1985-1987 Honda TRX 250 Fourtrax 250 Service Manual, Page 122Get this manual
CRANKCASECRANKSHAFTTRANSMISSION Remove the snap ringspline washerM4 gear and bushing from the mainshahRemove the M3 gear, M5 geaf bushing, M5 gear and thrust washer from the left crankcase
Remove the C3 gear and bushing from the countershahRemove the snap rings, washers and the C5 gear