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BRP 912 Series Operator's Manual
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BRP 912 Series Operator's Manual

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OPERATORS
MANUAL
FOR ROTAX ENGINE TYPE 912 SERIES
REF NO.: OM-912 | PART NO.: 899700

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Summary of Contents for BRP 912 Series

  • Page 1 OPERATORS MANUAL FOR ROTAX ENGINE TYPE 912 SERIES REF NO.: OM-912 | PART NO.: 899700...
  • Page 2 These technical data and the information embodied therein are the property of BRP-Rotax GmbH & CO KG, Austria, acc, BGBI 1984 no. 448, and shall not, without prior written permission of BRP-Rotax GmbH & Co KG, be disclosed in whole or in part to third parties.

  • Page 3: Table Of Contents

    3 – Abnormal operation Chapter 4 – Standard operation Chapter 5 – Performance and Fuel consumption Chapter 7 – System Description Chapter 8 – Preservation and storage Chapter 9 – Supplement BRP-Rotax Page Content-1 Effectivity: 912 Series Rev. 1 Ed.4/January 01 2023...
  • Page 4 INTENTIONALLY LEFT BLANK BRP-Rotax Effectivity: 912 Series Page Table of Content-2 Ed.4/January 01 2023...
  • Page 5 INTRO) Introduction Topics in this chapter Foreword BRP-Rotax GmbH & Co KG (hereinafter “BRP-Rotax”) provides “Instructions for Continued Airworthiness”, which are based on the design, tests and certification of the engine and its components. These instructions apply only to engines and components supplied by BRP-Rotax.
  • Page 6 INTENTIONALLY LEFT BLANK BRP-Rotax Effectivity: 912 Series Page INTRO-2 Ed.4/January 01 2023...
  • Page 7 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 Effectivity: 912 Series BRP-Rotax Page LEP-1 Rev. 1 Ed.4/January 01 2023...
  • Page 8 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 January 01 2023 rear January 01 2023 page Page LEP-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 9: Toa) Table Of Amendments

    INTRO Jan. 01 2023 DOA* Jan. 01 2023 DOA* Jan. 01 2023 DOA* 1 up to 9 Jan. 01 2023 DOA* BRP-Rotax Page TOA-1 Effectivity: 912 Series Rev. 1 Ed.4/January 01 2023...
  • Page 10 Chapter 1 to Chapter 7 3, 4 Jan. 01 2023 Chapter changed Jan. 01 2023 Deleted (part of IM) Jan. 01 2023 New text: Corrosion Jan. 01 2023 New form Page TOA-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 11: General Note

    1.2 Abbreviations and terms (depending on respective engine type) ....................3 1.3 Safety ....................8 1.4 Safety information ................10 1.5 Technical documentation..............13 1.6 Type description (912 Series) ..............15 Effectivity: 912 Series BRP-Rotax Page 1-1 Rev. 1 Ed.4/January 01 2023...

  • Page 12: General

    The engine serial number is located on the top of the crankcase, magneto side. Cyl.1 Cyl.3 Cyl.2 Cyl.4 Figure 1: Pos. 1: Engine serial number Page 1-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 13: Abbreviations And Terms (Depending On Respective Engine Type)

    American Society for Testing and Materials Air Transport Association American Wire Gauge Controller Area Network Camshaft position sensor Coil 1–4 Ignition coils 1–4 CPS 1+2 Crankshaft Position Sensor 1+2 Effectivity: 912 Series BRP-Rotax Page 1-3 Rev. 1 Ed.4/January 01 2023...
  • Page 14 Flight Level Fuse box Power conditioning and distribution for the Engine Management System hours HIC A Harness Interface Connector A HIC B Harness Interface Connector B Indicated Air Temperature Page 1-4 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 15 Non Destructive Testing Part must be replaced against NEW (mentioned in figures) Newtonmeter NVFR Night Visual Flight Rules Outside Air Temperature Overhaul Manual Over Head Valve Operators Manual Oil Pressure Sensor Effectivity: 912 Series BRP-Rotax Page 1-5 Rev. 1 Ed.4/January 01 2023...
  • Page 16 Power supply PTFE Polytetrafluoroethylene (Teflon) Power Take Off Rev. Revision ROTAX® is a trademark of BRP-Rotax GmbH & Co KG Research Octane Number RON 424 ROTAX® Standard 424 s.v. still valid (only Illustrated Parts Catalog) Serial Number Society of Automotive Engineers...
  • Page 17 List of Effective Pages Maintenance Manual Multi Engine Piston Connector on Engine Management System wiring harness which serves as an interface for power supply XXXX shows the component serial number Effectivity: 912 Series BRP-Rotax Page 1-7 Rev. 1 Ed.4/January 01 2023...

