2004 Arctic Cat ATVs factory service and repair manual, Page 271Get this manual
2Acceptable inside diameter range must be within specificationsMeasuring Rocker Arm Shaft (Outside Diameter) 1Using micrometer,
sandpaper and water or honing oil2Insert each valve into its original valve location 3Install the valve springs with the
painted end of the spring facing away from the cylinder headI NOTE: If the painted end is not visible, install the ends of
the springs with the closest coils toward the head Towards I NOTE: If scuffing or seizure marks are 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 4Place spring retainer over the valve springs;
then using the valve spring compressor, compress the valve springs and install the valve cotters 1Starting with the top ring,