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Listing of All Service Letters For 2 Stroke & 4 Stroke Aircraft Engines
For All Issue Dates
Service Doc ID Title Date Download Size (K)
(Old Document ID)
Service Letters
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.
SL-912-004 Documentation for Rotax Engines Type 912 (Series) - Rev. 7 2024-02-21 46
Information covering changes in the structure of manuals and documentation available for the 912 series engines. Revision 3
SL-914-004 Documentation for Rotax Engine Type 914 (Series) - Rev. 7 2024-02-21 46
Information on the new structure of manuals and documentation for Rotax 914 series engines. Revision 5
SL-912-022 Storage and storage conditions of ROTAX® genuine spare parts for ROTAX® Engines R3 2024-02-21 201
Information about shelf life, storage and storage conditions of ROTAX® genuine spare parts & engines
SL-914-020 Storage and storage conditions of ROTAX® genuine spare parts for ROTAX® Engines R3 2024-02-21 201
Information about shelf life, storage and storage conditions of ROTAX® genuine spare parts & engines
SL-2ST-014 Storage and storage conditions of ROTAX® genuine spare parts for ROTAX® Engines R3 2024-02-21 212
Information about shelf life, storage and storage conditions of ROTAX® genuine spare parts & engines
SL-912i-011 Storage and storage conditions of ROTAX® genuine spare parts for ROTAX® Engines R3 2024-02-21 201
Information about shelf life, storage and storage conditions of ROTAX® genuine spare parts & engines
SL-915i-003 Storage and storage conditions of ROTAX® genuine spare parts for ROTAX® Engines R3 2024-02-21 201
Information about shelf life, storage and storage conditions of ROTAX® genuine spare parts & engines
SL-912i-012 Documentation for ROTAX® Engine Type 912 i, 915 i, 912 and 914 (Series) R4 2024-02-21 46
Information covering changes in the structure of manuals and documentation available.
SL-915i-004 Documentation for ROTAX® Engine Type 912 i, 915 i, 912 and 914 (Series) R4 2024-02-21 46
Information covering changes in the structure of manuals and documentation available.
SL-916i-004 Documentation for ROTAX® Aircraft Engines R3 2024-02-21 46
Information covering changes in the structure of manuals and documentation available.
SL-2ST-018 Documentation for ROTAX® Aircraft Engines R1 2024-02-21 46
Information covering changes in the structure of manuals and documentation available.
SL-916-003 Storage and storage conditions of ROTAX® genuine spare parts for ROTAX® Engines R2 2024-02-21 201
Information about shelf life, storage and storage conditions of ROTAX® genuine spare parts & engines
SL-912i-003 Warranty Conditions for ROTAX Engine Type 912i (series) - R3 2022-11-10 62
Warranty Conditions for ROTAX Engine Type 912i (series) - revision 3
SL-915i-001 Warranty conditions for ROTAX® Engine Type 915 i (Series) - R2 2022-11-10 62
Warranty conditions for ROTAX® Engine Type 915 i (Series) - revision 2
SL-2ST-006 Warranty Conditions for Rotax Aircraft Engines Rev. 4 2022-11-10 62
New warranty conditions for Rotax engine types 912 and 914 (series) and 2-stroke aircraft engines. Rev.4
SL-912-012 Warranty Conditions for Rotax Aircraft Engines Rev. 4 2022-11-10 62
New warranty conditions for Rotax engine types 912 and 914 (series) and 2-stroke aircraft engines. R4
SL-914-010 Warranty Conditions for Rotax Aircraft Engines Rev.4 2022-11-10 62
New warranty conditions for Rotax engine types 912 and 914 (series) and 2-stroke aircraft engines. Rev 4.
SL-2ST-016 Information on maintenance and spare parts planning for ROTAX® Aircraft Engines 2022-06-17 71
information on maintenance and spare parts planning for ROTAX® Aircraft Engines
SL-912-026 Information on maintenance and spare parts planning for ROTAX® Aircraft Engines 2022-06-17 71
information on maintenance and spare parts planning for ROTAX® Aircraft Engines
SL-914-024 Information on maintenance and spare parts planning for ROTAX® Aircraft Engines 2022-06-17 71
information on maintenance and spare parts planning for ROTAX® Aircraft Engines
SL-912i-018 Information on maintenance and spare parts planning for ROTAX® Aircraft Engines 2022-06-17 71
information on maintenance and spare parts planning for ROTAX® Aircraft Engines
SL-915i-013 Information on maintenance and spare parts planning for ROTAX® Aircraft Engines 2022-06-17 71
information on maintenance and spare parts planning for ROTAX® Aircraft Engines
SL-912i-017 Conditions relating to the limited extended warranty under the ROTAX® Care program 2022-06-13 66
Introduction of the ROTAX® Care for Engine Types 912 i Series and 915 i Series.
