1994 Johnson/Evinrude "ER" 2 thru 8 outboards Service Manual, Page 64Get this manual
Fuel Tank Servicing2, 2.3, 3.3 i tune-up or major repair'" Drain and flush the fuel tank at least once year and at every Drain tank at an outdoor location, away from all possible sources of ignition
Removal
[TI 1Shut off fuel supply at fuel shut-off valve f21 2Remove upper engine cover by unsnapping the hold-down levers3Start removing the lower engine covers by removing the four side screws
4Finish removing the lower engine covers by removing the six screws from the front and bottom5Disconnect fuel hose at carburetor6Remove two screws attaching the fuel tank to powerheadshut-off valve from fuel tankLift the fuel tank and