1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 274Get this manual
FRONT DRIVING MECHANISM (TRX300FW) Install the bearing on the drive shaft with the small end of the bearing facing the inside of the drive shaftInstall the snap ring securely in the groove of the drive shaft
(2) SNAP RING
Apply molybdenum disulfide grease to the bearing and inside of the inboard jointInstall the inboard joint to the drive shaftInstall the stopper ring in the joint groove