2008 Arctic Cat ATVs factory service and repair manual, Page 122Get this manual
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 cylinder or damage to the piston, rings, cylinder, or crankshaft assembly mav occur
6Place new gasket into position on the cylinderPlace the alignment pins into position; then place the head assembly into position on the cylinder making sure the cam chain is routed through the chain cavity4Loosely install the two nuts with washers which secure the cylinder to the right-side crankcase halfiNOTE: The two cylinder-to-crankcase nuts will be tightened in step 9