1978 Evinrude Outboards 9.9/15HP Service Manual, Page 90Get this manual
5 If removed, install new washer, "0" ring, and shift rod bushing using bushing installer (OMC Special Tool #304515)See Figure 6-46Position lower thrust washer, chamfer side down, on pinion gearPlace pinion thrust bearing and upper thrust washer on gear O.Dchamfer side up(Upper thrust washer is thicker than lower washer Using suitable tool such as the thrust rod assembly, guide pinion gear, bearing, and thrust washers into the driveshaft lower bearingSee Figure 6-49
Figure 6-46 Installing Shift Rod Bushing, O-Ring and Washer 6Install forward bearing in cupInsert threaded end of yoke locator (OMC Special Tool #319991) through shift rod cavity and out propeller shaft end of gearcaseThread tool into shifter lever and yoke assembly, and position forward gear in yokeInstall cradle on shifter leverSee Figure 6-47Using screwdriver or other suitable tool and yoke locator, guide shifter lever and yoke assembly, cradle and forward gear into gearcase until gear contacts forward bearingSee Figure 6-48