1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 154Get this manual
CRANKCASECRANKSHAFTITRANSMISSION Drive new bearing into the output gear case
TOOLS: Driver Attachment42 47 mm Pilot20 mm
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Clean the output gear case in non-flammable solvent and blow dry with compressed air
Do not spin the bearing with compressed air, it could explode and cause personal injury
DRIVEN GEAR SHAFT BEARING REPLACEMENT
Remove the bearing stopper from the right crankcase Remove the needle bearing using the special tools