2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 340Get this manual
1 111' unit BRKT Bracket Checking the power trim and tilt motor
1Check the commutator for dirt or foreign substancesClean with #600 grit sandpaper if necessary
Armature coil continuity Commutator segmentsSegment-laminations
S62Y7900
Continuity No continuity No continuity
Segment-shaft
Check the commutator undercut for dirt or foreign substancesClean with compressed air if necessaryMeasure the commutator diameter Replace if out of specificationCheck the circuit breaker for continuityReplace if there is no continuityS62Y7930