of field experience, the disk spring pre-tension has been increased. Disk spring pre-tension should be adjusted next gearbox maintenance or repair. SI-914-017 Optimizing Of Piston Ring Position For Rotax Engine Type 912 & 914 2004-06-01 101 Sets out the correct positioning of the piston ring end gaps when installing pistons during the course of repair, maintenance or engine overhaul. SI-914-018 Increase Of Disk Spring Pre-tension In The Gearbox On 912 & 914 Engines 2004-06-01 25 As a result of field experience, the disk spring pre-tension has been increased. Disk spring pre-tension should be adjusted at next gearbox maintenance or repair. SI-912-013 Standardization Of The Ignition Unit For Rotax Engine Type 912 And 914 (Series) 2004-04-01 751 As part of a commitment to ongoing product development, Rotax is standardizing the ignition units across the entire 912 / 914 engine series. SI-914-016 Standardization Of The Ignition Unit For Rotax Engine Type 912 And 914 (Series) 2004-04-01 751 As part of a commitment to ongoing product development, Rotax is standardizing the ignition units across the entire 912 / 914 engine series. SI-912-012 Routine Modifications Of Bing CD Carburetor For 912 & 914 Series Engines Rev 1. 2004-03-01 265 As part of the Rotax ongoing commitment to product improvement and standardization, a new carburetor generation "Model 2003" has been introduced. Revsion 1. SI-914-014 Routine Modifications Of Bing CD Carburetor For 912 & 914 Series Engines Rev 1. 2004-03-01 265 As part of the Rotax ongoing commitment to product improvement and standardization, a new carburetor generation "Model 20003" has been introduced. Revsion 1. SI-03-1998 Engine Start At Low Temperatures For Rotax 912 And 914 Series Rev.1 2004-02-01 195 (3 UL 98) Field reports have shown that more information and instructions about cold starts in low temperature are necessary. Revision 1. SI-09-1994 Installation Instruction of UL Reduction Gear Box Type "C" and "CL" - Rev. 2 2004-01-01 419 (9 UL 94 R1) Instructions for installing type "C" and type "CL" UL reduction gear boxes on Rotax engines. Revision 2. SI-10-1994 Installation of UL Reduction Gear Box Type "E" and "EL" - Rev. 2 2004-01-01 1179 (10 UL 94) Installation instructions of type "E" and "EL" reduction gear boxes on UL engines. Revision 2. SI-12-1994 Installation Instruction of UL Reduction Gearbox Type "B" - Rev. 2 2004-01-01 109 (12 UL 94) This document covers installation instructions for Rotax type "B" gear boxes. Revision 2. SI-914-015 Introduction Of A New Airbox For Rotax Engine Type 914 (Series) 2003-12-01 478 As part of ongoing product improvement, a new modified 914 airbox design has been introduced. Use of this new airbox is OPTIONAL for Rotax 914 series engines. SI-27-1997 Oil Level Check For Rotax Engine Type 912 & 914 (Series) - Revision 1 2003-04-01 37 (27 UL 97) This document states the proper procedures to check the oil level on Rotax type 912 and 914 engines that are also covered in the Operator's & Maintenance Manuals. Revision 1 SI-914-013 Introduction Of A New Airbox For Rotax Engine Type 914 (Series) 2003-04-01 703 Information regarding the introduction of a new modified air box for the Rotax 914 series engines. The new air box was developed as a result of ongoing product improvment and development. SI-912-011 Replacement of gasket rings on adaptor of the oil radiator for 912 / 914 engines 2003-03-01 195 To assure adequate sealing and prevent oil leaks, a thicker gasket ring (part # 230387) has been introduced. This new gasket better compensates for dimension abnormalities on the radiator adaptor. SI-914-012 Replacement of gasket rings on adaptor of the oil radiator for 912 / 914 engines 2003-03-01 195 To assure adequate sealing and prevent oil leaks, a thicker gasket ring (part # 230387) has been introduced. This new gasket better compensates for dimension abnormalities on the radiator adaptor. SI-04-1997 Rotax Engine Type 912 / 914 (series) - Venting of lubrication system Rev. 3 2002-09-01 208 Important information and instructions regarding the purging of air from the dry sump lubrication system before initial engine operation, and after each engine oil change. Revision 3 SI-912-008 Fuel Pressure Indication Problems On Rotax Engine Type 912 (Series) (Revison 1) 2002-02-01 167 Reduced tolerances between banjo bolts at the clamp block could result in intermittent or complete failure of a customer installed fuel pressure indication system. Fuel supply to the engine is not affected in any way. (Revision 1 issued Feb. 2002) SI-2ST-005 Modified Rotary Valve Cover For Rotax Engine Type 582 UL 2001-12-01 45 When the 582 engine is installed inverted (spark plugs down) and the oil injection pump is used, fuel may collect in the rotary valve cover. A drain hole must be drilled in the rotary valve cover or the cover replaced. SI-912-009 Introduction Of A New Rocker