1981-1984 Official Honda ATC250R Shop Manual, Page 71Get this manual
ATC 250R CLUTCH INSTALLATION
Install the clutch outer and thrust washerNOTE Rotate the thrust washer to align the teeth of the thrust washer with the splines of the mainshaft
CLUTCHCLUTCH ARM
THRUST WASHER
Install the clutch centerCoat the clutch plates and discs with transmission oil
LOCK WASHER
Install the discs and plates alternately, starting with discInstall new lock washerNOTE lAIi-g-n-t-h-e-t-a-b-o-f-t-h-e-l-o-c-k-w-a-s-h-er-w-it-h-t-h-e-g-ro-o-v-e-'