Can-Am DS 450 2008 Shop Manual page 148

Section 03 ENGINE
Subsection 08 (CRANKCASE/CRANKSHAFT)
Rotate crankshaft until marks on intake and ex-
haust camshaft timing gear are aligned. This is the
compression stroke.
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1. Aligned marks on timing gears
Locking Crankshaft
When crankshaft is at the right position, lock
crankshaft at TDC using the crankshaft locking
tool (P/N 529 036 107).
529036107
CAUTION: Do not use the locking tool of Out-
lander models. It will not fit properly on crank-
shaft.
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Screw the crankshaft locking tool in and try to ro-
tate the crankshaft. If it does not turn, tighten the
locking tool.
NOTE: When the job will be completed, check oil
level and refill if necessary since some oil came
out of access hole.
Crankshaft Removal
CRANKCASE
Refer to .
Crankshaft Inspection
For crankshaft main bearing inspection and re-
CRANKCASE
placement refer to
Crankshaft Gear
Inspect the crankshaft gear for chipped, worn
or broken teeth. Replace if necessary, refer to
CRANKSHAFT GEAR REPLACEMENT PROCE-
DURE
below.
NOTE: If any imperfection is detected, replace
also the balance shaft gear, refer to
SHAFT
above.
Connecting Rod Big End Axial Play
Using a feeler gauge, measure distance between
connecting rod and crankshaft counterweight. If
the distance exceeds the specified tolerance, re-
place the crankshaft.
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1. Crankshaft
2. Connecting rod
3. Feeler gauge
CONNECTING ROD BIG END AXIAL PLAY
NEW
SERVICE LIMIT
Connecting Rod Big End Radial Play
Place crankshaft in a centering device.
above.
BALANCE
0.317 to 0.643 mm
(.0125 to .0253 in)
0.700 mm (.0276 in)
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