Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 162Get this manual
DRIVE SHAFT (REGULAR ROTATION MODELS)
REMOVING THE DRIVE SHAFT
Loosen: Pinion nut
Drive shaft holder YB-0620190890-06520 Pinion nut holder 90890-06505 Pinion nut holder attachment 90890-06507
DISASSEMBLING THE DRIVE SHAFT HOUSING ASSEMBLY
Remove: Needle bearing Bearingoil seal attachment YB-0619690890-06610 Driver rod YB-0607190890-06652