Ski-Doo Ski Doo SUMMIT 2005 [1215/1429] General

Ski-Doo Ski Doo SUMMIT 2005 [1215/1429] General
Section 07 TRANSMISSION
Subsection 02 (DRIVE PULLEY)
GENERAL
Some drive pulley components can be changed
to improve vehicle performance in high altitude
regions. A Service Bulletin will give information
about calibration according to altitude.
CAUTION: Such modifications should only be
performed by experience mechanics since they
can greatly affect vehicle performance.
WARNING
Any drive pulley repairs must be performed
by an authorized BRP snowmobile dealer.
Subcomponent installation and assembly
tolerances require strict adherence to proce-
dures detailed.
MAINTENANCE
Cam Arm Pivot Nut
At first 10-hour (500 km) cam arm pivot nuts no. 15
have to be retighten.
To do so, loosen one turn all cover screws no. 2.
Retightento5.6Nm(50lbfin) maximum all
three pivot nuts no. 15. Make sure cam arms
no. 12 can still move on their pivot bolts no. 11.
Retighten cover screws 2 to 12 Nm (106 lbfin).
Proceed with one screw per tower in a criss-cross
sequence then, remaining three screws.
Cam Arm Bushing
Cam arm bushings no. 14 have to be replaced ev-
ery 3000 km (2000 mi).
With drive pulley still installed on crankshaft, re-
move one cam arm no. 12 at a time. Install parts
included in Cam Arm Kit. Proceed with remaining
cam arms.
Loosen one turn all cover screws no. 2.
Retightento5.6Nm(50lbfin) maximum all
three pivot nuts no. 15. Make sure cam arms
no. 12 can still move on their pivot bolts no. 11.
Retighten cover screws 2 to 12 Nm (106 lbfin).
Proceed with one screw per tower in a criss-cross
sequence then, remaining three screws.
REMOVAL
WARNING
Never use an impact wrench to remove or in-
stall the drive pulley.
Unfasten center and rear bottom pan attachments
on left hand side. Remove belt guard.
Open driven pulley using driven pulley opening
tool (P/N 529 017 200). Remove drive belt.
Use holder (P/N 529 006 400). Make sure holder
hook is positioned on top of tower.
529 006 400
A29D21A
1
A29D22A
1. Holder hook on top of tower
Remove retaining screw no. 1.
Install holder (P/N 529 006 400) in a way to limit
pulley clockwise rotation.
Insert COMET drive pulley puller (P/N 529 025
000) then turn puller clockwise to free drive pul-
ley from crankshaft taper.
mmr2005-035 351

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