Rotax 912 S / ULS (100hp)


Available on backorder




In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the weight. This engine series offers a time between overhauls of 2.000 hrs and the best power to weight ratio in its class – no surprise that this engine is the best selling 4-stroke engine. This series is available as non-certified (Rotax 912 ULS) and certified engine (Rotax 912 S) according to FAR33.


  1. 4-cylinder
  2. 4-stroke liquid/air-cooled engine with opposed cylinders
  3. dry sump forced lubrication with separate oil tank
  4. 2 carburetors
  5. mechanical fuel pump
  6. dual-electronic ignition
  7. electric starter
  8. propeller speed reduction unit
  9. air intake system
912ULS2-BASERotax 912ULS 2, 100Hp non-certifed engien with slipper clutch and large starter£16038.00
9-FRAMEWEngine suspension frame 912A/912F/912UL/912S/912ULS£578.33
9-VACWDrive for vacuum pump£414.25
9-SLIPWSlipper clutch (only available as add on for 912UL and 914UL, standard on others)£521.47
9-MECHWMechancial drive - NOT available for 9-iS/9-iSc£141.33
9-BAFFLWair guide baffle (975795)£376.89
9-HDSWHigh duty starter (only available for 912A/F/UL)£139.71
9-XSSW912S/ULS with standard started (normally fitted with HD)£60.07
9-FLINEWPre-fitted fuel lines only for 912UL/912A/912ULS£437.00
9-FPiSWStandard 912iS/912iSc fuel pump£729.41
9-EXSTWExhaust system complete (973387) mounted£1003.95
9-AIRBOXWAirbox/driptray option for 912A/912F/912UL/912S/912ULS only£729.41
9-FRAMEWEngine suspension frame 912A/912F/912UL/912S/912ULS£578.33
9-FRAMEiSWEngine suspension frame for 912iS/912iSc£324.90
9-GB3SLIPWType 3 gearbox with slipper clutch (912UL/914UL)£1592.03
9-GB3WType 3 gearbox (912A/912F/912S/912ULS/912iS/912iSc)£1077.06