1985-1986 Honda Fourtrax 125 TRX125 Shop Manual, Page 128Get this manual
SUB-TRANSMISSION
SUBTRANSMISSION DISASSEMBLY
Remove the seatShift the transmission into neutralRemove the reverse stopper shaft leverRemove the reverse cable stay moun ing boltRemove the air cleaner tube and disconnect the reverse switch wireDrain the engine oil (page 22)
REVERSE STOPPER SHAFT LEVER BOLT
NEUTRAL INDICATOR
Remove the E-clip neutral indicator and indicator