bpr Rotax 912 i Series, Maintenance Manual, Page: 173 / 458

Effectivity: 912 i Series
Edition 1/Rev. 0
d
053
44.
fm
MAINTENANCE MANUAL
BRP-Powertrain
72-20-00
Page 5
July 01/2012
GENERAL NOTE
This section only describes work relating directly
to repairing the engine block and its assemblies.
Note the cross-references to maintenance work
and work on other assemblies which is neces-
sary when working on the engine block.
SAFETY INSTRUCTIONS
MAINTENANCE
As well as the maintenance and special checks,
see the relevant Maintenance Manual Line for
the respective 912 i Series engine type.
REMOVAL
Before the sprag clutch is removed, the work
described below must be carried out to identify
any further faults in the engine block and rectify
them as part of repair work.
- General visual inspection. See relevant Main-
tenance Manual Line for the 912 i Series
engine type.
- Engine cleaning. See relevant Maintenance
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.
SPRAG CLUTCH - REMOVAL
Preparation
- Remove the electric starter.
See also chapter 80-00-00 Electric starter.
- Remove the ignition housing and fly wheel.
See chapter 24-20-00 Internal generator.
- Fix the crankshaft into place. See relevant
Maintenance Manual Line for the 912 i Series
engine type.
NOTE:
The assemblies and lines are only to
be removed if necessary and only as
far as is necessary!
REMOVAL OF THE SPRAG CLUTCH
HOUSING
Fig. 1
m
WARNUNG
m
WARNING
Danger of severe burns and scalds! Allow the
engine to cool to ambient temperature before
starting 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 debris particles into all discon-
nected lines and connections.
Step Procedure
1 Pull out the intermediate gear shaft.
2 Remove the starter intermediate gear.
m
WARNUNG
NOTICE
The M32x1.5 hex. collar nut (secured with LOC-
TITE 603) must be heated correspondingly. The
nut has a left handed thread!
1. Intermediate gear shaft 2. Intermediate gear