SL-915i-012 Conditions relating to the limited extended warranty under the ROTAX® Care program 2022-06-13 66
Introduction of the ROTAX® Care for Engine Types 912 i Series and 915 i Series.
SL-2ST-008 Non-Approved Modifications or Unapproved Engine Components or Accessories - Rev6 2022-05-13 1781
The use of any third party after market replacement kits, modifications and non-genuine Rotax components or accessories is not approved by Rotax and may result in engine damage and/or engine failure resulting in personal injury and/or death.
SL-912-014 Non-Approved Modifications or Unapproved Engine Components or Accessories - Rev6 2022-05-13 1781
The use of any third party after market replacement kits, modifications and non-genuine Rotax components or accessories is not approved by Rotax and may result in engine damage and/or engine failure resulting in personal injury and/or death.
SL-914-012 Non-Approved Modifications or Unapproved Engine Components or Accessories - Rev6 2022-05-13 1781
The use of any third party after market replacement kits, modifications and non-genuine Rotax components or accessories is not approved by Rotax and may result in engine damage and/or engine failure resulting in personal injury and/or death.
SL-912i-005 Non-Approved Modifications or Unapproved Engine Components or Accessories R2 2022-05-13 1781
The use of any third party after market replacement kits, modifications and non-genuine Rotax components or accessories is not approved by Rotax and may result in engine damage and/or engine failure resulting in personal injury and/or death
SL-915i-011 Non-Approved Modifications or Unapproved Engine Components or Accessories 2022-05-13 1781
The use of any third party after market replacement kits, modifications and non-genuine Rotax components or accessories is not approved by Rotax and may result in engine damage and/or engine failure resulting in personal injury and/or death.
SL-912-025 Use of exhaust insulation materials for ROTAX® 4-stroke Aircraft Engines 2021-09-30 3922
The use of any insulation material is not approved by ROTAX® and may result in exhaust component fatigue and damage
SL-914-023 Use of exhaust insulation materials for ROTAX® 4-stroke Aircraft Engines 2021-09-30 5051
The use of any insulation material is not approved by ROTAX® and may result in exhaust component fatigue and damage
SL-912i-016 Use of exhaust insulation materials for ROTAX® 4-stroke Aircraft Engines 2021-09-30 5051
The use of any insulation material is not approved by ROTAX® and may result in exhaust component fatigue and damage
SL-915i-010 Use of exhaust insulation materials for ROTAX® 4-stroke Aircraft Engines 2021-09-30 5051
The use of any insulation material is not approved by ROTAX® and may result in exhaust component fatigue and damage
SL-2ST-007 List of Stolen Rotax Aircraft Engines REVISION 16 2021-06-07 35
To inform the public of reportedly stolen Rotax Aircraft Engines. Rev.16
SL-912-013 List of Stolen Rotax Aircraft Engines REVISION 16 2021-06-07 35
To inform the public of reportedly stolen Rotax Aircraft Engines. R16
SL-914-011 List of Stolen Rotax Aircraft Engines REVISION 16 2021-06-07 35
To inform the public of reportedly stolen Rotax Aircraft Engines. Rev.16
SL-912i-015 List of Stolen Rotax Aircraft Engines 2021-06-07 35
To inform the public of reportedly stolen Rotax Aircraft Engines.
SL-915i-009 List of Stolen Rotax Aircraft Engines 2021-06-07 35
To inform the public of reportedly stolen Rotax Aircraft Engines.
