1981-1984 Official Honda ATC250R Shop Manual, Page 246Get this manual
'83 ATC250R ADDENDUM
LOCK NUT PIN SPANNERS 89201-KA4-810 AND 89202- KA4-81 0
DISASSEMBL Y
Hold the shock mount in vise with soft jaws or shop towelLoosen the lock and adjusting nutsNOTE: The pin spanners are optional tools
ADJUSTING NUT SEAT STOPPER Remove the seat stopper, spring seat and spring