1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Repair Manual P/N 520204, Page 165Get this manual
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Disassembly
1 To remove the water tube grommet depress tab of the grommetPush the grommet out of the inner exhaust housing[1]
2 Use OMC Grommet Installer PIN 304148 to instal