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Rotax 912 i series Operator's Manual

Rotax 912 i series
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Effectivity: 912 i Series BRP-Powertrain page 4-8
OM Edition 1/Rev. 2 April 01/2014
d05873.fm
Starting problems Engine does not start
Engine run Engine keeps running with ignition off
Knocking under load
Oil pressure Low oil pressure
Possible cause Remedy
Switch the LANE select
switch A/B to “OFF“.
Switch the EMS main switch LANE se-
lect switch A/B to “ON“.
Set the EMS main switch to
“OFF“.
Set the EMS main switch to
“AUTO“.
Closed fuel selector/valve. Open valve or clean filter, alternatively
renew filter. Check fuel system for leak-
age.
No fuel in tank. Refuel.
Fuel pumps Set both to “ON“.
Starting speed too low, faulty
or discharged battery.
Fit fully charged battery.
Starting speed too low, starting
problems on cold engine.
Use top quality, low friction oil; allow for
sufficient cooling period to counter for
performance drop on hot starter; pre-
heat engine.
Wrong fuel (Jetfuel or Diesel). Change of fuel.
Possible cause Remedy
Overheating of engine. Let engine cool down at idling at ap-
prox. 2000 rpm.
Possible cause Remedy
Octane rating of fuel too low. Use fuel with higher octane rating.
Intake air temperature to high. Reduce the power.
Check air filter according to Mainte-
nance Manual Line Chapter 12-20-00.
Possible cause Remedy
Not enough oil in oil tank. Refill oil.

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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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