Arm Bushing For Rotax Engine Type 912/914 (Series) 2001-10-01 455 As part of Rotax's ongoing product development, the rocker arm bearings for 912 and 914 engines are being changed from sintered bronze to a synthetic bushing. SI-914-010 Introduction Of A New Rocker Arm Bushing For Rotax Engine Type 912/914 (Series) 2001-10-01 455 As part of Rotax's ongoing product development, the rocker arm bearings for 912 and 914 engines are being changed from sintered bronze to a synthetic bushing. SI-2ST-003 Check Of The Fuel Pressure Gauge Kit Part # 874 230 2001-08-01 43 In isolated cases, the inner lining was not correctly bonded with the fuel hose on the Rotax fuel pressure gauge kit part no. 874 230. The fuel hose should be checked for obstructions and replaced as necessary. SI-912-007 Check Of The Fuel Pressure Gauge Kit Part # 874 230 2001-08-01 43 In isolated cases, the inner lining was not correctly bonded with the fuel hose on the Rotax fuel pressure gauge kit part no. 874 230. The fuel hose should be checked for obstructions and replaced as necessary. SI-914-009 Check Of The Fuel Pressure Gauge Kit Part # 874 230 2001-08-01 43 In isolated cases, the inner lining was not correctly bonded with the fuel hose on the Rotax fuel pressure gauge kit part no. 874 230. The fuel hose should be checked for obstructions and replaced as necessary. SI-06-1998 Amendment on Reduction Gearbox Type "C" and "E" for Rotax 2-Stroke UL Engines 2001-07-01 87 This document covers gluing of the cone sleeve which reduces the tightening torque of the hex nut and introduces an installation sleeve, p/n 877 810, to facilitate the fitting of the cone sleeve. Rev. 1 introduces a new gear puller & removal procedure. SI-2ST-002 Change of the exhaust gasket on Rotax engine type 582UL model 90/99 and 618UL 2000-05-01 75 New improved exhaust gaskets have been introduced for Rotax engine type 582UL(models 90/99) and 618UL. These new gaskets are constructed with an improved material. SI-912-005 Lubrication system for all Rotax engine type 912 and 914 (series) 2000-02-01 252 Reports of engine damage due to the improper installation of the 912 engine lubrication system have been increasing. All instructions regarding the installation and operation of the 912 engine lubrication system must be observed. SI-914-007 Lubrication system for all Rotax engine type 912 and 914 (series) 2000-02-01 252 Reports of engine damage due to the improper installation of the 914 engine lubrication system have been increasing. All instructions regarding the installation and operation of the 914 engine lubrication system must be observed. SI-05-1999 Turbocharge control unit (TCU) with software level "D" for Rotax 914 UL engines 1999-10-01 139 (05-UL-99 D/E) Exchange of the Turbocharge Control Unit (TCU) for TCU with upgraded software that conforms to RTCA DO 178 B 1 KUL 96 R1 582 / 618 cross shaft seal leakage 1999-09-01 15 Possible contamination of the rotary valve shaft oil by engine coolant and/or excessive rotary valve oil consumption caused by leakage past the cross shaft seals. SI-03-1996-R1 582/618 UL Rotary Valve Shaft Seal Leakage 1999-09-01 15 (3 UL 96) This document pertains to the inspection before every flight of the Rotary valve oil for contamination due to leakage across the RV shaft seals.l SI-912-004 Modified Carburetor Flange for Rotax Engine Types 912 and 914 - Cancelled! 1999-08-01 12 Introduction of modified carburetor flange with optimized shape for Rotax 912 / 914 series engines. SI-914-006 Modified Carburetor Flange for Rotax Engine Types 912 and 914 Cancelled! 1999-08-01 12 Introduction of modified carburetor flange with optimized shape for Rotax 912 / 914 series engines. SI-912-002 Verification of Lubrication System and Replacement of Oil Pressure Spring 1999-06-01 57 In isolated cases, irregularities in the lubrication system have caused excess wear on the oil pressure spring on 912 / 914 series engines. Check of lubrication system and replacement of oil pressure spring may be required. SI-914-004 Verification of Lubrication System and Replacement of Oil Pressure Spring 1999-06-01 57 In isolated cases, irregularities in the lubrication system have caused excess wear on the oil pressure spring. Verification of proper operation of the lubrication system and replacment of the oil pressure spring may be required. SI-2ST-001 Installation instructions for the new design piston for 582UL 1999-04-01 43 Installation instructions for 582 & 618 pistons with new monohook circlips. SI-912-001 Installation of rotary water pump seal / pump impeller 1999-04-01 113 Important instructions for installation of the rotary seal on the water pump of all versions of the Rotax types 912 / 914 engine. SI-914-001 Installation of rotary water pump seal / pump impeller 1999-04-01 113 Important instructions for installation of the rotary seal on the water pump of all versions of