1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 70Get this manual
6ALTERNATOR SERVICE INFORMATION ALTERNATOR REMOVAL
ALTERNATOR INSTALLATION BALANCER BEARING HOLDER
SERVICE INFORMATION
GENERAL
This section covers removal and installation of the alternatorThese operations can be done with the engine installed after removing the left crankcase cover For alternator inspection and troubleshooting, refer to section 15 The balancer bearing holder can be serviced with the engine in the frame, after removing the balancer (section 7)