Rotax 912 i series Installation Manual

d05398.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 0
79-00-00
Page 1
January 01/2012
Chapter: 79-00-00
LUBRICATION SYSTEM
General note The ROTAX 912 i Series is fitted with a dry sump forced lubrication sys-
tem with an oil pump and integrated pressure regulator.
Table of contents This section of the Installation Manual describes the system, operating
limits and requirements for the lubrication system.
Subject Page
Lubrication system (oil system)
System description
Operating limits
Checking the oil circuit
Measuring of the vacuum
Oil and purging line requirements
Page 3
Page 3
Page 4
Page 5
Page 7
Page 9
Connecting sizes and position of connections
Oil circuit
Oil tank
Permissible position and location of the oil tank
Page 11
Page 11
Page 13
Page 16
General notes on the oil cooler
Permissible position and location of the oil coo-
ler
Capacity
Purging the lubrication system
Checking the hydraulic valve tappet for correct
purging
Replacement of components
Page 19
Page 19
Page 20
Page 21
Page 24
Page 25
Data for optional components of lubrication system
Oil cooler
Variants of connectors
Page 27
Page 27
Page 27

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