Piston Ring Removal - Polaris RZR XP Turbo Service Manual

ENGINE / COOLING SYSTEM
2. Remove piston circlips
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.
3. Measure piston pin bore I. D. in two directions (90°
apart). Replace piston and piston pin if out of
specification.
MEASUREMENT
Piston Pin Bore I.D.:
.8665 - .8668" (22.009 - 22.017 mm)
Service Limit:.8678" (22.042 mm)
3.68
w e
and push piston pin 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.
.8659 - .8661" (21.995 - 22.000 mm)
Service Limit: .8651" (21.975 mm)

PISTON RING REMOVAL

1. Carefully remove top compression ring
using a ring removal pliers.
• Piston ring pliers: Carefully expand ring and lift it off
the piston.
• By hand: Placing both thumbs on the ring ends,
spread the ring open and push up on opposite side. Do
not scratch ring lands.
DO NOT expand the ring more than necessary to
remove it from the piston or the ring may break or lose
2. Repeat procedure for second compression ring
9928491 R04 - 2017-2018 RZR XP Turbo / XP4 Turbo Service Manual
MEASUREMENT
Piston Pin O.D.:
q
CAUTION
radial tension.
© Copyright Polaris Industries Inc.
by hand or
w
.