the Rotax type 912 & type 914 engines. SI-914-002 Optimizing of mixture distribution 1999-04-01 18 Changes to carburetor jetting for better mixture distribution on 914 UL & 914 F engines SI-03-1999 Standardization of the Crankcase for Rotax Engine 912 and 914 1999-02-01 93 (3 UL 99) Due to continuing product improvement and standardization, the crankcase (part # 888 364) currently employed on the 912 ULS & 912 S engines will now be the standard crankcase on ALL 912 and 914 series engines SI-07-1995 New Airfilter with Securing Tab 1999-02-01 60 (7 UL 95 R1) This document introduces a new generation air cleaner that incorporates a securing tab in its design to facilitate safety wiring the filter to the carburetor. SI-08-1998 ROTAX Engine Series Type 914 UL, Verification of the Wiring Harness 1999-02-01 143 (8 UL 98 R1) To verify that the plug connection for servo motor and the central plug receptacle have sufficient crimping. SI-08-1999 Documentation For Rotax 447-503-582-582 Mod. 99 - Cancelled 1999-02-01 20 Standardization of engine documentation SI-03-1997 Coolant (antifreeze ) mixtures - ROTAX engine 912/914 series R1. 1999-01-01 35 (3 UL 97 R1) CANCELED! - superceded by relevant Operator's Manual, latest edition. SI-06-1999 Rotax Engine Type 912 ULS / S, Oil Consumption 1999-01-01 12 (6 UL 99) Due to the larger engine displacement the oil consumption of the engine type 912 ULS and 912 S may be greater than the oil consumption of engine types 912 UL, A, F. Also see 18 UL 97 & 27 UL 97 SI-21-1997 Introduction of the Mono - hook Circlips on the ROTAX 912 and 914 Engines 1998-11-01 73 (21 UL 97) This document introduces mono--hook circlip, p/n 845 106, along with installation instructions for the new circlip. SI-07-1998 ROTAX 503 DCDI (All Versions) "B" Type Gearbox Installation 1998-10-01 34 (7 UL 98) In the course of standardization, the location of the front crankcase fasteners has been changed. The change necessitates the replacement of 2 crankcase allen head screws. SI-15-1997 Spark Plugs for ROTAX engines 912/914 (series) 1998-10-01 19 (15 UL 97 R2) This document specifies the correct spark plugs to use for each Rotax 912 and 914 series engine. The addition of an application of silicone heat conduction compound is necessary as it improves heat transfer betweeen spark plug and cylinder head. SI-26-1997 Supplementing the Maint. Manual for Prop. Gearbox without Overload Clutch 1998-09-01 45 (26 UL 97) This is a supplement to the 912 & 914 Maintenance Manuals covering the maintenance of the propeller gearbox without overload clutch. The current Maintenance Manual covers only the gearbox with overload clutch. SI-05-1998 Acceptable Cracks in the Turbine Housing of the Turbo Charger for Engine 914 1998-07-01 140 (5 UL 98) This document deals with the procedure for inspection of the turbine housing for acceptable cracks. SI-02-1998 ROTAX 914 Engine , Replacement/Check of Turbo Oil Pressure Line and Pipe Clamps 1998-06-01 143 (2 UL 98) This document covers the checking and replacement of the turbo oil pressure line and pipe clamps. SI-04-1998 ROTAX Engine Type 914 F Series, Check/Replacement of the Wastegate Servo Cable 1998-06-01 162 (4 UL 98 R1) This document covers the checking and replacement of the turbocharger wastegate servo cable SI-09-1996 Exchange of oil pump housing 1998-03-01 419 (9 UL 96) This document covers the exchange of 810 803 oil pump housing with 810 805 housing having an enlarged oil feed duct. SI-14-1997 Introduction of single spring valve arrangements for ROTAX 912/914 (series) 1998-03-01 157 (14 UL 97 R1) This document deals with the introduction of single valve springs as a result of development and production standarization. As a result of the new springs, valve spring retainers and valve spring supports have been redesigned. 5 KUL 97 Mandatory Inspection Requirement for Stress Cracks in Fuel Pump Fittings on 912 1998-01-01 99 This document advises the immediate inspection of fuel pumps designed for use with stainless steel fuel lines for stress cracks in the outlet fittings which will result in fuel spillage. The document also covers correct installation instructions. SI-01-1998 Fuel Pump p/n 996 592 (with screw fittings) for engine type 912 F, 912A and 912 1998-01-01 505 (1 UL 98 R1) This document advises the immediate inspection of 996 592 fuel pumps to check for possible stress cracking of the outlet fitttings. This pump is installed on all type 912 F engines & 912A & 912UL engines converted for the use with stainless steel lines. SI-11-1996 Engine Preservation 1998-01-01 453 (11 UL 96) This document covers instructions for the preservation of 2-stroke engines for out of service periods of storage. SI-11-1997 Adjustment or Verification of the Wastegate Position on 914 (series) 1997-12-01 28 (11 UL 97) The service information document pertains to the installation, adjustment and checking of