1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 286Get this manual
276 assembly is removedClean the flywheel, as necessary14Place the Woodruff key (Figure 14) into the slot in the crankshaftCAUTION Be sure the key is seated properly before installing the flywheelIf the flywheel catches on the Woodruffkey, the flywheel may not seat properly
CHAPTER NINE