2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 126Get this manual

2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 126

8Remove the cam chain tensioner by lifting it from the chain cavity; then remove the two lower nuts securing the cylinder
cam sprocket are longer than the two cap screws on the left (spark plug) side 7Note the timing marks for installing purposes;
then drop the sprocket off the camshaftWhile holding the chain, slide the sprocket and camshaft out of the cylinder headAccount
for an alignment pin 10Remove the cylinder head from the cylinder, the gasket, and account for two alignment pms NOTE: Loop