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ENGINE
9923142 - 2011 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2010 Polaris Sales Inc.
Cylinder Inspection
1. Remove gasket material from cylinder sealing surfaces.
2. Inspect the top of the cylinder (B) for warp using a straight
edge (A) and feeler gauge (C). Refer to Ill. 1 and Ill. 2.
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). Record measurements. If cylinder is
tapered or out of round beyond .002", the cylinder must be
replaced.
= In. / mm.
Cylinder Warp: .004" (0.1 mm) Max.
Measure at different
points on surface.
A
B
A
B
C
= In. / mm.
Cylinder Taper Limit:
.002" (.050 mm) Max.
Cylinder Out of Round:
Limit: .002" (.050 mm) Max.
Standard Bore Size
(Both Cylinders): 3.1496" (80 mm)
1/2” Down From Top of Cylinder
1/2” Up From Bottom