2.18
MAINTENANCE
9923523 -
RANGER
RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Engine Breather Hose Inspection
The engine is equipped with a breather hose. Inspect the
breather hose fo r po ssible kinks or we ar. The hose is
form fitted for a proper fit. Follow the breather hose from
the engine crankcase to the a ir intake baffle box on the
left-hand rear fender panel.
NOTE: Make sure line is not kinked or pinched.
Engine and Transmission Mounts
Periodically inspect engine and transmission mounts for
cracks or damage.
Refer to Chapter 3 “Engine Assembly and Installation” for
mounting fastener torque values.
Compression Test Specification
NOTE: This en gine does ha ve decompression
components.
A smooth idle generally indicates good compression. Low
engine compression is rarely a factor in running condition
problems above idle speed.
Valve Clearance Inspection
IMPORTANT: Valve cl earance i nspection should be
performed on a cold engine, at room temperature.
1. Remove the seats and disconn ect th e ne gative ( -)
battery cable.
2. Remove the cargo box access panel.
3. Remove the spar k plug wire from the en gine an d
remove the spark plug. Place a clean shop towel into
the spark plug tube to prevent debris from entering the
combustion chamber.
4. Remove the (3) T40 bolts retaining the valve cover.
5. Remove the valve cover from the engine out of the
right-hand rear wheel well area.
6. Remove the outer PVT cover and drive belt as shown
in chapter 6.
Cylinder Compression:
80 - 120 psi (decompression)
Breather
Hose
Summary of Contents for 2012 RANGER RZR 570
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