1981-1984 Official Honda ATC250R Shop Manual, Page 80Get this manual
SHIFT LINKAGEBALANCER GEARS
ATC 250R
BALANCER GEARS
Remove the left crankcase cover (Page 8-2)Remove the clutch (Page 7-2)
Hold the primary drive gear by attaching the GEAR HOLDER to the crankcaseNOTE Alternate gear holders are commercially available in the USARemove the 10 mm balancer gear special bolt and remove the gear