Snowmobile Ski Doo REV SERIES (2006 year). Manual - part 91
Section 08 DRIVE SYSTEM
Subsection 06 (CHAINCASE)
A32D0KA
TYPICAL — CHAINCASE HOUSING REMOVAL
INSPECTION
Visually inspect the chain and sprockets for wear,
cracked, damaged or missing links. If a problem
is detected, replace drive chain and sprockets as
an assembly.
Check the drive chain deflection. If the deflection
is greater than 38 mm (1-1/2 in) without the chain
tensioner, replace the chain.
Check for worn or defective bearings.
Check chain tensioner roller no. 18 for wear or oth-
er damages. If the roller does not turn smoothly,
replace the needle bearing no. 19.
NOTE: Heat the roller screw no. 20 to break the
threadlocker. During installation of screw, apply
Loctite 271 (red) (P/N 293 800 005) under the
screw's head only, no on threads.
INSTALLATION AND ASSEMBLY
Reverse removal and disassembly procedure and
pay attention to the following.
Using an appropriate pusher, press the oil seal
no. 21 into chaincase hub. Oil seal must fit flush
with the chaincase edge.
NOTE: Should installation procedure for counter-
shaft be required, refer to BRAKE.
Install the circlip no. 22 on drive axle.
CAUTION: It is of the utmost importance to in-
stall the circlip otherwise damage to the chain-
case components may occur.
Position the sprockets no. 9 and no. 11 with the
backside of writing facing the chaincase cover.
Sprocket hub faces toward chaincase.
Install the castellated nut no. 8 and torque to
60 N•m (44 lbf•ft).
Apply Loctite 271 (red) (P/N 293 800 005) on low-
er sprocket screw threads and torque to 48 N•m
(35 lbf•ft).
Install new cotter pin no. 7 in the position shown.
CAUTION: When removing a cotter pin always
replace with a new one. Cotter pin will rub on
chaincase cover if installed otherwise.
A02D08A
1
2
1. New
2. Fold cotter pin over castellated nut flats only
SILENT CHAIN
Do not use chain other that the 13-plates wide on
REV series models. Fit chain on top sprocket to
make sure that you are using right one according
to width. Refer to TECHNICAL DATA.
NOTE: No work (separation, lengthening) can be
done on the silent chain type.
mmr2005-091
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