Rotax aircraft engine 912 i S 1
Rotax aircraft engine 912 i S 4
Rotax aircraft engine 912 i S 3
Rotax aircraft engine 912 i S 2

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912 iS Sport | iSc Sport 100 HP

Rotax aircraft engine 912 i S 1
Perfected 4-stroke engine with full take-off power and engine management system
  • Four-stroke piston engine with four liquid- and air-cooled cylinders
  • Redundant electronic fuel injection and ignition, eco mode
  • EMS and propeller speed reduction gearbox
  • Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappets
  • Electric starter
  • Air intake system
  • TBO 2,000 hrs
  • Customizable version available (engine comes with neutral black covers and without logo branding, ready to get your very individual design)


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 63.6 140.2
Exhaust system 4.8 10.5
Engine suspension frame 2.0 4.4
External alternator 3.0 6.6
Air guide hood 0.4 0.8
Fuel pumps assy 1.6 3.5
PERFORMANCE
73.5 kW 100 hp
**72.0 kW 98 hp
68.0 kW 92.5 hp
TORQUE
121 Nm 89 ft. lb. 5800 1/min
125 Nm 92 ft. lb. 5500 1/min
***132 Nm 97 ft. lb. 5000 1/min
Max RPM
5800 1/min
BORE
84.0 mm 3.31 in
STROKE
61.0 mm 2.4 in
DISPLACEMENT
1352 cm³ 82.6 cu in
FUEL*
min. MON 85 RON95, 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
*** MOGAS, no hydraulic governor


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