  • Page 18: Safety

    The information and descriptions of components and systems contained in this Manual are correct at the time of publication. BRP-Rotax maintains a policy of continuous improvement of its products without imposing upon itself any obligation to retrofit products previously manufactured.
  • Page 19 ENVIRONMENTAL NOTE Environmental notes give you tips on environmental protection. A revision bar outside the page margin indicates a change to text or graphic. Effectivity: 912 Series BRP-Rotax Page 1-9 Rev. 1 Ed.4/January 01 2023...

  • Page 20: Safety Information

    • Due to the varying designs, equipment and types of aircraft, BRP-Rotax grants no warranty on the suitability of its en- gine’s use on any particular aircraft. Further, BRP-Rotax grants no warranty on this engine’s suitability with any other...
  • Page 21 ROTAX® aircraft engine distributor or their independent serv- ice center. BRP-Rotax requires that any service or mainte- nance work be carried out and verified by a technician that has a current iRMT rating.
  • Page 22 • This engine may be equipped with a vacuum pump. The safety warning accompanying the vacuum pump must be giv- en to the owner/operator of the aircraft into which the vacuum pump is installed. Page 1-12 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 23: Technical Documentation

    Reference Any reference to a document refers to the latest edition issued by BRP-Rotax if not stated otherwise. This symbol informs you of additional references (data sheets, Manuals, etc.) associated with the given subject.
  • Page 24 The Illustrations in this Manual are stored in a graphic data base system and are provided with a consecutive irrelevant number. This number (e.g. AE 5iS001) is of no significance for the content. Page 1-14 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 25: Type Description (912 Series)

    1.6) Type description (912 Series) The type description consists of the following: e.g. ROTAX type configuration Suffix certification Designation Designation Description Type 4 –cyl. horizontally opposed, normal aspirated engine Certifica- Certified to JAR 22 (TC No. EASA.E.121) tion F, S Certified to FAR 33 (TC No.
  • Page 26 INTENTIONALLY LEFT BLANK Page 1-16 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023...

  • Page 27: Operating Instructions

    This chapter of the Operators Manual (OM) contains the operating limits that must be observed and adhered to while operating this type of engine. Effectivity: 912 Series BRP-Rotax Page 2-1 Rev. 1 Ed.4/January 01 2023...

  • Page 28: Operating Limits (912 A/F/Ul)

    90 to 110 °C (190-230 °F) 912 UL to S/N 4 402 387/912 A to S/N 4 410 266 /912 F to S/N 4 412 764 Page 2-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 29 Max. 120 °C (248 °F) 912 A/F/UL Permanent monitoring of coolant temperature is necessary. Engine start, oper- ating temperature Max. 50 °C (122 °F) (ambient temperature) Min. -25 °C (-13 °F) (oil temperature) Effectivity: 912 Series BRP-Rotax Page 2-3 Rev. 1 Ed.4/January 01 2023...
  • Page 30 Vacuum pump Power consumption of the vacuum pump: Max. 300 W External alternator Power consumption of the external alternator: Max. 1200 W applicable only for fuel pump from S/N 11.0036 Page 2-4 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 31: Operating Limits (912 S/Uls)

    0.8 bar (11.6 psi) (below 3500 rpm) Normal 2.0 to 5.0 bar (29-72.5 psi) (above 3500 rpm) NOTICE Oil pressure max. for a short period admissible at cold start. Effectivity: 912 Series BRP-Rotax Page 2-5 Rev. 1 Ed.4/January 01 2023...
  • Page 32 Applicable for engine S/N with Suffix -01. coolant Coolant temperature limit Engine type measured in cylinder head Max. 120 °C (248 °F) 912 S/ULS Permanent monitoring of coolant temperature is necessary. Page 2-6 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 33 Power consumption of the hydraulic propeller governor: Max. 600 W Vacuum pump Power consumption of the vacuum pump: Max. 300 W applicable only for fuel pump from S/N 11.0036 Effectivity: 912 Series BRP-Rotax Page 2-7 Rev. 1 Ed.4/January 01 2023...
  • Page 34 Power consumption of the external alternator: Max. 1200 W Bank angle Deviation from bank angle: Max. 40° NOTE Up to this value the dry sump lubrication system warrants lubri- cation in every flight situation. Page 2-8 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 35: Operating Media-Coolant

    Applicable for engine S/N with Suffix -01. Mixture ratio % Designation Concentrate Water conventional e.g. BASF Glysantine anticorrosion * coolant component can be increased up to max. 65 %. Effectivity: 912 Series BRP-Rotax Page 2-9 Rev. 1 Ed.4/January 01 2023...

