POTENTIAL CAUSE(S)

CHECK THIS FIRST:

1. FAULTY FUEL PUMP OR FUEL PRESSURE REGULATOR (PRESSURE TOO HIGH)
Have fuel pump or fuel pressure regulator professionally replaced.

CHECK THIS NEXT:

2. VAPOR LOCK (FUEL BOILED)
Place cold, wet towels on mechanical fuel pump and fuel line to carburetor. Restart engine after vapor condenses back into liquid fuel.

CHECK THIS LAST:

3. FAULTY CARBURETOR FLOAT NEEDLE VALVE
Have carburetor float needle valve professionally replaced.