3
9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
© Copyright Polaris Industries Inc.
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3. Place piston
w
on connecting rod
e
. Push piston pin
r
through rod and piston until it seats against the
installed circlip.
CAUTION
Do not tap on pin or cause any sideways force to
connecting rod. Warm piston crown with a heat gun if
pin cannot be installed by hand, or use a piston pin
installation tool.
DO NOT apply heat to piston rings or a loss of radial
tension could result.
4. Install the remaining circlip
t
with gap at the top
(12:00 position). Push the piston pin in both directions
to make sure the clips are properly seated in the
groove.
PISTON / CYLINDER INSTALLATION
CAUTION
Pistons must be installed into the cylinders with the
connecting rods attached.
DO NOT attempt to service the cylinder or pistons
without disassembling the crankcase. Although you can
remove the cylinder and pistons without disassembly,
you will not be able to reassemble the engine because
of the unique cylinder skirt and crankcase design.
IMPORTANT
If the pistons are being reused, reassemble in the same
cylinder bore and direction from which they were
removed (MAG / PTO).
CAUTION
The pistons ARE directional. The relief pockets in the
pistons must face the intake side and the arrow points
towards the exhaust side.
1. Apply clean engine oil to each piston assembly
q
and cylinder bore prior to installation.
ENGINE / COOLING SYSTEM
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