Piston Ring Removal; Piston Ring To Groove Clearance Inspection - Polaris RZR 900 2015 Service Manual

ENGINE / COOLING SYSTEM

PISTON RING REMOVAL

1. Carefully remove top compression ring
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
3. The oil control ring
consisting of a top and bottom steel rail and a center
expander section. Remove top rail first, then bottom
rail, then the expander.
9926814 R08 -
3.118
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by hand or
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e
is a three piece design
2015-2016 RZR 900
PISTON RING TO GROOVE CLEARANCE
INSPECTION
1. Measure piston ring to groove clearance
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.
Piston Ring to Groove Clearance:
.0007 - .0023" (0.020 - 0.060 mm)
.
MEASUREMENT
Top / Second Ring:
Service Limit:
.0047" (0.12 mm)
2016 RZR S 1000 Service
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by
Manual