2008 Arctic Cat ATVs factory service and repair manual, Page 227Get this manual
16Instal1 the first cap screw (threads coated with red Loctite #271) securing the sprocket and tab-washer to the camshaftTighten only until snug 20Install the cylinder head plug in the cylinder head with the opening of the plug directed downward and toward the inside
17Rotate the crankshaft until the second cap screw securing the sprocket to the camshaft can be installed; then install the cap screw (threads coated with red Loctite #271) and tighten to 11 ft-lbBend the tab to secure the cap screw
2 1Place the cam chain tensioner guide into position and secure with the cap screw and washer