1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 317Get this manual
Quality of the image is intentionally reduced!
ELECTRIC STARTING SYSTEM
STARTER MOTOR INSPECTION 1.1nspect: Commutator Clean it with #600 grit sandpaperDirty 2.Measure: Commutator diameter Out of specification Replace the motorOutside diamet