1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 182Get this manual
Exhaust Housing Servicing4 Removal and Disassembly
1The entire powerhead, exhaust housing, and gearcase may be removed from the swivel bracket as an assembly by removing four screws
2Remove the powerhead as described in Section 4
3Remove the gearcase as described in Section 6
4Remove the water tube and grommet from the exhaust housing by pulling them out5Remove the cotter pin and lift out the shift rod
6Remove the setscrew to separate the shift lever and the bellcrank7Remove exhaust relief tube and grommet
8Remove the two rubber vibration dampeners by stretching them over bottom of the exhaust housingThe plastic pivot bushings can be removed by spreading them enough to clear the housing9Refer to Cleaning and Inspection at the beginning of this section