the Bowden cable for watergate control. SI-13-1997 Introduction of modified wastegate ROTAX engines 914 (series) 1997-12-01 145 (13 UL 97) This document introduces a turbo charger with modified wastegate, p/n 887 125, into serial production and contains instructions for exchange or repair of the turbo charger. flashing during full throttle application. SI-16-1997 Modified oil pressure sensor ROTAX engine 912/914 (series) 1997-12-01 87 (16 UL 97 R1) This document introduces a modified oil pressure sensor, p/n 956 357, with additional brass damper ring. SI-19-1997 ROTAX 618 UL - Version with Intake Silencer 1997-12-01 354 (19 UL 97) This document pertains to the recalibration of jetting on Rotax 618 UL engines and contains a list of jets used on MAG & PTO carburetors on 618 engines with and without intake silencers. SI-17-1997 Resistance type spark plugs for ROTAX 2-stroke engines 1997-11-01 149 (17 UL 97) This document introduces resistance spark plugs, p/n 897 055, in serial production which represents a considerable improvement regarding radio interference suppression. SI-20-1997 New Flydat Configuration for ROTAX UL and Aircraft Engines 1997-11-01 29 (20 UL 97) This document advises that with the introduction of type 914 engines, the warning and alarm limits of Flydat instrument have been optimized and adapted. Refer to Flydat owner's manual edition: 0 of 1997.10.01. SI-22-1997 Pressure Oil Line for Hydraulic Governor on Engine 912/914 1997-11-01 26 (22 UL 97) This service information document pertains to the stress-free installation of the pressure oil line for the hydraulic governor. 4 KUL 97 Installation of 912 / 914 Rotary Water Pump Seal 1997-08-01 40 This document describes the principals of operation of the rotary seal, Rotax p/n 850 940, and the careful handling required in its installation. SI-07-1997 Calibration of the Mixture enrichment Jet of ROTAX 914 (series) 1997-08-01 68 (7 UL 97) This document lists the procedures to verify the proper positioning of the mixture enrichment jet in the air intake box. Incorrect positioning could result in a too lean mixture at take-off performance. SI-09-1997 Exchange of Piston Pins Rotax 503 UL 1997-07-01 50 (9 UL 97) All 503 series engines in a specified serial number range must have the piston pins changed prior to next flight. Piston pins in this s/n range may be made of a different material grade that could lead to premature wear of the piston pin bearing. SI-12-1997 Checking of banjo bolt ROTAX engines 914 (series) 1997-07-01 239 (12 UL 97) Check before next flight all 914 series engines to ensure the banjo bolt does not have a built-in orifice. If banjo bolt has a built-in orifice, exchange the bolt in accordance with instructions contained in the service information document. 3 KUL 97 R1 Friction Torque Check for ROTAX 912 Engines with Slipper Clutch Installed 1997-05-01 62 Regular inspections & checks plus proper maintenance are vital to the correct operation of the gear reduction unit with slipper clutch installed. Owners, operators and maintenance personnel should insure appropriate friction torque checks are carried out SI-10-1996 Piston Pin Circlip 1997-05-01 47 (10 UL 96) Instructions to properly install piston pin circlips with the circlip installation tool. SI-05-1997 Exhaust flange of ROTAX engines912/914 (series) 1997-04-01 105 (5 UL 97 R1) This document advises to check the torque value of exhaust flange nuts, p/n 942 035, prior to next flight. The maximum of 180 in-lbs (20 Nm) listed in the parts & maintenance manuals must not be exceeded. 2 KUL 97 Coolant (Antifreeze) Mixtures - ROTAX 912 / 914 Series Engines 1997-03-01 12 This document pertains to the selection of antifreeze and mixture of coolant solution for all Rotax 912 & 914 series engines. SI-05-1996 Cracks in the carburater socket, ROTAX 503 UL and 447 UL 1997-03-01 53 (5 UL 96) An information document advising the inspection of carburetor socket, 867 484, for possible damage before the next flight and afterwards at each 50 hour carb examination. SI-06-1996 Modification of Reduction Gearbox "C" and "E" 1997-03-01 366 (6 UL 96) 9An information document introducing a new massive washer & retaining washer on type C & E Rotax gearboxes with production code "YE" or lower (production date 96.08.29). SI-08-1996 Oversize Pistons for 618 UL 1997-03-01 54 (8 UL 96) This information document advises that care must be taken to insure adequate clearance between piston and the RAVE valve plate. The use of the 2nd oversized piston, p/n 887 082, in combination with stock RAVE valve plate is not permissible. RAVE Valves SI-02-1997 Camshaft check on 912 UL 1997-02-01 241 (2 UL 97) This document pertains to the checking of the camshaft hardness on type 912 (series) engines in a certian serial no. range. The hardness must be checked a) before next flight, and b) at each 100 hour inspection until 600 hrs of operation. SI-12-1996 Oil Filter for 912 (series) and 914 (series) 1996-12-01 42 (12 UL 96) This document covers the inspection and exchange of oil filter, KNECHT OC 11. In certain conditions, certain oil filters may malfunction due to the design of the internal spring. SI-20-1994 Oil System for All ROTAX 912 1996-10-01 33 (20 UL 94 R3) An information document pertaining to the proper installation of the oil suction & return lines and oil tank, use of an adequate oil cooler, & other lubrication system recommendations. 