1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 335Get this manual
STARTER SYSTEM Install the shims to the terminal and armature coilNOTE Install the shims in the correct positions as recorded
Install the armature in the rear cover
Install the O-ring on the motor caseAssemble the motor case and rear cover, aligning the index marksNOTE Hold the armature coil shaft, or armature might be drawn out by the magnetic field
Apply grease to the dust seal of the front coverInstall the lock washer to the cover, shims to the shaft and O-ring to the case NOTE Install the shims in the correct positions as recordedDo not damage the front cover dust seal at installation