1981-1984 Official Honda ATC250R Shop Manual, Page 119Get this manual
ATC 250R FORK SPRING INSPECTION
Measure the free length of the fork springsReplace the springs if they are shorter than the service lim it
FRONT WHEElFRONT FORKSTEERING
SERVICE LIMIT: 88.3 mm3.48 in) Spring A: 413.5 mm (16.28 in) Spring B: