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Would like to know the year my Rotax 912 ULS was built

in 912 / 914 Technical Questions 6 years ago

  • Re: Would like to know the year my Rotax 912 ULS was built

    by » 5 years ago

    5845153 was not found in the factory database. Are you sure that's not a typo?
      
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  • Re: Would like to know the year my Rotax 912 ULS was built

    by » 5 years ago

    Apologies, yes a typo. Number is 5645153
      
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  • Re: Would like to know the year my Rotax 912 ULS was built

    by » 5 years ago

    5645153 was produced 07-Jun-2005

    Engine Type: ROTAX 912 ULS
    Engine Version: 912 ULS2
    Model Number: 309120110

    Original Factory Configuration:
    without fuel lines
    UL2 I=2,43 with clutch
    without vacuum pump
    with green valve covers
    without mech. tachom. pick up
    without external generator
    without air guide baffle
    with std. temperatur sensors
    with nipple conn. for oil pump
    with expansion tank
    without air box
    bent sockets for engine truss
    starter large
      
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  • Re: Would like to know the year my Rotax 912 ULS was built

    by » 5 years ago

    Hi, I recently purchased a Kitfox 3 with a Rotax 912.  Please could you provide the info for serial number 3792618.

    I would like to check to see if all SBs have been complied with.

    Thank you very much.

    Franc

      
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  • Re: Would like to know the year my Rotax 912 ULS was built

    by » 5 years ago

     

     

    3792618 was produced 11-July 1990

     ROTAX 912 UL

     309120010

    ( the factory database does not contain any additional information on this engine )

     

    below is a list of every service document that potentially might apply to your engine - you need to refer to details of each to verify applicability.

    All of the applicable MANDATORY service bulletins should have been  noted as 'complied with' in your engine log book....

