2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 178Get this manual

2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 178

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Power trim and tilt motor 5 Check the circuit breaker for continuityReplace if there is no continuity Commutator diameter wear limit: 21.0 mm (0.83 in) 3 Measure the commutator undercut aReplace the a