2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 180Get this manual
Lower unit
Assembling the drive shaft housing
1Install the needle bearing into the drive shaft housing to the specified depth
2Install the needle bearing outer case into the lower caseNOTE: Apply engine oil to the needle bearing outer case before installationNeedle bearing installer 3: YB-06435 Pinion gear bushing installer 4: YB-06029-3 Needle bearing remover and installer 5: YB-06213 3Install the needle bearing into the needle bearing outer caseNOTE: Apply engine oil or grease to the needle bearing, and then install it
Needle bearing installer and remover 1: YB-06194 Driver handle 2: YB-06071 Depth a: 4.254.75 mm (0.1670.187 in) 2Apply grease to the new oil seals, and then install them into the drive shaft housing to the specified depth