1985-1987 Honda TRX 250 Fourtrax 250 Service Manual, Page 112Get this manual
ALTERNATORSTARTER CLUTCH GEARSHIFT LINKAGE Tighten the drum center pinInstall the bearing stopper platesdowel pins and collars onto the crankcase
Install the guide plate and drum shifter assemblyAssemble the gearshift spindle, gearshift arm and shift return
springInstall the shift collar onto the drum shifter pinAlign the end of the return spring with the shift return spring
pin, and the hole of the gearshift spindle with the shift collar and install the gearshift spindle