2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 110Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 110

AInstall thin oil ring (3), ring expander (4), and thin oil ring (3) in the bottom groove of the pistonStagger the end gaps
place piston holder (or suitable substitute) beneath the piston skirt and square the piston in respect to the crankcase ;;ATV-1024
CAUTION 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 faces upwards NOTE: The piston should be installed
so the arrow points towards the front 3Lubricate the inside wall of the cylinder; then using ring compressor or the fingers,
compress the rings and slide the cylinder over the piston Route the cam chain up through the cylinder cam chain housing;