2007 Arctic Cat ATVs factory service and repair manual, Page 246Get this manual

2007 Arctic Cat ATVs factory service and repair manual, Page 246

2Acceptable outside diameter range must be within specificationsInstalling Valves 1Apply grease to the inside surface of
dome, and skirt areas3Inspect the piston for seizure marks or scuffingRepair with #400 grit wet-or-dry sandpaper and water
or honing oil1 NOTE: If scuffing or seizure marks are too deep to correct with the sandpaper, replace the piston Towards
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-groove4Place
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 groovePage: 246