Cylinder Installation - Polaris 2012 RANGER RZR 570 INTL Service Manual

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 free. Use care upon assembly to keep oil away.
3. Slide a commercially available Piston Support Block
under piston skirt as shown to support piston during
cylinder installation.
Image for Reference Only
4. Apply clean eng ine oil to cylin der bor e an d bo ttom
tapered 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 cylind er 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
9. Hold the cylinder in place and rotate the engine and
NOTE: If cam c hain a nd fl ywheel a re installed (top
end 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.
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
ENGINE / COOLING SYSTEM
gasket.
position the piston at TDC.
3
3.55