1997 Johnson Evinrude "EU" 90, 105RW, 115, 150, 150W, 175 60 LV Service Manual, P/N 507268, Page 249Get this manual
[]] 12Place the thrust bearing on the back of the reverse gearSet the thrust washer on top the thrust bearing13Insert the gear, bearing, and washer assembly into the bearing housingBe careful not to dislodge any of the loose needle bearings
14Align holes in the clutch dog with slot in the propeller shaftInstall the clutch dog on the shaft with "PROP END" facing rear of the shaft
INotel The clutch dog is not symmetricalIf installed backward, it will not fully engage forward gear and will immediately damage itself and the gear