1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 142Get this manual

CRANKCASECRANKSHAFTTRANSMISSION
TRANSMISSION
REMOVAL
Temporarily install the gearshift drum bearing stopper plates, dowel pinscollars and shifter plate to prevent the bearing from falling out while disassmbling and assembling the transmission
Pull the shift fork shaft out, and remove the shift forks and shift drum

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