3.42
ENGINE / COOLING SYSTEM
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Cylinder Head Removal
NOTE: The cy linder hea d ca n be se rviced with the
engine installed in the chassis.
IMPORTANT: Do not rotate head assembly up side-
do
wn unt il the valve buck ets and shims hav e been
removed.
1. Remove and discard the (2) outer M6 bolts (A) that
r
etain the cylinder head (B) and the cylinder.
2. Loosen the (4) cylinder head bolts (C) evenly 1/8 turn
(
60 degrees) at a time until all are loose.
3. Remove an d d iscard the cylin der h ead bo lts ( C).
Replace with ne
w upon assembly.
4. Tap cyl inder he ad lightly with a soft faced hammer
un
til loose. Tap only in reinforced areas or on thick
parts of the cylinder head casting.
5. Remove the cylinder head (B) and head gasket (D).
Cylinder Head Disassembly
IMPORTANT: Keep mated parts together and in order
with respect to their location in the cylinder head for
assembly purposes. It is important to install cylinder
head components b ack in the same lo cation. M ark
each component or place them in an organized rack
as you remove them.
1. Remove the valve bu cket ( F) an d a djustment shim
(
G) from the cylinder head.
2. Compress the valve spring by hand using valve spring
co
mpressor adapter (PV-43513-A).
Wear eye protection during cylinder head
disassembly and reassembly or when working
with the valve springs.
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