Page 119 - Manual Oficina XP 1000 14-16

ENGINE / COOLING SYSTEM

9. Check the condition of each valve spring. Replace if 5. Measure diameter of valve stem with a micrometer in
wear or cracking is present on the spring. three places, then rotate 90° and measure again
(take six measurements total). Compare to
VALVE INSPECTION specifications.
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

MEASUREMENT
Valve Stem Diameter:
Intake:
.2155 - .2161" (5.475 - 5.490 mm)
3. Check the end of the valve stem for flaring, pitting, Exhaust:
wear or damage.
.2147 - .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.

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 MEASUREMENT
or damaged. Valve Guide I.D.:
.2165 - .2171" (5.500 - 5.515 mm)

7. Be sure to measure each guide and valve
combination individually.

NOTE
The valve guides cannot be replaced.

9926816 R06 - 2014-2016 RZR XP 1000 / XP4 1000 Service Manual 3.41
© Copyright Polaris Industries Inc.