    All Document Types For All Type 912 UL Engines
    Range Of Issue Dates Selected:
    From: 07/1990 To: 07/2019
    Service Doc ID Title Date Download Size (K)
    (Old Document ID)
      Alert Service Bulletins
    Alert Service Bulletins contain service requirements and instructions that are very important to flight safety and must be addressed, complied with, or accomplished before continued flight operations.  Alert Service Bulletins will always be superseded by a Service Bulletin.
    ASB-912-051UL Checking Of Magnetic Plug On Rotax Engine Type 912/914 2006-10-01 690
      In a limited number of cases increased wear of the camshaft/hydraulic valve tappet can occur. Addition checks of the engine magetic plug are required for affected engines.
    ASB-912-060UL Checking of the oil pump fixation bolts on Rotax engine type 912 and 914 2012-01-01 180
      During quality checks, it was discvered in a limited number of engines during production the oil pu,p fixation bolts may not have been toqued to the proper specification.
    ASB-912-061UL Replacement of the pressure side fuel hose at fuel pump part no 839114 REV.1 2012-05-01 180
      Due to variations in the manufacturing of the fuel hose, rubber particles may become detatched. These particles can interfere or supress the fuel mixture in the carburetor. This may lead to rough operation, or shutdown. Rev. 1
    ASB-912-061 Replacement of the pressure side fuel hose at fuel pump part no 839114 REV.1 2012-05-01 180
      Due to variations in the manufacturing of the fuel hose, rubber particles may become detatched. These particles can interfere or supress the fuel mixture in the carburetor. This may lead to rough operation, or shutdown. Rev. 1
    ASB-912-062UL Checking of the cylinder head assy 2/3 for Rotax engine 912 and 914 (Series) R2 2013-05-01 33
      Due to deviation in the manufacturing process, some cylinder heads may have an oil leak in the intake channel. There is a possibility of small machined through holes, which can increase the oil consumption which may result in engine stoppage.
    ASB-912-069UL Exchange of floats on ROTAX® Engine Type 912 and 914 (Series) Rev.1 2016-07-22 40
      Due to a deviation in the manufacturing process of the floats a partial separation of the outer skin because of resonance vibrations during engine operation may occur
      Service Bulletins
    Service Bulletins contain service requirements and instructions that must be addressed, complied with or completed within a specified period.
    SB-912-026UL Checking and replacement of stator assy. - Rev. 3 ALSO SEE SB-912-026 1999-12-01 8
      Mandatory check of ignition unit before next flight. Mandatory replacement of stator at next 100 hr. inspection but at the latest Apr 01,00. Order replacement stators from nearest aurthorized distributor.
    SB-912-026 Checking and replacement of stator assy - Rev. 3 1999-12-01 850
      Mandatory check of ignition unit before next flight. Mandatory replacement of stator at next 100 hr. inspection but at the latest Apr 01, 00. Order replacement stators from nearest authorized distributor.
    SB-912-027UL Checking or replacement of the propeller gearbox for all Rotax 912 / 914 series 2000-02-01 6
      An unsuitable combination of a 7 degree tapered doghub and a 30 degree backlash doggear may have been installed in the gearbox of the engines affected.
    SB-912-027 Checking or replacement of the propeller gearbox for all Rotax 912 / 914 series 2000-02-01 464
      An unsuitable combination of a 7 degree tapered doghub and a 30 degree backlash doggear may have been installed in the gearbox of the engines affected.
    SB-912-022 Replacement of Valve Spring Retainer on Single Valve Spring Conf. 912 & 914 2001-03-01 152
      This service bulletin covers the mandatory replacement of the valve spring retainers in single valve spring configurations with a re-inforced retainer design. Please consult the service bulletin for complete details.
    SB-912-022UL Replacement of Valve Spring Retainer on Single Valve Spring Conf. 912 & 914 2001-03-01 5
      This service bulletin covers the mandatory replacement of the valve spring retainers in single valve spring configurations with a re-inforced retainer design. Please consult the service bulletin for complete details. ALSO REFER TO SB-912-022.
    SB-912-032UL Replacement Of Oil Pump Assy. Or Oil Pump Shaft Assy. On Rotax Type 912 UL 2001-10-01 6
      In isolated cases traces of wear on the dowel sleeve of the oil pump shaft have been noted. Replacement of the oil pump assy. (Group A engines) or oil pump shaft assy. (Group B engines) is required.
    SB-912-031UL Checking Or Replacement Of Fuel Pump Assembly Part # 996 596 On Rotax 912 2001-10-01 411
      It has been noted that leakage at the hose nipple on fuel pump assembly 996 596 is possible. Affected fuel pump assemblies must be checked or replaced.
    SB-912-034UL Checking Of Oil Pump Attachment Screw For Rotax Engine Type 912 UL (Series) 2002-03-01 9
      Incorrect attachment screws were included with oil pump assy. (Part # 889590) supplied between October 31, 2001 and March 22, 2202. Service Bulletin effects engines that have had the 889590 oil pump assy recently replaced. (See SB-912-032).
    SB-912-036UL Inspection for Correct Venting Of The Oil System For Rotax 912 & 914 Rev. 1 2002-08-01 11
      It has been established that damage of the engine valve train on the ROTAX
    SB-912-036 Inspection for Correct Venting Of The Oil System For Rotax 912 & 914 Rev. 1 2002-08-01 206
      It has been established that damage of the engine valve train on the ROTAX
    SB-912-035 Inspection / Replacement Of Rocker Arms & Pushrods 912 & 914 (Series) - Rev. 1 2002-09-01 208
      A production deviation as been identified on a limited group of Rotax 912/914 engine valve gear assemblies that may cause wear & tear on the rocker arm female ball joint, which could result in rocker arm cracking. REVISION 1. Additional serial #s added.
