3
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
3.85
5. Carefully lift straight up and remove the lower
crankcase half
e
.
NOTICE
Crankcase ring land damage in the area shown is
caused by improper crankcase separation.
6. Thoroughly clean the two crankcase mating surfaces
with acetone. Flush out the crankcase galleries after
the crankshaft and water pump shaft have been
removed.
CRANKSHAFT REMOVAL
NOTICE
If crankshaft replacement is required, the crankshaft
must be replaced as an assembly.
1. Remove the crankshaft
q
by pulling it straight up and
out. Inspect as required
NOTICE
Crankcase ring land damage in the area shown is
caused by improper crankshaft removal.
ENGINE / COOLING / EXHAUST
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