2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 184Get this manual
4In order on the crankshaft, install washer, ring gear, key, and the magneto rotorSecure with the nut (threads coated with red Loctite #271)Tighten to 116 ft-lbCD934
6Install the shift cam stopper, spring, and two washers; then coat the threads on the mounting stud with red Loctite #271 and install the nutTighten securelyCD948A