2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 294Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 294

14With the cam lobes directed down (toward the piston), maneuver the camshaftsprocket assembly through the chain and towards
end of the camshaftThey must be parallel with the valve cover mating surfaceIf rotating the camshaft is necessary for alignment,
do not allow the chain and sprocket to rotate and be sure the cam lobes end up in the down position 16Place the tab-washer
onto the sprocket making sure it covers the pin in the alignment hole Camshaft Bolt Pin -it'iiiJ 1+Alignment Hole Sprocket
ATV1027 &15Seat the cam sprocket onto the camshaft making sure the alignment pin in the camshaft aligns with the smallest
hole in the sprocket; then place the camshaftsprocket assembly onto the cylinder ensuring the following CAUTION Care must