1981-1984 Official Honda ATC250R Shop Manual, Page 238Get this manual
'83 ATC250R ADDENDUM
Remove the oil seal, back-up ring and slider bushing from the fork tubeNOTE: Do not remove the fork tube bushing unless it is necessary to replace it with new oneSee inspection
BACK-UP RING FORK TUBE BUSHING
Remove the oil lock piece from the slider and the piston from the fork tubeOIL SEAL SLIDER BUSHING
INSPECTION