3.76
ENGINE / COOLING SYSTEM
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Crankcase Breather Service
NOTE: Th e cran kcase breather is se rviceable with
the e ngine as sembled and in stalled in t he v ehicle
chassis.
1. Remove th e cr ankcase vent tu be (if no t alr eady
p
erformed).
2. Remove th e (2 ) fa steners s ecuring th e e ngine
b
reather cover to the engine.
3. Remove the b reather cove r g asket a nd replace if
d
amaged.
4. For reassembly, thoroughly clean the crankcase and
b
reather cover mating surfaces. Install a new gasket
and torque the (2) fasteners to specification.
Crankcase Separation
NOTE: Before th e cr ankcase ca n be sep arated, b e
sure the entire top en d and oil pump ass embly ar e
removed from the engine as outlined in this chapter.
1. Rotate the e ngine on the e ngine stand so the
mag
neto side is facing upward.
2. Remove the oil filter and the (3) fasteners that secure
o
il filter adapter (A) to the crankcase. Discard O-rings
and through clean the adaptor for reassembly.
3. Remove and discar d the ( 15) flan ge bolts fro m
mag
neto side cr ankcase evenly in a cr iss-cross
pattern.
To Intake
Baffle Box
9 ft. lbs.
(12 Nm)
A
20 ft. lbs.
(28 Nm)
Apply Loctite® 272™
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