2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 254Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 254

ELECTRICAL STARTING SYSTEM Inspection 1Inspect: Commutator (outer surface) DirtyClean with #600 grit sandpaper Hold the armature
wear limit: 27.5 mm (1.08 in) 3Measure: Mica (insulation depth) (between commutator segments) Out of specificationScrape
mica to proper limits Use hacksaw blade that is ground to fitMica undercut: 1.5 mm (0.059 in) 4Measure: Armature coil resistance
(insulationcontinuity) Defect(s)Replace the starter motorInspection steps: Connect the pocket tester for the continuity check