3.60
9926816 R07 - 2014-2016 RZR XP 1000 / XP4 1000 Service Manual
© Copyright Polaris Industries Inc.
PISTON RING REMOVAL
1. Carefully remove top compression ring
q
by hand or
using a ring removal pliers.
CAUTION
DO NOT expand the ring more than necessary to
remove it from the piston or the ring may break or lose
radial tension.
• 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.
2. Repeat procedure for second compression ring
w
.
3. The oil control ring
e
is a three piece design
consisting of a top and bottom steel rail and a center
expander section. Remove top rail first, then bottom
rail, then the expander.
PISTON RING TO GROOVE CLEARANCE
INSPECTION
1. Measure piston ring to groove clearance
q
by
placing the ring in the ring land and measuring with a
thickness (feeler) gauge. Replace piston and rings if
ring-to-groove clearance exceeds service limits.
MEASUREMENT
Piston Ring to Groove Clearance:
Top / Second Ring:
.0007 - .0023" (0.020 - 0.060 mm)
Service Limit:
.0047" (0.12 mm)
ENGINE / COOLING SYSTEM
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