2007 Yamaha Apex Factory Service Manual, Page 256Get this manual

2007 Yamaha Apex Factory Service Manual, Page 256

ELECTRICAL STARTING SYSTEM Inspection 1Inspect: Commutator (outer surface) DirtyClean with #600 grit sandpaper Hold the armature
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
and the insulation check Measure the armature coil resistancesArmature coil resistance: Continuity check: 0.008 0.010 at