3
9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
© Copyright Polaris Industries Inc.
3.97
ENGINE ASSEMBLY - TOP END
CYLINDER HEAD ASSEMBLY
NOTE
Assemble the valves one at a time to maintain proper
order.
WARNING
Wear eye protection during cylinder head disassembly
and reassembly or when working with the valve springs.
1. Apply engine oil to valve guides and seats.
2. Coat valve stem with Premium Starter Grease
(2871460).
3. Install the valve
q
in the cylinder head, through the
guide.
4. Carefully install a new valve seal / seat
w
on the
valve guide with a rotating motion. Push firmly until
seated in retaining groove and square with the guide.
NOTE
Valve seals should be installed AFTER the valves are in
the head to avoid valve seal damage.
5. Dip the valve spring
e
and retainer
r
in clean
engine oil.
6. Install the valve spring with widely spaced coils
y
on
the top and tightly spaced coils
u
facing down toward
the cylinder head.
NOTE
Valve springs to be installed with paint mark facing up.
7. Place the valve retainer on the spring.
8. Compress the valve spring by hand using valve
spring compressor adapter (PV-43513-A). Compress
spring only enough to allow split keeper installation.
NOTE
To prevent damage to the valve seals, do not compress
the valve spring more than necessary to install the
keepers.
9. Install split keepers
t
with gap even on both sides.
10.Repeat this procedure for remaining valves.
ENGINE / COOLING SYSTEM
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