Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 193Get this manual
LOWER UNIT (DUAL PROPELLER MODELS)
ASSEMBLING THE LOWER CASE ASSEMBLY
1Install: Needle bearing
Bearingoil seal attachment YB-0643490890-06654 Driver rod YB-0607190890-06652 2Install: Bearing retainer Bearingoil seal attachment YB-0643090890-06657 Driver rod YB-0607190890-06605