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

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3.82
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
ENGINE DISASSEMBLY / INSPECTION -
BOTTOM END
GENERAL INFORMATION - BOTTOM END
NOTICE
The engine must be removed from the chassis to
service the Crankcase and Crankshaft.
Refer to the applicable sections of the service manual for
engine removal procedure.
IMPORTANT
Use Digital Wrench to reset the oil pump enrichment
mode timer if the piston(s), cylinder(s), or crankshaft
are serviced / replaced.
CRANKCASE DISASSEMBLY
1. Remove the ten inner crankcase fasteners
q
from the
locations indicated below.
NOTICE
The inner crankcase fasteners are longer than the outer
crankcase fasteners.
2. Loosen the seven outer crankcase fasteners
w
to
reveal about a 1/6"-1/8" bolt gap.
3. Once loosened, carefully and lightly tap on the
fasteners to separate the crankcase halves.
4. Finish removing the outer crankcase fasteners.
ENGINE / COOLING / EXHAUST