    SB-912-035UL Inspection / Replacement Of Rocker Arms & Pushrods 912 & 914 (Series) - Rev. 1 2002-09-01 10
      A production deviation as been identified on a limited group of Rotax 912/914 engine valve gear assemblies that may cause wear & tear on the rocker arm female ball joint, which could result in rocker arm cracking. REVISION 1. Additional serial #s added.
    SB-912-037UL Installation Of Electric Starter With Enhanced Power For Rotax 912 & 914 Engines 2002-10-01 11
      A new more powerful electric starter has been introduced. This more powerful starter can help to improve starting performance.
    SB-912-028UL Checking Or Replacement Of Engine Suspension Frame Part # 886567 On 912 & 914 R1 2002-11-01 13
      Excessive vibrations and external impacts or forces can cause cracks to form in the Rotax engine suspension frame part # 886 557. This service document applies only to installations using the Rotax suspension frame. Revision 1.
    SB-912-028 Checking Or Replacement Of Engine Suspension Frame Part # 886567 on 912 & 914 R1 2002-11-01 130
      Excessive vibrations and external impacts or forces can cause cracks to form in the Rotax engine suspension frame part # 886 557. This service document applies only to installations using the Rotax suspension frame. Revision 1.
    SB-912-039UL Modifications Of The Overflow Bottle For Rotax Engine Type 912 & 914 (Series) 2002-12-01 11
      High coolant temperatures may lead to an increase in pressure in the coolant overflow bottle. Increasing the size of the vent hole in the plug screw of the overflow bottle can prevent pressure increases.
    SB-912-039 Modifications Of The Overflow Bottle For Rotax Engine Type 912 & 914 (Series) 2002-12-01 91
      High coolant temperatures may lead to an increase in pressure in the coolant overflow bottle. Increasing the size of the vent hole in the plug screw of the overflow bottle can prevent pressure increases.
    SB-912-040UL Introduction Of A New Oil Dipstick For Rotax Engine Type 912 & 914 (Series) 2003-04-01 10
      The characteristics of some modern motor oils can result in slower return of oil to the oil tank. This can cause the oil tank level to fall below the minimum level. To correct this problem a new oil dipstick with new level marks has been introduced.
    SB-912-040 Introduction Of A New Oil Dipstick For Rotax Engine Type 912 & 914 (Series) - R1 2003-08-01 40
      The characteristics of some motor oils can result in slower return of oil to the oil tank. This can cause the oil tank level to fall below the minimum level. To correct this problem a new oil dipstick with new level marks has been introduced. Rev. 1
    SB-912-037 Installation Of Electric Starter With Enhanced Power For 912 & 914 Engines - R1. 2003-10-01 149
      A new more powerful electric starter has been introduced. This more powerful starter can help to improve starting performance. Revision 1.
    SB-912-030UL Cracks, Wear & Distortion On The Carburetor Flange On 912 & 914 Engine Rev. 1 2004-02-01 25
      One or more unfavorable installation or operational conditions may result in stress and damage to carburetor flanges. Within the next 10 hrs. of operation, carburetor flanges must be inspected for damage, cracks, wear or distortion. Revision 1.
    SB-912-044UL Use of Rotax supplied airbox for all Rotax engine Types 912 UL (Series) 2004-10-01 11
      The optional Rotax supplied airbox for 912 series engines has been standardized. This service bulletin covers the installation of the optional airbox.
    SB-912-045UL Inspection of the Oil Filter Part No. 825701 2004-11-01 10
      Due to a prodution error the sealing ring of some oil filters may not project from the filter far enough to allow for proper sealing. This may cause leakage between the oil filter and the oil pump housing. Replaces ASB-912-045UL
    SB-912-047UL Check of Allen Screw M8X100 in the Crankcase on Rotax Engine Type 912/914 2005-07-01 28
      In a limited number of cases a production deviation in the allen screw may result in cracking of the screw head and possible loss of screw head.
    SB-912-046UL Check of Crankshaft Support Bearing & Gearbox Bushing On 912 & 914 Engines 2005-07-01 29
      A production deviation in the crankshaft bearing in the gearbox cover may lead to reduced bearing clearance and result in scoring marks.
    SB-912-048UL Replacement Of Pin In Carburetor For Rotax 912 And 914 Series Engines 2005-09-01 30
      In limited cases, a production issue may lead to flaking of the surface coating on the carb float pin which may result in contamination of the float chamber.
    SB-912-049UL Checking Eccenters & Fuel Pump Plungers for Rotax Engine Type 912 (Series) 2006-05-01 88
      In some instances, surface roughness on the gearbox eccenter that drives the fuel pump can lead to premature and excessive wear on the fuel pump plunger.
    SB-912-029UL Checking Of The Crankcase on Rotax Engine Type 912 And 914 Rev. 3 2006-07-01 27
      Excessive vibrations, external impacts or forces and thermal strain may result in cracks forming in the engine crankcase. This service document details the required inspection of the crankcase for cracks. Revision 3.
    SB-912-043UL Change Of Coolant Specification On Rotax Engine Type 912 & 914 (Series) Rev.1 2006-08-01 32
      Change of coolant specification for all 912 & 914 series engines. Revision 1.
    SB-912-053UL Replacement of Fuel Pump for Rotax Engine Type 912 (Series) 2007-04-01 60
      Under certain conditions maximum fuel pressure limits may be exceeded resulting in engine malfunction and/or fuel leakage. The mechanical engine driven fuel pump must be replaced on affected engines. Please refer to the bulletin for full details.
    SB-912-054UL Checking or Replacement of Flexible Fuel Line for Rotax 912 (Series) 2007-05-01 750
      Due to a chemical reaction of the adhesive, porosity and/or cracks on the firesleeve can occur.
