3.51
ENGINE / COOLING
3
9924125 - 2013 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2012 Polaris Sales Inc.
10. Lubricate connecting rods with synthetic engine oil.
11. Install new cylinder gasket on crankcase. Align gasket
o
n the dowel pins for proper gasket alignment.
12. Orientate the piston rings on the piston before
in
stallation into the cylinders. Set the gaps of the rings
every 120° (see illustration below).
13. Install piston assemblies into cy
linder 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
c
lose to the same diameter as the wrist pin holes to
properly align them in the cylinder.
14. Position cylinder and piston assemblies onto the
co
nnecting rods and push the piston pins through the
piston and connecting rods.
15. Install the piston pin circlips. The circlip ends should
b
e installed at the 12 O'clock position.
Piston Ring
Orientation
1
2
3
1. Top Ring
2. Second Ring
3. Oil Ring
Piston Pin Cirlcip in
12 O’clock position