Page 142 - Manual Oficina Polaris RZR 570 13-18

ENGINE / COOLING SYSTEM

CYLINDER HEAD WARP INSPECTION VALVE INSPECTION
1. Lay a straight edge q across the surface of the 1. Remove all carbon from valves with a soft wire wheel
cylinder head at several different points and measure or brush.
warp by inserting a feeler gauge between the straight
edge and the cylinder head surface. If warp exceeds 2. Check valve face for excessive runout, pitting, and
the service limit, replace the cylinder head. burnt spots.
3. To check for bent valve stems, mount valve in “V”
blocks and measure with a dial indicator.

MEASUREMENT
Cylinder Head Warp Limit:
.0024" (0.06 mm)

4. Check the end of the valve stem for flaring, pitting,
wear or damage.

5. 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.

3.44 9926813 R06 - 2013-2016 RZR 570 Service Manual
© Copyright Polaris Industries Inc.