Polaris RZR PRO R User Manual

3.46
9940259 R02 - 2022 RZR PRO R / PRO R 4 Service Manual
© Copyright Polaris Industries Inc.
CAMSHAFT TIMING CHAIN AND
SPROCKET CLEANING AND
INSPECTION
1. Inspect the timing chain guides
q
,
r
,
y
,
o
, and
a
for cracking or wear.
NOTICE
Items
r
and
a
may be able to be installed upside-
down. Make sure all guides are in the proper orientation
before final assembly.
2. Replace the timing chain guides if excessive wear is
present on the chain guide surface.
NOTICE
For new guide installation, put assembly grease on the
guides to aid in installation. DO NOT use molylube!
3. Release the tension on the water pump guide
o
before proceeding with timing chain install.
4. Replace the timing chain tensioner shoe if wear
exceeds 0.045 in (1.12 mm) depth on the chain guide
surface.
5. Inspect the timing chain
w
and actuators
e
,
i
for
wear.
6. Inspect the oil / water pump chain
t
for wear.
7. Check to ensure pump drive shaft & bearing are
installed straight, make sure they spin freely.
8. Inspect the camshaft sprocket faces for signs of
movement.
9. Inspect the camshaft sprocket teeth and chain for
signs of excessive wear, chipping, or seizure of the
timing chain links.
10.Verify oil nozzle oil flow with compressed air.
11. Inspect the timing chain tensioner
u
for scoring or
free movement. If damaged, replace the timing chain
tensioner.
12.Turn the engine over after the chains have been
installed to verify smooth operation.
ENGINE / COOLING SYSTEM

Polaris RZR PRO R Specifications

General

Brand	Polaris
Model	RZR PRO R
Category	Offroad Vehicle
Language	English