Valve Inspection - Polaris RZR 900 2015 Service Manual

ENGINE / COOLING SYSTEM

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.
9926814 R08 -
3.44
5. Measure diameter of valve stem with a micrometer in
three places, then rotate 90° and measure again
(take six
specifications.
Intake: 0.2155" - 0.2161" (5.475 - 5.490 mm)
Exhaust: 0.2147" - 0.2153" (5.455 - 5.470 mm)
6. Measure valve guide inside diameter at the top,
middle and end of the guide using a small hole
gauge and a micrometer. Measure in two directions.
0.2165 - 0.2171" (5.500 - 5.515 mm)
7. Be sure to measure each guide and valve
combination individually.
The valve guides cannot be replaced.
2015-2016 RZR 900
measurements total).
MEASUREMENT
Valve Stem Diameter:
MEASUREMENT
Valve Guide I.D.:
NOTE
2016 RZR S 1000 Service
© Copyright Polaris Industries Inc.
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