Yamaha 115-225 HP Outboards Service Manual, Page 162Get this manual
'- -ASSEMBLY AND ADJUSTMENT (L130, L150, L200)
2) Drive the small needle bearing into the housingThen install the oil seals
3) Put shim pack, washer, thrust bearing, and rear propeller shaft in the bearing housingFor propeller shaft shim selection, refer to page 6-40
4) Drive the needle bearing into the forward gear