  • Page 36: Operating Media - Fuel

    AVGAS 100LL places greater stress on the valve seats due to its high lead content and forms increased deposits in the com- bustion chamber and lead sediments in the oil system. Anti Knock Index (RON+MON)/2 Page 2-10 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 37: Operating Media-Lubricants

    Oil specification • Use only oil with RON 424 classification NOTE The ROTAX® Norm 424 (RON 424) is a BRP-Rotax internal standard, which is only available on special request via the ROTAX® authorized distributor and will not be disclosed to third parties without prior consent.
  • Page 38 Since the temperature range of neighboring SAE grades over- lubrication lap, there is no need for change of oil viscosity at short duration of ambient temperature fluctuations. AE 2_0064 Figure 1: Temperature range Page 2-12 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 39: Abnormal Operation

    3.4.1 Oil pressure below minimum - on ground ........... 5 3.4.2 Oil pressure above permitted range at low ambient temperatures....................5 3.5 Engine on fire or fire in the engine compartment ..................5 3.6 Troubleshooting ..................6 Effectivity: 912 Series BRP-Rotax Page 3-1 Rev. 1 Ed.4/January 01 2023...
  • Page 40 Aviation Authorities) trained on this particular engine, is allowed to carry out maintenance and repair work. The following description of procedures depends on the respective type of installation in the aircraft and shall therefore only be seen functionally. Page 3-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 41: Re-Start During Flight

    • Carry out an unscheduled maintenance check according to Maintenance Manual Line (MML) chapter 05-50-00. Effectivity: 912 Series BRP-Rotax Page 3-3 Rev. 1...

  • Page 42: Exceeding Of Max. Admissible Coolant Temperature

    Reduce engine power setting to the minimum necessary and carry out precautionary landing. Oil pressure Oil pressure below minimum - during flight • Check oil system. • A maintenance inspection should be carried out. Page 3-4 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 43: Oil Pressure Below Minimum - On Ground

    • After landing locate the cause of fire and resolve the error be- fore next flight by qualified staff (authorized by the Aviation Authorities) • An entry in the logbook must be made • A maintenance inspection should be carried out Effectivity: 912 Series BRP-Rotax Page 3-5 Rev. 1 Ed.4/January 01 2023...

  • Page 44: Troubleshooting

    Diesel). Engine run Engine keeps running while ignition switch is turned off Possible cause Remedy Overheating of engine. Let engine cool down at idling at ap- prox. 2000 rpm. Page 3-6 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 45 Oil too cold during engine Cover oil cooler surface, maintain the operation. oil temperature prescribed. Contamination with diesel Check fuel for diesel contamination fuel. and purge entire fuel system if diesel is found. Effectivity: 912 Series BRP-Rotax Page 3-7 Rev. 1 Ed.4/January 01 2023...
  • Page 46 Oil pressure must be measured at idle at an oil temperature of minimum 50 °C (122 °F). Be sure the oil pressure does not go below minimum at idle. Page 3-8 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 47: Standard Operation

    The control elements mentioned in this chapter are only symbolic and should support the understanding of the procedures. The execution of control elements is in the responsibility of the aircraft manufacturer. Effectivity: 912 Series BRP-Rotax Page 4-1 Rev. 1 Ed.4/January 01 2023...

  • Page 48: Daily Checks

    The coolant level must be between max. and min. mark. ENVIRONMENTAL NOTE Protect the environment! Do not harm the environment by spilling coolant. Dispose coolant in an environmentally friendly manner. Page 4-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 49 Expansion tank 08523 Figure 1: Expansion tank Radiator cap Expansion tank Overflow bottle coolant AE 5iS_0139 Figure 2: Overflow bottle Overflow bottle Coolant Effectivity: 912 Series BRP-Rotax Page 4-3 Rev. 1 Ed.4/January 01 2023...
  • Page 50 Verify free movement of throttle cable and starting car- buretor over the complete range. Check from the cockpit. Exhaust system Step Procedure Inspect for damages, leakage and general condition. Page 4-4 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 51: Before Engine Start

    This process is finished when air is returning back to the oil tank and can be noticed by an audible gurgle from the open oil tank. Effectivity: 912 Series BRP-Rotax Page 4-5 Rev. 1 Ed.4/January 01 2023...

