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Rotax 912 i series Service Manual

Rotax 912 i series
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BRP-Rotax
MAINTENANCE MANUAL LINE
Complete inspection of these components:
power supply cooling system
gearbox valve train system
engine suspension frame exhaust system
fuel system lubrication system
cylinder unit start system
In most cases an overhaul is necessary, in this regard send the engine without delay to an
authorized ROTAX® overhaul facility for inspection.
If an engine was submerged into water, all electrical components
(e. g.: electric fuel pumps, ignition coils, stators, spark plugs, spark plug connectors, FUSE
BOX, sensors, ECU, wiring harness) must be replaced.
NOTE
Discoloration or corrosion are signs of submerging in water.
INSPECTION IN EXTREME CLIMATIC CONDITIONS
General note
ATTENTION
Every 25 hr. checks of air filter, coolant radiator and oil cooler are necessary.
Flying in deserts or areas with heavily contaminated or dusty air causes increased wear
on all components. For this reason, shorter maintenance intervals are recommended.
Flying in areas with extreme climatic conditions or in extreme altitudes requires adjust-
ment of the cooling system. To do this, it is necessary to contact the aircraft manufacturer
and an authorized ROTAX® aircraft engines distributor.
Effectivity: 912 i Series
Edition 2/Rev. 0
05–50–00
Page 17
September 01/2018

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Rotax 912 i series Specifications

General IconGeneral
Number of Cylinders4
Max Power100 hp (73.5 kW)
Max Power Output RPM5800 rpm
Ignition SystemDual electronic ignition
Oil SystemDry sump, forced lubrication with separate oil tank
Reduction Gear Ratio2.43:1
TBO2000 hours
Engine Type4-stroke, horizontally opposed
Displacement1352 cm³
Bore x Stroke84 mm x 61 mm
Max Torque128 Nm
Fuel TypeAvgas 100LL or unleaded automotive gasoline
Fuel SystemElectronic fuel injection
Cooling SystemLiquid/air-cooled

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