2008 Arctic Cat ATVs factory service and repair manual, Page 121Get this manual
2If damaged, the camshaft must be replaced Installing Top-Side Components
APiston BCylinder
INOTE: If the piston rings were removed, install them in this sequence
Incorrect installation of the piston rings will result in engine damage
1Install the piston on the connecting rod making sure there is circlip on each side and the open end of the circlip is directed upwards or downwardsINOTE: The piston should be installed so the arrow points towards the exhaust
AInstall ring expander (4) in the bottom groove of the piston; then install the thin oil rings (3) over the expander making sure the expander ends do not overlapStagger the end gaps of the upper and lower thin oil rings according to the illustration#1 Compression
Ring End Gap #3 Thin #3 Thin Oil Ring Oil Ring End Gap End Gap