Crankcase Assembly - BRP BOMBARDIER DS250 2006 Shop Manual

Section 03 ENGINE
Subsection 10 (CRANKSHAFT AND CRANKCASE)
Balance Shaft Bearing
Check bearings on right and left crankcase halves.
Manually turn the bearing to see if it turns freely,
smoothly and noiselessly. Check for radial and ax-
ial play.
If any defect is detected, replace bearing with a
new one.
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Use a suitable bearing puller to remove bearings
from balance shaft.

CRANKCASE ASSEMBLY

Install wave washer into right half crankshaft bear-
ing seat.
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Install crankshaft in the right half crankcase. Align
connecting rod in opening.
96
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Align the position dot on the balance shaft drive
gear with dot of driven gear. Then, install balance
shaft into right half crankcase.
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Install dowel pins and a new gasket.
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Install the left half crankcase onto the right half
crankcase.
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