2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 183Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 183

3Loosen the cap screw on the end of the tensioner; then remove the two Allen-head cap screws securing the tensioner adjuster
then remove the C-ringNOTE: Care should be taken not to drop the C-ring down into the crankcase 7While holding the chain,
slide the sprocket and camshaft out of the cylinder head NOTE: Loop the chain over the cylinder and secure it to keep it
from falling into the crankcaseCC012D 5Bend the washer tabs down and remove the two cap screws securing the sprocket to the