2008 Arctic Cat ATVs factory service and repair manual, Page 297Get this manual
8Install the cam chain over the cam drive sprocket; then secure the chain out of the way to prevent it from falling into the crankcase 11Clean any oil or grease from the crankshaft and rotorlflywheel and secure with the flange nut Tighten to 118 ft-lb
Do not turn the engine with the cam chain loose or severe engine damage will occur
9Install the starter driven gear; then install the key in the crankshaft