3
9850045 R01 - 2020-2021 RANGER 1000 Service Manual
© Copyright Polaris Inc.
3.65
CYLINDER INSPECTION
1. Lay a straight edge
q
across the top surface of the
cylinder at several different points and measure warp
by inserting a feeler gauge between the straight edge
and the cylinder surface. If warp exceeds the service
limit, replace the cylinder.
MEASUREMENT
Cylinder Warp Limit:
.002″ (0.05 mm)
2. Inspect cylinder for wear, scratches, or damage.
IMPORTANT
DO NOT hone the cylinders or attempt to repair a
damaged cylinder by honing.
3. Inspect taper and out of round with a dial bore gauge.
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 the bottom).
5. Record measurements. If cylinder is tapered or out of
round beyond specification, the cylinder must be
honed, bored or replaced.
MEASUREMENT
Cylinder Taper:
.001″ (0.025 mm)
Cylinder Out of Round:
.001″ (0.025 mm)
MEASUREMENT
Standard Bore Size:
3.6614 ± .0003" (93 mm ± 0.008 mm)
ENGINE / COOLING / EXHAUST
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