1988 Johnson/Evinrude "CC" 40 thru 55 Models Service Manual, Page 113Get this manual
Carburetor Body
r,-:jl1Check 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 misalignment4 If necessary, remove the calibration pocket core plug to inspect the pocket for damage or restrictions
Drive small punch not more than 1 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 leakage