Engine Assembly - Top End (900 / 1000); Cylinder Head Assembly - Polaris RANGER XP 900 2018-2019 Service Manual

ENGINE ASSEMBLY - TOP END (900 / 1000)

CYLINDER HEAD ASSEMBLY

NOTICE
Assemble the valves one at a time to maintain proper
order.
CAUTION
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 (A) in the cylinder head, through the
guide.
4. Carefully install a new valve seal / seat (B) on the
valve guide with a rotating motion. Push firmly until
seated in retaining groove and square with the guide
CAUTION
Valve seals should be installed AFTER the valves are in
the head to avoid valve seal damage.
5. Dip the valve spring (C) and retainer (D) in clean
engine oil.
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
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ENGINE / COOLING / HVAC SYSTEM
6. Install the valve spring (C) with tightly spaced coils
facing down toward the cylinder head.
NOTICE
Valve springs to be installed with paint mark facing up.
7. Place the valve retainer (D) 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.
CAUTION
To prevent damage to the valve seals, do not compress
the valve spring more than necessary to install the
keepers.
9. Install split keepers (E) with gap even on both sides.
10. Repeat this procedure for remaining valves.
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