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3.39

9925723 R01 - 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 spring

and the

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

out,

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

or brush.

2. Check valve face for runout, pitting, and burnt spots.

To check for bent valve stems, mount valve in a drill

or use “V” blocks and a dial indicator.

3. Check the end of the valve stem for flaring, pitting,

wear or damage.

4. Inspect split keeper groove for wear or flaring in the

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.

ENGINE / COOLING SYSTEM

Polaris 2015 RZR 900 Service Manual

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