Piston / Connecting Rod Assembly - Polaris RANGER ETX 2015 Owner's Manual

PISTON / CONNECTING ROD ASSEMBLY

1. Lubricate connecting rod small end, piston pin bore
and piston pin with engine oil.
CAUTION
Do not re-use circlips. Circlips become deformed during
the removal process.
Do not compress the new clip more than necessary to
prevent loss of radial tension. Severe engine damage
may result if circlips are re-used or deformed during
installation.
2. Install a new circlip on one side of piston with gap at
the top (12:00 position) or bottom (6:00 position).
NOTE
Never re-use a piston pin circlip.
3. When installing the piston, be sure the piston
marking "EX" is positioned towards the exhaust side
of the engine.
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4. Place piston on connecting rod
e
through rod and piston until it seats against the
installed circlip.
NOTE
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.
9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
DO NOT apply heat to piston rings or a loss of
5. Install the remaining circlip
(12:00 position) or bottom (6:00 position). Push the
piston pin in both directions to make sure the clips
are properly seated in the groove.
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. Push piston pin
ENGINE / COOLING SYSTEM
CAUTION
radial tension could result.
r
with gap at the top
3
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