1995 Johnson/Evinrude Outboards 50 thru 70 3-cylinder Service Manual, Page 88Get this manual
Carburetor Body 1Check all drillings and passages with syringe filled with isopropyl alcohol2Visually inspect all gasket surfaces for nicks or irregularities3Check for excessive throttle shaft playCheck for throttle valve misalignment 19l 4
Remove the vent well core plug to inspect the pocket for damage or restrictionsDrive small punch not more than le in(3 mm) through plug and pry out
'101 5Check for leaks between emulsion pickup tube and carburetor bodyInvert carburetor body and fill idle circuit with isopropyl alcohol Check for leaks at point