SL-915i-008 Definition for propeller strike or accidental engine stoppage for ROTAX® Engines 2021-04-16 53
Definition for propeller strike or accidental engine stoppage
SL-912i-001 Definition for propeller strike or accidental engine stoppage for ROTAX® Engines R1 2021-04-16 53
Definition for propeller strike or accidental engine stoppage
SL-912-015 Definition for propeller strike or accidental engine stoppage for ROTAX® Engines R2 2021-04-16 53
Definition for propeller strike or accidental engine stoppage
SL-914-013 Definition for propeller strike or accidental engine stoppage for ROTAX® Engines R2 2021-04-16 53
Definition for propeller strike or accidental engine stoppage
SL-2ST-009 Definition for propeller strike or accidental engine stoppage for ROTAX® Engines R2 2021-04-16 53
Definition for propeller strike or accidental engine stoppage
SL-912-021 List of Applicable Publications for ROTAX® Aircraft Engines R1 2020-11-04 31
List of Applicable Publications for ROTAX® Aircraft Engines
SL-914-019 List of Applicable Publications for ROTAX® Aircraft Engines R1 2020-11-04 31
List of Applicable Publications for ROTAX® Aircraft Engines
SL-2ST-013 List of Applicable Publications for ROTAX® Aircraft Engines R1 2020-11-04 31
List of Applicable Publications for ROTAX® Aircraft Engines
SL-915i-002 List of Applicable Publications for ROTAX® Aircraft Engines R1 2020-11-04 31
List of Applicable Publications for ROTAX® Aircraft Engines
SL-912i-010 List of Applicable Publications for ROTAX® Aircraft Engines R1 2020-11-04 31
List of Applicable Publications for ROTAX® Aircraft Engines
SL-915iA-005 Layout for: ASB, SB, SI, SI-PAC for ROTAX® 915 i A/915 i B (Series), 912/914 (Series), 2-stroke R1 2020-11-04 35
ROTAX® has adopted new documentation standards to streamline and optimize future Bulletins and Service Instructions
SL-915iB-005 Layout for: ASB, SB, SI, SI-PAC for ROTAX® 915 i A/915 i B (Series), 912/914 (Series), 2-stroke R! 2020-11-04 35
ROTAX® has adopted new documentation standards to streamline and optimize future Bulletins and Service Instructions
SL-912i-013 Layout for: ASB, SB, SI, SI-PAC for ROTAX® 915 i A/915 i B (Series), 912/914 (Series), 2-stroke R1 2020-11-04 35
ROTAX® has adopted new documentation standards to streamline and optimize future Bulletins and Service Instructions
SL-912-023 Layout for: ASB, SB, SI, SI-PAC for ROTAX® 915 i A/915 i B (Series), 912/914 (Series), 2-stroke R1 2020-11-04 35
ROTAX® has adopted new documentation standards to streamline and optimize future Bulletins and Service Instructions
SL-914-021 Layout for: ASB, SB, SI, SI-PAC for ROTAX® 915 i A/915 i B (Series), 912/914 (Series),2-stroke R1 2020-11-04 35
ROTAX® has adopted new documentation standards to streamline and optimize future Bulletins and Service Instructions
SL-2ST-015 Layout for: ASB, SB, SI, SI-PAC for ROTAX® 915 i A/915 i B (Series), 912/914 (Series), 2-stroke R1 2020-11-04 35
ROTAX® has adopted new documentation standards to streamline and optimize future Bulletins and Service Instructions
SL-2ST-002 Documentation for Rotax 2 Stroke Engines - Rev. 2 2019-04-16 42
Information on documentation and manuals available for Rotax 2 Stroke UL and certified 2 stroke aircraft engines. Revision 2
SL-912-020 Engine Registration via ROTAX®Aircraft Engines Website 2017-03-28 993
Information on registering your ROTAX aircraft engines ONLINE
SL-912i-009 Engine Registration via ROTAX®Aircraft Engines Website 2017-03-28 993
Information on registering your ROTAX aircraft engines ONLINE
SL-2ST-012 Engine Registration via ROTAX®Aircraft Engines Website 2017-03-28 993
Information on registering your ROTAX aircraft engines ONLINE
SL-914-018 Engine Registration via ROTAX®Aircraft Engines Website 2017-03-28 993
Information on registering your ROTAX aircraft engines ONLINE
SL-912-019 Information on the globally standardized iRMT training program for ROTAX® Aircraft Engines 2017-03-06 161
Details about the specialized iRMT training courses available world-wide
SL-914-017 Information on the globally standardized iRMT training program for ROTAX® Aircraft Engines 2017-03-06 161
Details about the specialized iRMT training courses available world-wide
SL-912i-008 Information on the globally standardized iRMT training program for ROTAX® Aircraft Engines 2017-03-06 161
Details about the specialized iRMT training courses available world-wide
SL-2ST-011 Information on the globally standardized iRMT training program for ROTAX® Aircraft Engines 2017-03-06 161
Details about the specialized iRMT training courses available world-wide
SL-912-016 Engine behaviour, performance and manifold pressure data for Rotax 912 and 914 Rev.1 2016-12-29 99
Field experiance has shown that additional information is necessary on the handling of Rotax aircraft engines type 912 and 914.
