1993 Johnson Evinrude "ET" 40 thru 55 Service Manual, P/N 508283, Page 233Get this manual
9Remove the pinion and driveshaft from the gearcase as follows: Pull up on the shift rod to engage FORWARD gear position Using OMCDriveshaft Holding Socket, PIN 316612, and an 1116 inopen-end wrench, back the pinion nut off the driveshaftPad the handle of the wrench to prevent damage to the gearcase The driveshaft to pinion taper is locking taperIf necessary, use OMC Puller PIN 387206 CD and OMC Backing Plate PIN 325867 Q) to break the lockInstall the tools, as shown, by clamping them around the driveshaft with the tool's set screw aligned with the impeller drive cam slotTighten the set screw into the slotAlternately tighten the two vertical screws against the backing plate inserted between the puller and the gearcase until the driveshaft pops loose from the pinion Remove the driveshaft with the driveshaft bearing housand thrust bearing ingshim(s) CD, thrust from the gearcaseReach inside the gearcase and remove the pinionIt may be necessary to pull up on the shift rod to gain enough clearance to remove the pinionr:;:;] 10Push down on the shift rod and unthread the shift rod from the shifter detentRemove the four screws, shift rod, and cover assembly from the gearcaseDiscard the cover gasketRemove and discard the O-ring from inside of the cover 1181 11Remove the fillidrain plugRemove the propeller shaft assembly from the gearcase