Polaris 850 MATRYX INDY XC 129 2021 Manual page 172

ENGINE / COOLING / EXHAUST
10. Remove the crankshaft
out. Inspect as required
NOTICE
Crankcase ring land damage in the area shown is
caused by improper crankshaft removal.
11. Discard the PTO and MAG crankshaft seals.
3.18
r
by pulling it straight up and
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
12. With the upper crankcase half removed, remove the
t
oil check valve fitting
from the top side.
NOTICE
Note the orientation of the fitting to ensure proper
installation.
13. Apply a drop of green Loctite 603 to the new oil check
y
valve fitting barrel .
IMPORTANT
Be careful not to drip any Loctite on the inlet ports or
outlet of the check valve fitting.
using a punch to extract it
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