Crankcase Breather Service; Crankcase Separation - Polaris RANGER 500 2017 Service Manual

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CRANKCASE BREATHER SERVICE

The crankcase breather is serviceable with the engine

assembled and installed in the vehicle chassis.

1. Remove the crankcase vent tube (if not already

2. Remove the two fasteners securing the engine

breather cover to the engine.

3. Remove the breather cover gasket and replace if

4. For reassembly, thoroughly clean the crankcase and

breather cover mating surfaces. Install a new gasket

and torque the two fasteners to specification.

Crankcase Breather Cover Bolts:

9 ft-lbs (12 Nm)

9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual

ENGINE / COOLING SYSTEM

Before the crankcase can be separated, be sure the

entire top end and oil pump assembly are removed

from the engine as outlined in this chapter.

1. Rotate the engine on the engine stand so the

magneto side is facing upward.

2. Remove the oil filter and the three fasteners

lbs (28Nm) apply loctite 272) that secure oil filter

to the crankcase. Discard O-rings and

through clean the adaptor for reassembly.

3. Remove and discard the fifteen flange bolts from

magneto side crankcase evenly in a criss-cross

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