1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 297Get this manual
REAR DRIVING MECHANISM
INSTALLATION
Install new O-ring on the swing armApply oil to the O-ringNOTE Do not forget toinstall the spring in the drive shaft joint before installing the gear case
Assemble the final drive case to the swing armInstall the new joint nuts looselyCAUTION