Polaris RANGER XP 900 2013 Manual page 99

ENGINE
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.
The valves can be re-faced or end ground, if necessary.
They must be replaced if extensively worn, burnt, bent
or damaged.
5. Measure diameter of valve stem with a micrometer in
three places, then rotate 90° and measure again
(take six measurements
specifications.
MEASUREMENT
Valve Stem Diameter:
Intake: 0.2155" - 0.2161" (5.475 - 5.490 mm)
Exhaust: 0.2147" - 0.2153" (5.455 - 5.470 mm)
3.42
NOTE
total). Compare
9924880 Rev 2- 1/10/2014 - 2013 / 2014 RANGER XP 900 - 2014 RANGER XP 900 / CREW 900 Service Manual
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.
MEASUREMENT
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.
to
Valve Guide I.D.:
NOTE
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