SL-914-014 Engine behaviour, performance and manifold pressure data for Rotax 912 and 914 Rev.1 2016-12-29 99
Field experience has shown that additional information is necessary on the handling of Rotax aircraft engines type 912 and 914.
SL-912-018 LANGUAGE STANDARIZATION IN TECHNICAL DOCUMENTATION FOR ROTAX® AIRCRAFT ENGINES 2016-09-08 33
BRP-ROTAX switched all of its documentation for Aircraft Engines to English only as of September 1st, 2016
SL-912i-007 LANGUAGE STANDARIZATION IN TECHNICAL DOCUMENTATION FOR ROTAX® AIRCRAFT ENGINES 2016-09-08 33
BRP-ROTAX switched all of its documentation for Aircraft Engines to English only as of September 1st, 2016
SL-914-016 LANGUAGE STANDARIZATION IN TECHNICAL DOCUMENTATION FOR ROTAX® AIRCRAFT ENGINES 2016-09-08 33
BRP-ROTAX switched all of its documentation for Aircraft Engines to English only as of September 1st, 2016
SL-2ST-010 LANGUAGE STANDARIZATION IN TECHNICAL DOCUMENTATION FOR ROTAX® AIRCRAFT ENGINES 2016-09-08 33
BRP-ROTAX switched all of its documentation for Aircraft Engines to English only as of September 1st, 2016
SL-912-017 Conditions relating to the limited extended warranty for ROTAX Engine Types 912/914 series and 912i 2016-07-07 68
Issue of conditions relating to the limited extended warranty for ROTAX Engine Types 912/914 series and 912i Series.
SL-914-015 Conditions relating to the limited extended warranty for ROTAX Engine Types 912/914 series and 912i 2016-07-07 68
Issue of conditions relating to the limited extended warranty for ROTAX Engine Types 912/914 series and 912i Series.
SL-912i-004 Conditions relating to the limited extended warranty for ROTAX Engine Types 912/914 series and 912i 2016-07-07 68
Issue of conditions relating to the limited extended warranty for ROTAX Engine Types 912/914 series and 912i Series.
SL-912-006 Use of third party after-market piston kits in Rotax 912i/912/914 series engines - Revision 1 2014-07-23 35
The use of third party after-market replacement pistons is not approved by Rotax and may result in engine damage and / or engine failure resulting in personal injury and / or death
SL-914-006 Use of third party after-market piston kits in Rotax 912i/912/914 series engines - Revision 1 2014-07-23 35
The use of third party after-market replacement pistons is not approved by Rotax and may result in engine damage and / or engine failure resulting in personal injury and / or death
SL-912i-006 Use of third party after-market piston kits in Rotax 912i/912/914 series engines 2014-07-23 35
The use of third party after-market replacement pistons is not approved by Rotax and may result in engine damage and / or engine failure resulting in personal injury and / or death
SL-912-007 Rotax engine type 912 ULSFR - version for France - Revision 1 2011-03-01 8
Information on a special Rotax engine type 912 ULSFR version developed for France. Rev 1.
SL-912-002 Standardization of the Crankshaft / Piston Pin and of the Gearbox for 912/914 R1 2007-10-01 192
Important information regarding the standardization of production reduction gearboxes for Rotax 912/914 series engines
SL-914-002 Standardization of Reduction Gearbox for Rotax 912/914 - R1 2007-10-01 192
Important information on the standardization of production reduction gearboxes for Rotax 912/914 series engines
SL-912-011 Use Of Oil Thermostat for Rotax 912 and 914 (Series) Engines 2005-09-01 15
Field reports indicate that some 912 & 914 engine installations may operate with oil temperatures that are too low. In these cases an external oil thermostat may be installed.
