3.55
ENGINE / COOLING SYSTEM
3
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Cylinder Installation
1. Clean b ase g asket se aling su rface on c ylinder and
crankcase to remove all oil, grease, or old sealant.
2. Install a new base gasket.
NOTE: Base gasket and s urfaces must be DRY and
oil f
ree. Use care upon assembly to keep oil away.
3. Slide a commercially available Piston Support Block
u
nder piston skirt as shown to support piston during
cylinder installation.
4. Apply clean eng ine oil to cylin der bor e an d bo ttom
tap
ered portion of cylinder sleeve.
5. Verify all ring end gaps are correctly located on piston.
Place
cam chain and guides in alignment with chain
room.
6. Carefully compress rings with
fingers or commercially
available spring compression tool and install cylinder
with a slight front to back rocking motion until all rings
are captive in cylinder and past the taper of the sleeve.
7. Remove support block and ring compressor.
8. Push cylinder downwa rd un til fu lly se ated on base
gasket.
9. Hold the cylinder in place and rotate the engine and
p
osition the piston at TDC.
NOTE: If cam c hain a nd fl ywheel a re installed (top
e
nd work only is be ing pe rformed) hold c am ch ain
tight wh ile r otating the en gine t o a void d amage t o
the chain, drive sprocket teeth, or tensioner blade.
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