Polaris 2013 RANGER RZR S Service Manual page 103

10. Lubricate connecting rods with synthetic engine oil.
11. Install new cylinder gasket on crankcase. Align gasket
on the dowel pins for proper gasket alignment.
12. Orientate the piston rings on the piston before
installation into the cylinders. Set the gaps of the rings
every 120° (see illustration below).
Piston Ring
Orientation
1. Top Ring
1
2
3
2. Second Ring
3. Oil Ring
9924125 - 2013 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2012 Polaris Sales Inc.
ENGINE / COOLING
13. Install piston assemblies into cylinder aligning the
piston pin holes, to ensure proper alignment of the
pistons to the connecting rods upon assembly.
Partially install the piston pins into the pistons.
NOTE: To help align the pistons, slide a rod that is
close to the same diameter as the wrist pin holes to
properly align them in the cylinder.
14. Position cylinder and piston assemblies onto the
connecting rods and push the piston pins through the
piston and connecting rods.
Push in Piston Pins
15. Install the piston pin circlips. The circlip ends should
be installed at the 12 O'clock position.
Piston Pin Cirlcip in
12 O'clock position
3
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