    SB-912-055UL Inspect for Tight Fit of Oil Filter for Rotax engine type 912 and 914 (series) 2007-08-01 148
      Checking for correct tightness of oil filter and introduction of simplified and standardised instructions for oil filter tightening
    SB-914-036UL Inspect for Tight Fit of Oil Filter for Rotax engine type 912 and 914 (series) 2007-08-01 148
      Checking for correct tightness of oil filter and introduction of simplified and standardised instructions for oil filter tightening
    SB-912-051UL Checking of Magnetic Plug 2008-01-01 669
      In limited cases, increased wear of camshaft / hydraulic valve tappets can occur.
    SB-912-004-UL TBO For ROTAX Engine-Series type 912 (series) Rev2 2009-12-01 90
      This bulletin deals with the increase of TBO from 600 hours/10 years to 1000 hours/10 years. Rev2
    SB-912-057-UL Extension of Time Between Overhauls (TBO) for Rotax engine type 912 (Series) 2009-12-01 87
      The TBO can be extended on account of the positive results of examined engines.
    SB-912-005-UL Special Inspection to Increase the TBO For Engine Type 912 (Series). 2009-12-01 112
      This bulletin contains instructions to increase the TBO on type 912 A engines from 600 hr/10 years to 1000 hrs/10 years.
    SB-912-041UL Extension Of TBO For Rotax Engine Type 912 & 914 (Series). Rev 2 2010-03-01 74
      Based on positive results from examined engines, the Time Between Overhaul (TBO) for 912 A/F/S engines has been extended. Revision 2
    SB-912-059UL Checking of the crankshaft journal for Rotax engine type 912 and 914 2012-01-01 180
      Due to a deviation in the manufacturing process, some crankshafts may have a crack formation occur on the power take off side. These cracks can cause a breakage of the crankshaft support bearing and may lead to engine stoppage.
    SB-912-063UL Replacement of Fuel Pump for Rotax Engine Type 912 UL (series) 2013-08-21 2500
      Due to a deviation in the manufacturing process, in rare cases some fuel pumps may malfunction and should be replaced by part no, 893110
    SB-912-064UL Periodic checking of the crankshaft journal for Rotax Engine Type 912 and 914 (series) 2013-11-11 30
      Due to a deviation in the manufacturing process some crankshafts may have a crack formation occur on the power take off side. This bulletin documents the mandatory procedure to check for this condition.
    SB-912-052UL Installation / Use of Governors for Rotax Engine Type 912/914 Rev.3 2014-06-13 406
      Information covering the installation and use of propeller governors on Rotax 912 and 914 series engines. Revision 3
    SB-912-065UL Periodic inspection of the Float Buoyancy for ROTAX engines 912 & 914 (series) Rev3 2015-03-26 800
      A manufacturing deviance may lead to some floats absorbing fuel which increases their weight affecting the float level in the carb
    SB-912-067UL Exchange of floats on ROTAX� Engine Type 912 and 914 (Series) Rev.1 2015-03-26 306
    (SB-912-065UL) A manufacturing deviance may lead to some floats absorbing fuel which increases their weight affecting the float level in the carb
    SB-912-066UL Change of Measurement method from Cyl.Head temp. to Coolant temp. for Rotax 912 & 914 series Rev.1 2015-04-23 39
      The temperature sensor on heads produced since 2013-03-01 now reads coolant temperature instead of cylinder head temperature
    SB-912-068UL Spec/change of Engine Configuration &or Type Plate ROTAX Engine 912/914 Series Rev.2 2015-09-09 28
      Engines updated with new style cylinder heads must have Type Plates amended with stamp or engraving
    SB-912-057 Extension of Time Between Overhauls (TBO) for Rotax engine type 912 (Series) Rev.1 2016-05-24 90
      The TBO can be extended on account of positive results of examined engines.
    SB-912-070UL Inspection and/or replacement of the valve push-rod assy., rocker arms for ROTAX 912/914/912i 2017-10-12 66
      Due to deviations in the manufacturing process of the valve push-rod assy., partial wear on the rocker arm ball socket may occur
    SB-912-071UL Replacement of oil filter for ROTAX® Engine Type 912 i, 912 and 914 (Series) 2017-11-01 31
      Due to deviations in the manufacturing process of the oil filter’s gasket, cracks in the gasket may have occurred.
      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.
    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-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-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.
    SI-11-1991 Propeller Mass Moment of Inertia 1992-12-01 535
    (11 UL 91) Calculation and procedures for determining mass moment of inertia of a propeller.
    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-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-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-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-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-04-1994 Carburettor Icing on UL Engines 1994-02-01 388
    (4 UL 94) An explanation of carburetor icing and preventive measures.
    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).
    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-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-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.
    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-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-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.
    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-03-1995 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.
    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.
    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.
    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.
    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-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 .
    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.
    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.
