1978 Johnson 55 HP Outboards Service Manual, Page 83Get this manual
fRemove retainer plate, thrust washer, thrust bearing, reverse gear from propeller shaft gRemove four driveshaft bearing housing screwsSee Figure 6-18Pull up on shift rod placing clutch
dog in forward gearRemove the pinion lock nut from the bottom of the driveshaft by using Driveshaft Holding Socket (Special Tool #316612) Figure 6-19
Using puller (Special Tool #387206), two 516" screws, and two smooth metal pads 18 4" (3 50 100 mm) to protect the gearcase, pull the driveshaft from the gearcaseSee Figures 6-20 and 6-21The seal housing, shim(s), bearing, and cone will come out with the driveshaftDiscard the seal housing "0" ringThe two back to 'back seals can be pressed out of the seal housing if worn