1996 Johnson/Evinrude Outboards 8 thru 15 Four-Stroke Service Manual, Page 67Get this manual
Carburetor Body
1Check all drillings and passages with syringe filled with isopropyl alcohol
2Visually inspect all gasket surfaces for nicks or irregularities3Check for excessive throttle shaft playCheck for throttle valve misalignment4Check 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 CIVIC Ultra Lock at poi nt