Piston Ring Removal - Polaris Ranger RZR XP 900 2011 Service Manual

ENGINE I COOLING
Piston ring pliers: Carefully expand ring and lift it off
the piston.
A
==
= ; ; :
: =."
=:
=~
CAUTION
DO NOT expand the ring more than necessary
to remove it from the piston or the ring may
3
break or lose radial tension.
• 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 (C).
3. The oil control ring (D) 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.
1. Carefully remove top compression ring (B) by hand or
using a ring removal pliers.
Piston Ring Removal
+
+
~v
(:-~
=
In. I mm.
Piston Pin Bore 1.0.:
0.7877" - 0.7881" (20.009 - 20.018 mm)
Service Limit: 0.7893" (20.05 mm)
4. Measure piston pin O.D. in two directions (90 0 apart) at
three locations on the length. Replace piston and piston pin
if out of specification.
3. Measure piston pin bore I.D. in two directions (90 0 apart).
Replace piston and piston pin if out of specification.
Piston Pin Measurement Locations
,~-
·. .
~ -In./mm.
Piston Pin 0.0.:
0.7873" - 0.7875" (20.000 - 20.005 mm)
Service Limit: 0.7866" (19.98 mm)
3.53
9923144 .. 2011 RANGER RZR XP 900 Service Manual
© Copyright 2011 Polaris Sales Inc.