If you not even getting a stutter with Easy Start - then I'd suggest something is wrong with the ignition system/firing order/ valves/ timing.

The mechanical fuel pump is located on the same side as the dizzy - where the diamond silver blanking plate is in this picture.

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"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10