  • Page 52: Engine Start

    Fuel valve Starting carb (choke) activated Then engine in operating start the engine without temperature choke. Throttle lever set on idle position Master switch Ignition both circuits switched on Page 4-6 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 53 Engine rpm may only be in- creased so far as the oil pressure re-mains steady. Step Designation Procedure Starting carb (choke) de-activate Effectivity: 912 Series BRP-Rotax Page 4-7 Rev. 1 Ed.4/January 01 2023...

  • Page 54: After Engine Start

    50 °C (122 ° Check temperatures and pressure. Throttle response NOTICE After a full-load ground test allow a cooling run at idle speed to prevent vapour formation in the cylinder head. Page 4-8 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 55: Chapter Chapter

    (max. 5 minutes). Chapter 2.1 Operating limits 4.7) Cruising Performance Step Procedure Set performance as per performance specifications Chapter 5 and respect operating limits as per Chapter 2.1 Operating limits. Effectivity: 912 Series BRP-Rotax Page 4-9 Rev. 1 Ed.4/January 01 2023...

  • Page 56: Engine Shut-Off

    Use of multigrade oil with the low end viscosity code of 5 or 10. Check electrode gap of spark plugs and if worn fit new spark plugs. See Maintenance Manual Line (MML) of the respective engine type. Preheat engine. Page 4-10 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 57 • Generously sized water separators • Fuel lines routing inclined and without undrained low points • Prevent condensation of humidity, i. e avoid temperature dif- ferences between aircraft and fuel Effectivity: 912 Series BRP-Rotax Page 4-11 Rev. 1 Ed.4/January 01 2023...
  • Page 58 INTENTIONALLY LEFT BLANK Page 4-12 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023...
  • Page 59 The indicated power can be achieved by following the procedures laid out in the Operators Manual (OM) and ensuring that the engine is well-maintained. Effectivity: 912 Series BRP-Rotax Page 5-1 Rev. 1...
  • Page 60 Figure 1: Performance graphs 912 A/F/UL power requirement of max. engine output propeller (Gal/h) in.Hg (7,93) (5,28) (2,64) 3000 4000 5000 5800 rpm Figure 2: Values along propeller curve manifold pressure fuel consumption Page 5-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 61 At deviation of temperature conditions from standard atmos- phere conditions the engine performance to be expected can be calculated from the performance indicated, multiplied by standard temperature, divided by actual temperature in K. Effectivity: 912 Series BRP-Rotax Page 5-3 Rev. 1...
  • Page 62 Figure 3: Performance graphs 912 A/F/UL Page 5-4 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 63 Performance graphs for standard. conditions (ISA) Performance graphs Engine 912 S/ULS Figure 4: Performance graphs Engine 912 S/ULS Figure 5: Performance graphs Motor 912 S/ULS Effectivity: 912 Series BRP-Rotax Page 5-5 Rev. 1 Ed.4/January 01 2023...
  • Page 64 4800 44.6 / 60 88.7 / 65.42 55 % 4300 38.0 / 50 84.3 / 62.17 NOTE Further essential information regarding engine behavior see Service Letter SL-912-016, latest edition. Page 5-6 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 65 °K. Figure 6: Performance graph Effectivity: 912 Series BRP-Rotax Page 5-7 Rev. 1 Ed.4/January 01 2023...
  • Page 66 At 75 % continuous 16.2 l/h (4.3 gal/h) 18.5 l/h (4.9 gal/h) performance Specific consumption 285 g/kWh (0.47 lb/ 285 g/kWh (0.47 lb/ at max. continuous hph) hph) performance Page 5-8 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 67: System Description

    The design shown in this chapter does not represent a specified execution but should support the understanding of the system. Effectivity: 912 Series BRP-Rotax Page 7-1 Rev. 1 Ed.4/January 01 2023...

  • Page 68: General Specification

    84 mm (3.31 in) Stroke 61 mm (2.40 in) 61 mm (2.40 in) Displacement 1211 cm³ (73.9 in³) 1352 cm³ (82.5 in³) Compression ratio. 9.0 : 1 10.8 : 1 Page 7-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 69 7.1.3) Engine components 10037 Figure 1: Engine components Vacuum pump or hydraulic Propeller gear box governor for constant speed propeller 7.1.4) Cylinder arrangement Cyl.1 Cyl.3 Cyl.2 Cyl.4 Figure 2: Cylinder arrangement Effectivity: 912 Series BRP-Rotax Page 7-3 Rev. 1 Ed.4/January 01 2023...

  • Page 70: Direction Of Rotation

    7.1.5) Direction of rotation Direction of rotation on propeller shaft: counter clockwise, viewed from the front. 10039 Figure 3: Normal direction of propeller rotation (engine) Page 7-4 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 71: Cooling System

    NOTE The coolant temperature sensors are located in cylinder head 2 and 3. 09152 Figure 4: Cooling system (symbolic) Expansion tank Pressure cap Radiator Overflow bottle Effectivity: 912 Series BRP-Rotax Page 7-5 Rev. 1 Ed.4/January 01 2023...

