1968 Evinrude Speedifour, Starflite 85HP Service Manual, Page 75Get this manual
in impel1er housing to prevent exhaust gases from getting into the cooling system, causing overheating and pre-ignitionIt is especial1y important that the impel1er housing seal ring fit properly to prevent exhaust gases from feeding back into the intake manifold through the driveshaft tubeInstal1 new ring driveshaft REASSEMBLV OF ELECTRIC SHIFT GEARCASE
exercised in reassembly because of the close tolerances tween partsInstall front propel1er shaft bearing race, using driver shaft, guide plate, and bearing race instal1er (Special Tools #309933 and 379248)Clamp skeg of gear housing in vise having soft jaws or place in simple holding fixture, driving race into position with rawhide mal1etSee Figure 6-41Install cone shaped rol1er bearing in race, tapered end firsttom of