2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Manual, PN 5005483, Page 185Get this manual
GEARCASE BEARING AND SEAL REMOVAL Remove the forward gear, thrust bearing, and thrust washer from the shift housingWrap the housing with shop cloth to catch ball and springRotate the shifter detent 90 in either direction, then pull the detent out of the housing
1Gear 2Thrust bearing 3Thrust washer
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Shifter detent Ball and spring
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Remove the shift lever pin from the housingRemove shift shaft, cradle and shift leverMove shifter detent accordingly to assist in removal of components
Remove the detent ball and spring
Pinion Gear Bearing