2 KUL 96 Use of 100LL in ROTAX 912 Series Engines 1996-09-01 9 This document recommends those using 912 series engines to change from the combination of AVGAS 100 LL with full synthetic oil to a good mineral base oil and to change the oil and oil filter after the first 25 hours use of mineral base oil. 3 KUL 96 Retorque of Cylinder Head on ROTAX 912 Series Engines 1996-09-01 9 Random field reports have indicated that leakage has been experienced between the cylinder head and cylinder mating surfaces on some Rotax series engines. SI-07-1996 Replacement of Rocker Arms 1996-08-01 430 (7 UL 96) This document deals this the inspection and replacement of the rocker arms due to isolated traces of seizure. SI-05-1995 External Alternator for Engine Series Type 912 UL, Mod. 94 - Revision 2 1996-07-01 704 (5 UL 95 R2) This document contains installation instructions to mount a Rotax 40A, 12V DC auxilliary external alternator on Type 912UL, model 94. SI-06-1995 External Alternator for Engines Series Type 912 UL, Mod. 89 and 91- Rev. 2 1996-07-01 820 (6 UL 95 R2) This document contains installation instructions to mount a Rotax 40A, 12V DC auxilliary external alternator on Type 912 UL, model 89 and model 91. SI-02-1996 Rectifier Regulator, ROTAX series 912 1996-02-01 181 (2 UL 96) This document is advice that certain rectifier-regulator connector housings were incorrectly marked and should be checked to ensure that the markings on the housing match the markings on the rectifier. Affects engines delivered from Jul '95 to Feb 12, 96. SI-04-1996 Motor Oil for ROTAX 912 Series 1996-02-01 162 (4 UL 96) Recommendation of the oil type to be used in all type 912 engines. A selection of motor oils is listed in Service Information 18 UL 97. SI-08-1995 Fitting a Carburetor Support, ROTAX 912 Series 1995-12-01 295 (8 UL 95 R1) This is an information document listing the spare parts and instructions to install carburetor supports on Rotax 912UL engines. SI-15-1994 Installation Instruction of ROTAX Rev-Counter for Ducati Ignition Unit 1995-11-01 441 (15 UL 94) For those using Rotax 2-stroke engines equipped with Ducati CDI, there is an electronic tachometer available, p/n 966 404. The document covers installation instructions. 3 KUL 95 Clarification of 1UL95 Rev. 1 1995-10-01 156 This document is a clarification of service information 1 UL 95 R1 regarding improvement of ignition and shorting cable shielding as well as new style electronic module with integrated screening for improved E.M.I. protection. 4 KUL 95 Correct Installation of a Liquid Cooling System on a ROTAX Engine 1995-10-01 187 The use of non-Rotax cooling systems, which were never intended for use in aircraft, can lead to operational troubles and/or running failures due to their lack of design & engineering to a safe and adequate standard. 2 KUL 95 Standardisation of Bing Carburettor Type 54 1995-09-01 102 This document covers the standardization of the choke actuation on Bing type 54 carburetors. In the near future, carbs with hand choke levers will be discontinued and replaced by bowden cable type. SI-02-1995 Contamination of carburettors, ROTAX - series 912 1995-08-01 572 (2 UL 95) This document pertains to the subject of possible contamination of carburetors from dirt, remains of rubber from fuel lines & Loctite, resin-like substance, sediment, etc which could possibly cause a partial or complete blockage of the idle or main jet . SI-04-1995 Floats with a New Shape - Engine Series 912 1995-05-01 183 (4 UL 95) To optimize free movement, the shape of the carburetor float was changed. SI-01-1995 Ground connection for pick-up wiring, ROTAX engines series type 912 UL - Rev. 1 1995-04-01 194 (1 UL 95 R1) An instruction document to optimize the grounding by attaching a new grounding cable and clamp. 1 KUL 95 Configuration Changes to ROTAX 912 Version UL and A 1995-03-01 65 This document pertains to the introduction of a new oil tank with increased capacity as well as other changes to the engine. 4 KUL 94 R1 Standardisation of Propeller Shafts/Bolt Pattern on ROTAX 912 1995-03-01 491 This is an information only document pertaining to the standardization of the propeller shaft on production engines as of Sept. 1994. Two types of collar nuts are available with the new propeller shafts. SI-03-1995 Cracks in the Carburettor Flange, Engine Series Type 912 - Cancelled 1995-02-01 21 (3 UL 95) An information document advising users to examine the carburetor flange inside and outside for cracks which could lead to loss of performance or engine failure. 