2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 205Get this manual
Drive shaft and lower case (counter rotation model)
S69J6210
Roller bearing installerremover 5: YB-06432 Driver handle 6: YB-06071
Checking the lower case
1Check the skeg and torpedo for cracks or damageReplace if necessary
Checking the pinion and reverse gear
1Check the teeth of the pinion, and the teeth and dogs of the reverse gear for cracks or wearReplace if necessary
S69J6215
Assembling the lower case