Piston Disassembly / Inspection - Polaris RZR PRO XP 2020 Service Manual

PISTON DISASSEMBLY / INSPECTION

NOTICE
New pistons are directional (intake vs. exhaust), but
can be placed in either cylinder. The arrow will point
towards the exhaust side.
1. Note location of the piston circlip gap
(12:00 position).
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2. Remove piston circlips and push piston pin
of piston. If necessary, heat the crown of the piston
slightly with a heat gun if pin cannot be removed by
hand. Discard circlips.
CAUTION
DO NOT apply heat to piston rings or a loss of radial
tension could result.
9930583 R02 - 2020 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
3. Measure piston pin bore I.D. in two directions (90°
apart). Replace piston and piston pin if out of
specification.
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at the top
e
out
4. Measure piston pin O.D. in two directions (90° apart)
at three locations on the length. Replace piston and
piston pin if out of specification.
ENGINE / COOLING SYSTEM
MEASUREMENT
Piston Pin Bore I.D.:
.8665 - .8668" (22.009 - 22.017 mm)
Service Limit:.8678" (22.042 mm)
MEASUREMENT
Piston Pin O.D.:
.8659 - .8661" (21.995 - 22.000 mm)
Service Limit: .8651" (21.975 mm)
3
3.75