Polaris 850 PRO-RMK 155 2.6" QD 2021, Manual

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9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
3. Install the oil check valve fitting into the crankcase
using the Check Valve Fitting Press tool or a punch.
Check Valve Fitting Press Tool:
PS-52798
NOTICE
Ensure the fitting is fully seated and properly orientated.
If the engine is installed in the snowmobile, the box
end of a long ratchet extension can placed over the
end Check Valve Fitting Press Tool to install the PTO
oil check valve fitting into the crankcase.
NOTICE
Image for reference only. Be careful not to damage any
wiring when sliding the ratchet extension down behind
the air intake side tube.
q
Ratchet Extension
e
PTO Oil Check Valve
Fitting
w
Check Valve Fitting
Press Tool
CROSS SHAFT OIL GALLERY OUTLET
CHECK VALVE
One oil injector check valve
q
is pressed into the upper
crankcase.
ENGINE / COOLING / EXHAUST