    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-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-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-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-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.
    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.
    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.
    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.
    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-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.
    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-05-1997 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.
    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.
    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
    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-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.
    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-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-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-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.
    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-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-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-07-1995 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-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-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-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-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-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-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-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-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-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-912-011 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-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-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-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-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-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-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-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-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-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-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-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-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-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-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
    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-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-912-024 Introduction of new oil radiator/-sets on ROTAX® Engine Type 912 i, 912 and 914 (Series) 2015-11-19 383
      In the course of continuous development and standardization new oil radiators (part no. 886000/ 886002/886004) have been introduced.
    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-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-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-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-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-912-016 Selection of Suitable Operating Fluids For 912 (Series) Engines, Rev. 10 2017-12-20 78
      This revised service instruction adds new Fuel Standards and offers many important operating tips relating to fuel, oil, and coolant choices.
    SI-912-018 Purging Of Lubrication System For Rotax 912 (Series) Rev.2 2018-04-16 288
      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-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-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-912-032 Running modifications of the Bing constant depression carburetor for ROTAX® 912 (series) 2019-02-20 237
      In the course of continued development and our commitment to product improvement, changes to several carburetor parts have been introduced.
      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-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-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-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-914-002 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-912-002 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-914-006 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-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-2ST-008 Non-Approved Modifications or Unapproved Engine Components or Accessories - Rev5 2014-09-01 222
      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 - Rev5 2014-09-01 222
      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 - Rev5 2014-09-01 222
      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-912-017 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-912-012 Warranty Conditions for Rotax Aircraft Engines Rev. 3 2016-07-07 40
      New warranty conditions for Rotax engine types 912 and 914 (series) and 2-stroke aircraft engines. Rev.3
    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-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-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-912-020 Engine Registration via ROTAX®Aircraft Engines Website 2017-03-28 993
      Information on registering your ROTAX aircraft engines ONLINE
    SL-912-004 Documentation for Rotax Engines Type 912 (Series) - Rev. 3 2018-12-21 38
      Information covering changes in the structure of manuals and documentation available for the 912 series engines. Revision 3
    ---------------------------------
    ALL SERVICE INSTRUCTIONS AND SERVICE LETTERS WITH A KUL DESIGNATION HAVE BEEN RELEASED BY AN AUTHORIZED DISTRIBUTOR AND HAVE NOT BEEN REVIEWED OR APPROVED BY BRP-Rotax GmbH & Co KG.
    ---------------------------------
      
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