Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 164Get this manual
LOWR DRIVE SHAFT (REGULAR ROTATION MODELS)
ASSEMBLING THE DRIVE SHAFT HOUSING ASSEMBLY
1Install: Needle bearing
Needle bearing installation position 4.254.75 mm (0.1670.187 in)
Bearingoil seal attachment YB-0619690890-06610 Driver rod YB-0607190890-06604 Bearingoil seal depth plate 90890-06603
For USA and Canada Except for USA and Canada