6 KUL 94 Standardisation of Bing Carburettor Type 54 for ROTAX 2-stroke Aircraft Engines 1994-12-01 10 Information only document on standardization of type 54 Bing carburetors used on Rotax 2-stroke engines. 7 KUL 94 912/914 Oil Pressure Guage and Sending Units 1994-12-01 72 Users of Rotax 912/914 engines are advised to verify the correct matching of the oil pressure sensor to the oil pressure gauge. SI-03-1994 VDO Pressure Sensor and Indicating Instrument 1994-12-01 135 (3 UL 94) Users of Rotax 912/914 engines are advised to verify the correct matching of the oil pressure sensor to the oil pressure gauge. SI-22-1994 Supply Scope of ROTAX Crankshafts 1994-12-01 300 (22 UL 94) This document is for information only concerning the design of 2-stroke, 2-cylinder crankshafts, their packaging to prevent corrosion and shipping damage, and the method to check crankshaft alignment prior to installation. SI-27-1994 Special Inspection to Increase the TBO For Engine Type 912 UL 1994-12-01 578 (27 UL 94) This document has special inspection inspections and information to increase the TBO of Rotax 912 UL engines from 600 hours or 10 years to 1200 hours or 15 years. 5 KUL 94 Spark Plug for ROTAX 2-Stroke Aircraft Engine 1994-11-01 10 All Rotax 2-stroke aircraft engines, with the exception of Rotax 618 UL DCDI, must use 14mm spark plug with solid end cap. The use of spark plugs with screw-on end caps is highly discouraged as these caps may break away due to vibrations. SI-18-1994 Grounding Cable for Electronic Module of ROTAX Engine Series Type 912 UL 1994-11-01 79 (18 UL 94) This document covers the inspection of the crimping of the cable lug on the grounding cable. Inadequate crimping may result in poor grounding and possibly leading to engine stoppage or misfiring. SI-26-1994 TBO for ROTAX Motor Type 912 UL Series 1994-11-01 167 (26 UL 94) This service information document pertains to the increase of TBO from 600 hours or 10 years to 1200 hours or 15 years form Rotax 912 UL engines up to s/n 4152666. Engines beginning with s/n 4152667 comply with 1200 hr/15 year TBO. 3 KUL 94 Oil System for All ROTAX 912 1994-07-01 28 This document deals with the correct installation and maintenance of the lubrication circuit, including oil supply and suction lines and minimum diameter of oil lines. SI-06-1994 Incorrect Model Pumps Without Bleed Hole ROTAX 2-Cycle Aircraft Engine 1994-07-01 142 (6 UL 94) Fuel pumps without oil bleed holes are not recommended for use in ultralight aircraft. All Rotax 2-stroke fuel pumps have a oil bleed hole which serves to prevent pump hydraulicing due to oil/fuel residue left in the impulse line & pump body. SI-07-1994 Crankshaft for ROTAX 582 UL DCDI 1994-07-01 179 (7 UL 94) To standardize design and simplify spare parts stocking, Rotax 582 crankshafts have been unified and the crank pin changed to the uniform size of 26mm diameter. SI-13-1994 Using Auto Fuel in ROTAX Two-Cycle Aircraft Engines 1994-07-01 215 (13 UL 94) This document gives a warning about "oxygenated fuels" and the ill effects of alcohol in Rotax 2-stroke ultralight aircraft engines SI-14-1994 ROTAX Two-Cycle Aircraft Engines Crankshaft Failures, Piston Seizures 1994-07-01 292 (14 UL 94) This information document is intended to assist aircraft designers, manufacturers, and builders achieve correct operating conditions and assembly for the engine and consequently optimum performance and reliability. SI-21-1994 912 Carburettor Fixation - Cancelled 1994-07-01 28 (21 UL 94) The 912 carb fixation has been designed to secure carb to the intake manifold via carb flange when using Rotax air filters. Also a recommendation to safety wire carb to manifold. SI-17-1994 Weight, Centre of Gravity and Moments of Inertia 1994-06-01 267 (17 UL 94) Weigh, center of gravity and moments of inertia for Rotax 2-stroke engines with choices of reduction gear boxes. SI-19-1994 Cylinder and Piston for ROTAX 582 DCDI 1994-06-01 188 (19 UL 94) To simplify stocking of pistons, type 582 and 618 pistons (standard and 1st oversized only) have been standardized. A 2nd oversized piston is available for type 582 only. 1 KUL 94 All ROTAX Two-Stroke Engine Crankshaft Failures, Piston Seizures 1994-05-01 176 This service information document is intended to assist aircraft designers, manufacturers & builders achieve correct operating conditions and assembly for the engine and consequently optimum performance & reliability. 