3.40
9850067 R01 - 2020-2021
GENERAL
/
GENERAL XP
Service Manual
© Copyright Polaris Inc.
3.
Inspect cylinder for taper and out of round with a dial
bore gauge. Measure in two different directions (front
to back and side to side), on three levels (0.59″ down
from top, the middle, and 1.54″ up from bottom).
Record measurements. If cylinder is tapered or out
of round beyond 0.001", the cylinder must be
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)
CYLINDER / PISTON REMOVAL
IMPORTANT
Pistons must be removed from the cylinders with the
connecting rods attached.
DO NOT attempt to service the cylinder or pistons
without disassembling the crankcase. Although you can
remove the cylinder and pistons without disassembly,
you will not be able to reassemble the engine because
of the unique cylinder skirt and crankcase design.
1.
Perform
ENGINE DISASSEMBLY / INSPECTION -
and
INSPECTION - BOTTOM END page 3.30
and the
procedures.
2.
Rotate the engine so the cylinder is facing up.
3.
Remove the Cylinder Holding & Camshaft Timing
Plate (
PU-50563
)
q
from the cylinder.
4.
Carefully lift the cylinder and pistons from the upper
crankcase.
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