Page 225 - Manual_Polaris_RZR_ProXP-20-21

ENGINE / COOLING SYSTEM

PISTON / CONNECTING ROD 3. Place piston w on connecting rod e. Push piston pin
ASSEMBLY r through rod and piston until it seats against the
installed circlip.
1. Lubricate connecting rod small end, piston pin bore
and piston pin with engine oil.
CAUTION
CAUTION Do not tap on pin or cause any sideways force to
connecting rod. Warm piston crown with a heat gun if
Do not re-use circlips. Circlips become deformed during pin cannot be installed by hand, or use a piston pin
the removal process.
installation tool.
Do not compress the new clip more than necessary to DO NOTapply heat to piston rings or a loss of radial
prevent loss of radial tension. Severe engine damage tension could result. 3
may result if circlips are re-used or deformed during
installation.

2. Install a new circlip q on one side of piston with gap
at the top (12:00 position).

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.
IMPORTANT
Never re-use a piston pin circlip.
If reinstalling the original connecting rods, orientate the
rods the same as when removed. If new connecting
rods are being installed, they can be installed either
way (there is no piston pin offset in the rod), however it
is recommended they be installed with rods facing the
same direction.

9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual 3.81
© Copyright Polaris Industries Inc.