2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 247Get this manual
GEARCASE BEARING AND SEAL REMOVAL Pull up on the driveshaft to remove the assembly from the gearcaseIf necessary, use Puller, PIN 387206, and Backing Plate, PIN 325867, to break the lockInstall the tools as shown by clamping them around the driveshaft with the tool's setscrew aligned with the impeller drive cam slotTighten the setscrew 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
BEARING AND SEAL REMOVAL