2 KUL 94 Using Auto Fuel in Your ROTAX Two-Cycle Aircraft Engine 1994-05-01 171 This information deals with choosing and using auto fuels and the effect of alcohol additives and seasonal blend crossovers on Rotax 2-stroke engines. SI-08-1994 Attaching of Water PUmp Housing on ROTAX 582 UL DCDI 1994-05-01 120 (8 UL 94) This document pertains to the availability of 2 types of screws, either M6 hex-head or M6 taptite, to mount the water pump housing on Rotax type 582 engines up to s/n 4172691. SI-05-1994 Banjo Bolt, ROTAX 912 Series 1994-03-01 228 (5 UL 94) For information only. Check the banjo bolt at fuel connection and replace it if there is an indication of hairline cracks around cross bores, fracture, or deformation by stress (an oval hole pattern at cross bore). SI-11-1994 Subsequent Installation of Retrofit of any oil-pump for separate oil lubrication 1994-03-01 644 (11 UL 94) This document covers the installation of an optional oil pump on type 503 UL DCDI engines starting with engine s/n 4103549. SI-04-1994 Carburettor Icing on UL Engines 1994-02-01 388 (4 UL 94) An explanation of carburetor icing and preventive measures. SI-01-1994 Electronic Box for ROTAX 912 and 912 UL 1994-01-01 297 (1 UL 94) This document introduces new electronic modules and line adapters which supercede 965 320 electronic boxes. SI-09-1993 Assembly Instructions for ROTAX 618 Water Pump Cover 1993-11-01 94 (9 UL 93) A service information document on the correct placement of the airbleed screw on the water pump housing for installation of engines with spark plugs down. SI-08-1993 General Overhaul of ROTAX 912 A and 912 UL 1993-10-01 107 (8 UL 93) This document is for information only regarding the general overhaul of the Type 912 A and UL engines by authorized Rotax Distributors. A list of Distributors in found in such documents as the operator's manual and Installation manual. SI-04-1993 Crankcase Modifications - ROTAX 582 DCDI 1993-09-01 157 (4 UL 93) This document introduces a new crankcase for Type 582 engines and new dimensions for the pick-ups and flywheel. SI-06-1993 ROTAX 582 UL Carb Adapter 1993-09-01 119 (6 UL 93) Thoroughly check the carb adapters for tightness, cracks, cuts or other physical damage prior to every engine start. If the adapter shows the slightest signs of damage, change immediately and ensure correct clamps are used on new adapter. SI-07-1993 Revolution Counter for ROTAX 447 SCDI 1993-09-01 66 (7 UL 93) With the introduction of magneto generator (p/n 996 833) on engine s/n 3910411, no additional resistor is required for the operation of the electronic tachometer. SI-03-1993 Ignition Unit of ROTAX 912 UL 1993-02-01 103 (3 UL 93) This document pertains to improving the ground connection between the stator and ignition housing. SI-01-1993 ROTAX 582 UL DCDI - Marking of Pick-up 1993-01-01 68 (1 UL 93) This service information is to verify that the supplementary mark on the pick-up is in line with the marks on the flywheel. SI-02-1993 Overload Clutch for ROTAX 912 UL - Cancelled 1993-01-01 68 (2 UL 93) This document pertains to the addition of an overload clutch, also known as a slipper clutch, to the reduction gear box. This clutch is standard on type 912A engines and is optional on type 912 UL engines. SI-02-1992 Coolant Expansion Tank ROTAX 912 1992-12-01 101 (2 UL 92) A permanent-mold crankcase was introduced into serial production starting with engine s/n 4005177. The document deals with ensuring the coolant expansion tank has sufficient clearance between its underside and the crankcase. SI-12-1991 ROTAX 508 UL Valve Cover Attachment 1992-12-01 106 (12 UL 91) This service information document pertains to the changing of the valve cover attachment screw and retapping the threads. SI-01-1992 Engine Type 912 UL, Ignition Unit with Resistor Spark Plug 1992-07-01 340 (1 UL 92) Document lists the procedures to convert 12mm EYQUEM spark plugs (AD800L) to DCPR7E resistor spark plugs. 13 UL 91 ROTAX 503 UL and DCDI: Subsequent Fitting of "C" Gearbox 1991-12-01 137 This document pertains to the reshaping of the 2 lower cowling on 503 engines up to s/n 3984708 in order to mount the new "permanent mold casting" Type C gearbox. SI-05-1991 Piston for ROTAX UL-Engines (2-stroke) 1991-12-01 90 (5 UL 91) This document lists Rotax 2-stroke UL engine pistons by part number, size stamped on piston crown, nominal diameter, and wear limits. SI-09-1991 CANCELLED: Installation Instructions for ROTAX Ultralight Engines 1991-11-01 1789 (9 UL 91) This service information document covers the installation of Rotax 2-stroke Ultralight engines. It cover topics such as position, gearboxes, propeller matching, cooling, carb & fuel system, oil pump, ignition, exhaust, rotary valve & oil circuit. SI-10-1991 Water Distributor for ROTAX 912 and 912 UL 1991-09-01 103 (10 UL 91) This document pertains to the replacement of the water distributor by an expansion tank with pressure and return valve cap. SI-08-1991 Safety-Check of the BING-carburettors used in all ROTAX UL Engines 1991-06-01 89 (8 UL 91) Service document covers immediate and 50-hour inspections of the Bing jet needle for premature wear. 6 UL 91 Tapped hole for M8 Cylinder Stud in Crankcase on ROTAX Engines Type 912 UL & A 1991-05-01 439 This document covers the procedures for inspecting helicoil inserts for the cylinder and cylinder head stud that may have been cut twice in the machining program on certain engine serial numbers. SI-07-1991 Wiring Diagram for Engine Type 447 UL SCDI and 508UL SCDI in conjunction with 1991-05-01 86 (7 UL 91) Installation of a 10Kohm/9watt series resistor when using 966 074 electronic tachometer 966 074 on Rotax 447 UL SCDI and 508 UL engines. SI-03-1991 Daily and Pre-flight Check - Maintenance Plan 1991-04-01 291 (3 UL 91) Daily and Preflight check and maintenence plan for 2-stroke Rotax UL engines. 