3
9928491 R04 - 2017-2018 RZR XP Turbo / XP4 Turbo Service Manual
© Copyright Polaris Industries Inc.
3.49
ENGINE DISASSEMBLY / INSPECTION - TOP END
VALVE COVER REMOVAL
NOTE
The valve cover can be removed with the engine
installed in the chassis.
1. Remove the four valve cover shoulder bolts
q
and
isolators
w
using a T40 driver.
IMPORTANT
Replace rubber isolators upon assembly.
2. Remove valve cover
e
and valve cover seal
r
.
Replace isolators and valve cover seal if oil leaks are
evident.
3. If tearing down the top end of the engine, remove the
spark plugs. Stuff spark plug holes with clean shop
towels to prevent any debris from falling into the
combustion chamber.
CAMSHAFT REMOVAL
NOTE
The camshafts can be removed with the engine
installed in the chassis.
1. Rotate the engine so the PTO cylinder is at Top Dead
Center (TDC) to relieve most of the valve spring
pressure. The camshaft lobes
q
should face out and
the slots on the end of the camshafts
w
should line
up .
2. Remove the fasteners retaining the cam chain
tensioner
e
to the cylinder. Use a new tensioner
gasket
r
upon assembly.
3. Remove the two bolts retaining the fixed cam chain
guide
t
and remove the assembly from the engine.
ENGINE / COOLING SYSTEM
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