Effectivity: 912 Serie BRP-Powertrain page 7-5
OM Edition 2 / Rev. 0 April 01/2010
d04679.fm
7.3) Lubrication system
General note See Fig. 3
The ROTAX 912 engine is provided with a dry sump forced lubri-
cation system with a main oil pump with integrated pressure regu-
lator (1) and oil pressure sensor (2).
Lubrication The oil pump (3) sucks the motor oil from the oil tank (4) via the oil
cooler (5) and forces it through the oil filter (6) to the points of lub-
rication in the engine.
Crankcase The surplus oil emerging from the points of lubrication accumula-
tes on the bottom of crankcase and is forced back to the oil tank
by the piston blow-by gases.
Oil pump The oil pumps are driven by the camshaft.
Oil circuit vented The oil circuit is vented via bore (7) on the oil tank.
Oil temperature
sensor
The oil temperature sensor (8) for reading of the oil inlet tempera-
ture is located on the oil pump housing.
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