Rotax 912 i series Operator's Manual

Effectivity: 912 i Series BRP-Powertrain page 7-6
OM Edition 1/Rev. 2 April 01/2014
d05871.fm
7.3) Lubrication system
General note See Fig. 3.
The engines are provided with a dry sump forced lubrication sys-
tem with a main oil pump with integrated pressure regulator (1)
and oil pressure sensor (8).
Lubrication The oil pump (2) sucks the motor oil from the oil tank (3) via the oil
cooler (4) and forces it through the oil filter (5) to the points of lu-
brication 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 pump is driven by the camshaft.
Oil venting system The oil circuit is vented via bore (6) on the oil tank.
Oil temperature
sensor
The oil temperature sensor (7) for reading of the oil inlet tempera-
ture is located on the crankcase.
Oil pressure sen-
sor
The oil pressure sensor (8) for reading of the oil pressure is locat-
ed on the ignition housing.

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