  • Page 72: Fuel System

    (standard configuration) Fuel manifold (not stand- Electrical fuel pump ard configuration) Fuel pressure gauge 1x check valve Restrictor jet Carburetor Return line from engine to tank Figure 5: Fuel system Page 7-6 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 73: Lubrication System

    08650 Figure 6: Lubrication system Pressure regulator Oil pressure sensor Oil pump Oil tank Oil radiator Oil filter Venting tube Oil temperature sensor (oil) Effectivity: 912 Series BRP-Rotax Page 7-7 Rev. 1 Ed.4/January 01 2023...

  • Page 74: Electric System

    Firing order: 1 - 4 - 2 - 3 Ignition circuit A 10040 Ignition circuit B Charging coils Electronic modules Trigger coils for ignition Dual ignition coils signal Trigger coil for speed signal Figure 7: Ignition circuit Page 7-8 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 75: Propeller Gearbox

    3. Figure 8: Overload clutch Fig. shows a propeller gearbox of configuration 2 with the inte- grated overload clutch. Effectivity: 912 Series BRP-Rotax Page 7-9 Rev. 1 Ed.4/January 01 2023...
  • Page 76 Alternatively either a vacuum pump or a hydraulic governor for hydraulic constant speed propeller can be used. The drive is in each case governor via the propeller reduction gear. Page 7-10 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...

  • Page 77: Preservation And Storage

    Other useful information for service and airworthiness of your engine you'll find on www.rotax-owner.com. NOTICE Carry out all directives of Service Bulletins (SB), according to their priority. Observe applicable Service Instructions (SI) and Service Letter (SL). Effectivity: 912 Series BRP-Rotax Page 8-1 Rev. 1 Ed.4/January 01 2023...
  • Page 78 Operate the engine until the temperatures have stabilized for a period of 5 min. (engine oil temperature between 50 to 70 °C (122 to 160 °F). Shut-off engine. Allow the engine to cool down. Page 8-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 79 For longer storage periods repeat preservation annually. Step Procedure Remove all plugs and caps. Clean spark plugs with plastic brush and solvent. Reinstall. Effectivity: 912 Series BRP-Rotax Page 8-3 Rev. 1 Ed.4/January 01 2023...
  • Page 80 INTENTIONALLY LEFT BLANK Page 8-4 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023...

  • Page 81: Supplement

    The form is also available from the official ROTAX® AIRCRAFT ENGINES Website in electronic version. Authorized Overview of ROTAX® authorized aircraft engines distributor or Distributor their independent Service Center. Refer to the official ROTAX® AIRCRAFT ENGINES Website www.FLYROTAX.com. Effectivity: 912 Series BRP-Rotax Page 9-1 Rev. 1 Ed.4/January 01 2023...
  • Page 82 9.1) Form Figure 1: Form Page 9-2 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 83 Propeller gearbox ......9 Exceeding engine speed ....3 Exceeding of max. admissible coolant temperature .....4 Exceeding of max. admissible Re-Start during flight ......3 cooling system temperature ..3 Exceeding oil temperature ....4 Effectivity: 912 Series BRP-Rotax Page Index-3 Rev. 1 Ed.4/January 01 2023...
  • Page 84 Take-off.........9 Technical data .......2 Safety notice ......8, 10 Technical documentation ....13 Start..........9 Temperature ........3 Terms ...........3 Trouble shooting ......6 Type description 912 Series..15 Table of amendments .....1 Page Index-4 BRP-Rotax Effectivity: 912 Series Ed.4/January 01 2023 Rev. 1...
  • Page 85 DON’T SETTLE FOR LESS. FLYROTAX.COM...
  • Page 86 IN A WORLD FULL OF FAKES, STAY ORIGINAL. GENUINE PARTS ORIGINAL QUALITY. ORIGINAL VALUE. ORIGINAL TRUST. The high levels of safety, reliability, and performance you decided on when choosing your aircraft engine are also reflected in every single part they are built of. Find your extra peace of mind by using only Rotax Genuine Parts when your engine is serviced.
  • Page 88 Engine serial no. Type of aircraft Aircraft registration no. Rotax® authorized distributor FLYROTAX.COM ® and TM are Trademarks of BRP-Rotax GmbH & Co KG. 2023 BRP-Rotax GmbH & Co KG. All rights reserved. ©...

This manual is also suitable for:

Om-912899700