ROTAX 912 ULS/S 100Hp (Savannah S/Ventura LSA)



• 4-cylinder

• 4-stroke liquid/air-cooled engine with

opposed cylinders

• dry sump forced lubrication with separate oil

tank, automatic adjustment by hydraulic valve


• 2 carburetors

• mechanical fuel pump

• dual-electronic ignition

• electric starter

• propeller speed reduction unit

• air intake system


In comparison to the 80hp version of the Rotax

912 series the 100hp 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.



73.5 Kw @ 5800rpm

Torque - 128nm @ 5100rpm

Max Rpm - 5800

Bore - 81mm 

Stroke - 61mm 

Displacement  - 1351cm3 

Weight - 69.4kg-Engine with prop speed reduction unit, Overload clutch, Exhaust system, external alternator, engine suspension frame, air guide hood,  and oil cooler 

Fuel - min. MON 85 RON 95* min. AKI