2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Manual, PN 5005483, Page 183Get this manual
GEARCASE DISASSEMBLY Pad the handle of the wrench to prevent damage to the gearcaseThe bearing housing, shims, thrust bearing, and thrust washer will come out with the driveshaft
,_-21Bearing housing 2Shims 3Thrust bearing 4Thrust washer
1Holding socket 211116 Wrench
COA3573T
COA3558
(Special) Driveshaft Removal Procedures
The driveshaft to pinion taper is locking taperIf 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