1985-1986 Honda Fourtrax 125 TRX125 Shop Manual, Page 146Get this manual
TRANSMISSION CRANKSHAFT RI GHT DRIVER
BEARING REPLACEMENT
Remove the bearings from the right and left crank
caseDrive new bearings into the right and left crankcase
ATTACHMENT42 47 mm
07746- 0010300
07746- 0010300