Valve Inspection - Polaris 2015 RZR 900 Service Manual

2. Compress the valve spring by hand using valve
spring compressor adapter (PV-43513-A).
3. Push down on spring and remove split keepers
4. Slowly release valve spring pressure and remove the
compressor adapter.
5. Remove the valve retainer
valve stem seal / seat . Discard the valve seal.
NOTE: Replace valve seals whenever cylinder
head is disassembled. Hardened, cracked or
worn seals will cause excessive oil consumption.
6. Lift up the cylinder head and push the valve
keeping it in order for reassembly in the same valve
guide.
7. Repeat the previous steps to remove the remaining
valves.
8. Clean the combustion chamber and head gasket
surface.

Valve Inspection

1. Remove all carbon from valves with a soft wire wheel
2. Check valve face for runout, pitting, and burnt spots.
3. Check the end of the valve stem for flaring, pitting,
.
4. Inspect split keeper groove for wear or flaring in the
, valve spring and the
out,
9925723 R01 - 2015 RZR 900 Service Manual
© Copyright 2014 Polaris Industries Inc.
ENGINE / COOLING SYSTEM
or brush.
To check for bent valve stems, mount valve in a drill
or use "V" blocks and a dial indicator.
wear or damage.
keeper seat area.
NOTE: The valves can be re-faced or end
ground, if necessary. They must be replaced if
extensively worn, burnt, bent or damaged.
3
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