Rotax 912 i series Service Manual

BRP-Rotax
MAINTENANCE MANUAL LINE
SCOPE OF SUPPLY
Basic • 4- stroke-, 4 cylinder horizontally opposed-, spark ignition engine, single central cam-
shaft push rods – OHV (Over Head Valve)
• Liquid cooled cylinder heads
• Ram air cooled cylinders
• Dry sump forced lubrication
• Fully redundant electronic engine management system (EMS) for controlling fuel injec-
tion, ignition, etc.
• Propeller drive via gearbox with integrated torsional vibration absorber and overload
clutch
• Oil tank
• Electric starter
• Fuel pump assy.
Optional Preparation for hydraulic governor for constant speed propeller: (configuration 3 only)
• Exhaust system
• Cooling air baffle
• Engine suspension frame
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Page 4
September 01/2018
Effectivity: 912 i Series
Edition 2/Rev. 0

Rotax 912 i series Specifications

General

Number of Cylinders	4
Max Power	100 hp (73.5 kW)
Max Power Output RPM	5800 rpm
Ignition System	Dual electronic ignition
Oil System	Dry sump, forced lubrication with separate oil tank
Reduction Gear Ratio	2.43:1
TBO	2000 hours
Engine Type	4-stroke, horizontally opposed
Displacement	1352 cm³
Bore x Stroke	84 mm x 61 mm
Max Torque	128 Nm
Fuel Type	Avgas 100LL or unleaded automotive gasoline
Fuel System	Electronic fuel injection
Cooling System	Liquid/air-cooled