1981-1984 Official Honda ATC250R Shop Manual, Page 155Get this manual
CiiJHONDA ATe 250R Coat the dust seal with small amount of clean engine oilInstall the dust seal and side ring onto the axle
REAR WHEELBRAKEDRIVE MECHANISM
DUST SEAL
SIDE RING
Install the snap ring with the snap ring pliersNOTE Install the snap ring with the chamfered end Ltoward the sprocket
OUTER EDGE