2008 Arctic Cat ATVs factory service and repair manual, Page 173Get this manual

2008 Arctic Cat ATVs factory service and repair manual, Page 173

3Lubricate the inside wall of the cylinder; then using ring compressor or the fingers, compress the rings and slide the cylinder over the pistonRoute the cam chain up through the cylinder cam chain housing; then remove the piston holder and seat the cylinder firmly on the crankcase

The cylinder should slide on easilyDo not force the cylinder or damage to the piston, rings, cylinder, or crankshaft assembly may occur
A CAUTION
Incorrect installation of the piston rings will result in engine damage