SL-914-009 Use Of Oil Thermostat for Rotax 912 and 914 (Series) Engines 2005-09-01 15
Field reports indicate that some 912 & 914 engine installations may operate with oil temperatures that are too low. In these cases an external oil thermostat may be installed.
SL-912-009 Coolant For Rotax Engine Type 912 And 914 (Series) - Cancelled 2003-12-01 18
Previous experience has shown that additional information is needed to assist owners and operators on the choice and ratio of antifreeze for type 912 and 914 series engines. Revision 1.
SL-914-008 Coolant For Rotax Engine Type 912 And 914 (Series) - Cancelled 2003-12-01 18
Previous experience has shown that additional information is needed to assist owners and operators on the choice and ratio of antifreeze for type 912 and 914 series engines. Revision 1.
SL-912-010 Identifying Abnormal Vibrations On Rotax Type 912 S (Series) Installations 2003-02-01 248
Certain airframes equipped with Rotax 912 S series engines may demonstrate higher than normal vibrations. This Service Letter covers recommended diagnostic procedures and remedies for vibration issues.
SL-2ST-005 Running Modifications On Carburetors For Rotax 2 Stroke Aircraft Engines 2001-07-01 98
As part of the process of ongoing product development and standardization, a number of modifications have been made to the carburetors installed on new Rotax 2 stroke aircraft engines.
SL-2ST-003 List of Documentation for Rotax 2 Stroke & 912/914 Series Aircraft Engines Rev.2 2000-07-01 70
Information on updated and standardized documentation and manuals for Rotax 2 stroke and 912/914 series aircraft engines.
SL-912-003 CANCELLED! - List of Documentation for Rotax 2 Stroke and Type 912/914 Engines 2000-07-01 16
Superceded by SB-2ST-000/SB-912-000/SB-914-000, current edition.
SL-912-008 CANCELLED! - Operators & Maintenance Manual For Rotax Type 912 Series 2000-07-01 15
Superceded by SB-2ST-000/SB-912-000/SB-914-000. current edition
SL-914-003 CANCELLED! - List of Documentation for Rotax 2 Stroke and 912/914 Series Engines 2000-07-01 16
Superceded by SB-2ST-000/SB-912-000/SB-914-000, current edition.
SL-914-007 CANCELLED! - Operators and maintenance manual for Rotax type 914 series engines 2000-07-01 15
Superceded by SB-2ST-000/SB-912-000/SB-914-000, current edition.
SL-2ST-004 CANCELLED: Change of Layout For ASB, SB, SI and SL 1999-12-01 10
Based on comments and suggestions from users and clients, the layout of ASB, SB, SI, and SL documents has been changed slightly.Seperate certified and non-certified Service Bulletins will now also be issued.
SL-912-005 CANCELLED: Change of Layout For ASB, SB, SI and SL 1999-12-01 10
Based on comments and suggestions from users and clients, the layout of ASB, SB, SI, and SL documents has been changed slightly.Seperate certified and non-certified Service Bulletins will now also be issued.
SL-914-005 CANCELLED: Change of Layout For ASB, SB, SI and SL 1999-12-01 10
Based on comments and suggestions from users and clients, the layout of ASB, SB, SI, and SL documents has been changed slightly.Seperate certified and non-certified Service Bulletins will now also be issued.
SL-2ST-003-R1 List of documentation for Rotax 2 stroke engines and Type 912 & Type 914 engines 1999-10-01 14
The Operator`s Manuals for each engine have been combined into one Operator`s manual and the maintenance Manuals have been revised
SL-1-KUL-1999 Use of third party after-market piston kits in Rotax 912/914 series engines 1999-09-01 13
The use of any third party after-market replacement pistons is not approved by Rotax and may result in engine damage and/or engine failure resulting in personal injury and/or death.
SL-2ST-001-R1 Change of designation of Technical Bulletins and Service Information documents 1999-07-01 31
Information on changes being made to the Rotax service document indentification and numbering system to bring the system more in line with the ATA 100 standard
SL-912-001-R1 Changes of designation of Technical Bulletins and Service Information documents 1999-07-01 31
Information on changes being made to the Rotax service document indentification and numbering system to bring the system more in line with the ATA 100 standard
SL-914-001-R1 Change of designation of Technical Bulletins and Service Information documents 1999-07-01 31
Information on changes being made to the Rotax service document indentification and numbering system to bring the system more in line with the ATA 100 standard