1994 Johnson/Evinrude "ER" 2 thru 8 outboards Service Manual, Page 73Get this manual
1sl4Check all carburetor body drillings and passages with syringe filled with isopropyl alcohol5Visually inspect all gasket surfaces for nicks or irregularities6Check for excessive throttle shaft playCheck for throttle valve misalignment7If necessary, remove the calibration pocket core plug to inspect the pocket for damage or restrictions: Drive small punch not more than '8 in(3 mm) through plug and pry out Install new core plug with its convex side upSecurely flatten plug with flat end punch and plastic malletApply Gasoila sealer to the rim of plug8If necessary, remove the lead shot to inspect passage for restrictions or leaks: Gently pry up on lead shot with sharp-edged tool Install new lead shotFlatten shot with flat end punch and plastic malletCheck for leakage 19l9Check for leaks between emulsion pickup tube and carburetor body: Invert carburetor body and fill idle circuit with isopropyl alcohol Check for leaks at point If leak occurs, blow dry and apply drop of OMC Ultra Lock at poi nt