1981-1984 Official Honda ATC250R Shop Manual, Page 160Get this manual
r:::iJ HONDA REAR SUSPENSION
ATe 250R
SPRING SEAT STOPPER
Remove the spring seat stopper by compressing the springRemove the spring
INSPECTION
Measure the spring free lengthSTANDARD LENGTH: 231-234 mm (9.09-9.21 in) SERVICE LIMIT: 219 mm (8.6 in)