3 UL 90 Installation of "C" Version Gearbox on Ultralight Engines 1991-03-01 190 Procedures for installing Type "C" gearboxes on two stroke UL engines SI-01-1991 Rotary Valve Shaft Sealing for ROTAX 532 UL and 582 UL 1991-02-01 447 (1 UL 91) A new sealing on water pump side of rotary valve shaft was introduced to increase the lifetime of rotary valve shaft and the corresponding oil seals. SI-02-1991 Tightening Torque Increase on "C" Gearboxes for UL Engines 1991-02-01 256 (2 UL 91) This document describes the procedures to increase the torque on M30 x 1.5 LH hex nut to 330 Nm (220 ft-lbs) on Type "C" gearboxes. SI-05-1990 Disturbance of Tachometer 966 072 (for 503 CDI and 582 CDI) 1990-12-01 170 (5 UL 90) This document deals with a possible reason for improper function of tachometer (red label on back side) due to a failed resistor on the stator and the recommended procedure to remove the failed resistor. SI-04-1990 Starter gear - electric starter, magneto side, on engine 582 UL 1990-09-01 99 (4 UL 90) Instructions for 1) checking for cracks as well as the thickness of the electric starter gear and 2) checking the starter gear adapter for correct chamfer and supports. SI-08-1987 Influence of Ambient Air Temperature and Barometric Pressure on Engine Performa 1990-06-01 972 (8 UL 87) Graphs and formulas concerning the influence of ambient air temperature and barometric pressure on engine performance and carb calibration. SI-03-1989 Matching Propeller to ROTAX Ultralight Engine 1990-05-01 289 (3 UL 89) Propeller matching formulas and graphs SI-04-1987 Unexpected Engine Stops 1990-05-01 168 (4 UL 87) Procedural check of engine experiencing sudden r.p.m. drop or engine stops abruptly in flight but starts and operates again on ground without trouble. 2 UL 90 UL - Gearbox "B" For Engine Types 532 and 582 1990-04-01 162 This service information document pertains to the exchange of the gearbox housing on "B" gearboxes installed on Rotax 532 and 582 engines. SI-05-1988 Gearbox Fixation on UL-Engines Type 377, 447, 462, 503 and 532 1990-04-01 172 (5 UL 88) Inspection and possible replacement of M10 allen head screws holding the adapter plate to the crankcase on Type "A" gearboxes. SI-07-1987 Fuel Consumption 2-Stroke UL Engines 1990-04-01 223 (7 UL 87) Information on fuel consumptionand possible causes for high fuel consumption. SI-05-1989 Customers Information 1989-12-01 607 (5 UL 89) This document contains information on new developments on ROTAX ultralight engines and introduces the Type C gearbox, Primer pump, & clamp-on after muffler kits. SI-01-1989 Fan Drive of Engine Type 503 1989-03-01 83 (1 UL 89) Introduction of a new fan and protection washer to prevent the shims from being assembled in the wrong position, that is between the protection washer and fan. SI-04-1989 Use of Tool for Cageless Piston PIn Needle Bearing 1989-01-01 548 (4 UL 89) Use of Cageless Piston Pin Needle Bearing tool on 447, 462, 503, 532, 582 engines SI-01-1988 Function Test of the Rectifier-Regulator 1988-01-01 150 (1 UL 88) Checking the regulator function of the single-phase and three-phrase rectifier-regulator. SI-10-1987 503 UL - Execution Free Air 1987-11-01 74 (10 UL 87) This information document covers the replacement of a) cylinder head shims by cone sleeves and b) 37mm distance nuts by 33mm distance nuts on Rotax Type 503 Free Air engines to reduce the stress concentration of the cylinder studs. SI-11-1987 Exhaust Systems for ROTAX UL - Engine Type 377/447/462/503/532 1987-11-01 288 (11 UL 87) This document introduces double ball joint exhaust systems (the addition of a 90 degree elbow between the exhaust manifold and the exhaust muffler) on Rotax 2 x 90 degree, Sidemount, and Straight exhaust systems. SI-06-1987 Engine Instruments 1987-07-01 832 (6 UL 87) This service information document covers the use of 2-stroke instrumentation such as tachometers, cylinder head temperature gauges, and exhaust gas temperature gauges. 2 UL 87 UL Reduction Box Torsional Shock Absorber configuration with prop shaft in 1 pc. 1987-02-01 556 This service information document covers the replacement of a 2-dog hub, p/n 958 760, to a 4- dog hub, p/n 958 770 on Type "A" Rotax reduction gear boxes.