Cylinder Inspection - Polaris Sportsman 400 Service Manual

ENGINE

CYLINDER INSPECTION

1. Remove all gasket material from the cylinder sealing
surfaces.
2. Inspect the top of the cylinder for warpage using a
straight edge and feeler gauge.
Cylinder Warpage:
.002" (.05 mm)
3. Inspect cylinder for wear, scratches, or damage.
4. Inspect cylinder for taper and out of round with a
telescoping gauge or a dial bore gauge. Measure in
two different directions, front to back and side to side,
on three different levels (1/2" down from top, in the
middle, and 1/2" up from bottom).
3.40
- projex@inbox.lv -
1/2" Down From Top of Cylinder
Y
X
Y
X
Y
X
1/2" Up From Bottom