Small Engine Troubleshooting Problems? Ask a Mechanic Now.
If primer is pumping air, there is a suction leak in it's circuit. Do you have fuel to the carburetor, from the tank?
Was fuel treated before unit was stored?
Float and needle valve in carburetor may be stuck!
You would have to remove the line from tank , at the carburetor and check. Or loosen the bowl bolt on the carburetor.
Bouncing will not free up stuck needle.
Check this link to see what you have. Your's will be similar.
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