2004 Polaris Touring Service Manual, Page 107Get this manual
ENGINE 10Lubricate and install new connecting rod small end bearing in rod11Install remaining C-clip with gap up or downBe sure both clips are fully seated in the groove
C-Clip Installation Tool PN 287262222mm for Large Block (700-800 Domestic Engines)
Up 12Install pistons and ringsMake sure C-clips are firmly seated in groovesNOTE: Keystone ring bevel must be upMarking near ring end gap faces upwardStraight Edge
Piston Ring Cutaway Keystone Piston Ring
13Lubricate pistons, rings, upper rod bearing, and cylinders with two stroke oil and install cylindersAlign ring end gaps with locating pins and compress ringsInstall cylinder carefully with gentle front to rear rocking motionLoosely install the cylinder nuts