Rotax 912 Series Operator's Manual

Effectivity: 912 Serie
Edition 4 / Rev. 0
BRP-Rotax Page 7-5
November 01/2016
7.3) Lubrication system
The engines is provided with a dry sump forced lubrication sys-
tem with a main oil pump with integrated pressure regulator.
The airframe manufacturer is responsible for the main layout
and the component selection for the lubrication system.
Lubrication
The main oil pump sucks the motor oil from the oil tank via oil
radiator and forces it through the oil filter to the points of
lubrication.
NOTE
The oil radiator is optional.
Crankcase
The surplus of oil emerging from the points of lubrication accu-
mulates 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 on the oil tank.
Oil temperature
sensor
The oil temperature sensor for reading of the oil inlet tempera-
ture is located on the oil pump housing.
Figure .3: Lubrication system
1
Pressure regulator
2
Oil pressure sensor
3
Oil pump
4 Oil tank
5 Oil radiator 6 Oil filter
7
Venting tube
8
Oil temperature sensor (oil)

Rotax 912 Series Specifications

General

Redline	5800 rpm
TBO	2000 hours
Displacement	1211 cc
Bore	79.5 mm
Stroke	61 mm
Power Output	80 hp (59.6 kW)
Compression Ratio	9.0:1
Fuel Type	Avgas 100LL
Ignition System	Dual electronic ignition
Fuel System	Fuel Injected
Oil System	Dry sump
Engine Type	4-cylinder, horizontally opposed, 4-stroke