1990 Johnson Evinrude "ES" 9.9 thru 30 Service Manual, P/N 507871, Page 228Get this manual
9Remove the propeller shaft and reverse gear components10Using magnetic tool, locate and remove the two shifter detent balls and one detent spring from the gearcase11Remove pivot pin from gearcaseDiscard the O-ring] 12Unscrew the shift rod and remove it from the gearcasefrom the gearcase
1101 13Using pair of long-nose pliers, remove the clutch dog