Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 381Get this manual
RIGHT HAND NON-RATCHETING
5Press ball bearing onto gear with suitable mandrel until firmly seated(Be sure to press only on inner race of bearing and that bearing is firm against gear 6Apply light coat of Quicksilver Super Duty Gear Lubricant onto outside diameter of propeller shaft needle bearing7Place propeller shaft needle bearing into aft end of bearing carrier with numbered side toward aft end8Use Mandrel 91-15755 and press needle bearing into bearing carrier