1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 313Get this manual
ELECTRIC STARTING SYSTEM
3.Starter motor Connect the battery positive terminal CD and starter motor cable using jumper lead Check the operation of the starter motor
WARNING wire that is used as jumper lead must have the equivalent capacity or more as that of the battery lead, otherwise the jumper lead may burn This check is likely to produce sparks, so be sure that no flammable gas or fluid is in the vicinityDOES NOT TURN