2004 650 Twin Arctic Cat ATV Service Manual, Page 49Get this manual

2004 650 Twin Arctic Cat ATV Service Manual, Page 49

Installing Valves 1Apply grease to the inside surface of the valve seals; then place lower spring seat and valve guide seal
too deep to correct with the sandpaper, replace the piston 4Inspect the perimeter of each piston for signs of excessive "blowby
Excessive "blowby" indicates worn piston rings or an out-of-round cylinderRemoving Piston Rings 1Starting with the top ring,
slide one end of the ring out of the ring-grooveATV-1011A 4Place spring retainer over the valve springs; then using the valve
spring compressor, compress the valve springs and install the valve cotters 2Remove each ring by working it toward the dome
of the piston while rotating it out of the grooveCC132D PISTON ASSEMBLY NOTE: Whenever piston, rings, or pin is out of tolerance,