bpr Rotax 912 i Series, Maintenance Manual, Page: 187 / 458

Effectivity: 912 i Series
Edition 1/Rev. 0
d
053
45.
fm
MAINTENANCE MANUAL
BRP-Powertrain
72-30-00
Page 5
July 01/2012
SYSTEM DESCRIPTION
The 912 i Series engine has 4 liquid-cooled
cylinder heads.
SAFETY INFORMATION
MAINTENANCE
As well as the maintenance and special checks,
see the relevant Maintenance Manual Line for
the respective 912 i Series engine type.
REMOVAL
CYLINDER HEAD - REMOVAL
Preparation
Before the cylinder head is removed, the work
described below must be carried out to identify
any further faults in the cylinder head and rectify
them as part of repair work.
- General visual inspection. See relevant Main-
tenance Manual Line for the 912 i Series
engine type.
- Carry out an engine test run. See relevant
Maintenance Manual Line for the 912 i Series
engine type.
- Engine cleaning. See relevant Maintenance
Manual Line for the 912 i Series engine type.
INSTALLATION OF SURROUNDING AS-
SEMBLIES
NOTE:
The assemblies and lines are only to
be removed if necessary and only as
far as is necessary!
Fig. 1
m
WARNUNG
m
WARNING
Danger of severe burns and scalds! Always
allow the engine to cool down to ambient tempe-
rature before starting any work.
m
WARNUNG
NOTICE
If these checks are omitted, it may be necessary
to dismantle the cylinder head again to rectify
any faults after it has been repaired.
m
WARNUNG
NOTICE
Use appropriate protective coverings to prevent
the ingress of foreign bodies into all dis-
connected lines and connections.
Step Procedure
1 If parts of more than one cylinder are re-
moved, they must be numbered accord-
ingly.
2 Remove the exhaust system.
See also section 78-10-00 Exhaust.
3 Remove the fuel hose assy. and outlet if
necessary.
To do this, see section 73-10-00 Fuel
pump and distribution.
1. Exhaust system 2. Fuel hose assy.
3. Intake manifold 4. Fuel rail
5. Airbox