1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 95Get this manual
Float Valve Assembly
GIl 1Inspect the inlet needle and float valve seat Check inlet needle tip for grooves, nicks, scratches, or distortion Check float valve seat for nicks, scratches, or distortion Check float for signs of oil or gasoline saturationINotellnl et needle and float valve seat must be replaced as set,
Carburetor Body
63324 L!J- '
r.J2l 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 misalignment4If necessary, remove the calibration pocket core plug to inspect the pocket for damage or restrictions Drive small punch not more than 's in(3 mm) through plug and pry out Install the plug convex side upSecurely flatten plug with flat end punch and plastic malletApply Gasoila sealer to the edge of plug5If 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 leakageU