Rotax aircraft engine 912 ULS 1
Rotax aircraft engine 912 ULS S 3
Rotax aircraft engine 912 ULS S 4
Please update your cookie preferences to see this video. Cookie preferences

912 ULS | S 100 HP

Rotax aircraft engine 912 ULS 1
Engine with the best-in-class power-to-weight ratio.
  • Four-stroke piston engine with four liquid and air-cooled cylinders
  • Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappet
  • 2 carburetors
  • Mechanical fuel pump
  • Dual-electronic ignition
  • Electric starter
  • Propeller speed reduction gearbox
  • Air intake system


Engine configurator
Set up your individual rotax engine with our engine configurator. Launch configurator
Engine configurator

Engine Data
WEIGHT kg lb
Engine with propeller speed reduction gearbox  i = 2.43 with overload clutch 56.6 124.5
Overload clutch 1.7 3.7
Exhaust system 4.0 8.8
External alternator 3.0 6.6
Engine mount 2.0 4.4
Air guide hood 0.4 0.8
PERFORMANCE
73.5 kW 100 hp 5800 1/min.
TORQUE
128 Nm 94 ft. lb. 5100 1/min.
Max RPM
5800 1/min.
BORE
84.0 mm 3.13 in
STROKE
61.0 mm 2.4 in
DISPLACEMENT
1352 cm³ 82.6 cu in
FUEL*
min. MON 85 RON 95* min. AKI 91*

Engine performance may vary depending on, among other things, general conditions, ambient temperature and altitude.

* leaded, unleaded, AVGAS 100LL, Ethanol 10
** max. continuous power at 5500 1/min


iS: ASTM compliant | iSc: certified according to EASA CS-E


You may be interested in