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Rotax 912 i series Installation Manual

Rotax 912 i series
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d05785.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 0
75-00-00
Page 12
January 01/2012
Water inlet el-
bow
NOTE: Choose between six possible installation positions of water
inlet elbow (2) appropriate to specific installation (see illus-
tration).
Use two M6x20 Allen screws and lock washers to attach
the water inlet elbow. Tighten screws to 10 Nm (90 in.lb.).
3.1) Requirements, permissible location and installation position of the
radiator/expansion tank/overflow bottle
Radiator See Fig. 7.
Expansion tank To ensure proper operation of the cooling system, the expansion tank (1)
with pressure cap (2) in the main operating systems must be installed on
the highest point of the cooling circuit.
NOTE: The expansion tank (1) is fitted on top of the engine.
WARNUNG
NOTICE
Use the total slip-on length for the water inlet elbow
and expansion tank. Secure hoses with suitable spring
or screw clamps.
WARNUNG
WARNING
Non-compliance can result in serious injuries or death!
The radiator must be designed and installed such that
the permissible operating temperatures are main-
tained and the max. values are not exceeded.
This must also apply to "Hot day condition".
WARNUNG
NOTICE
If required, the radiator outlet (3) may be located max.
1.5 m (4.92 ft.) underneath the inlet elbow (4) of the
water pump and no higher than the expansion tank (1).

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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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