Good Day: Symptom: Engine won't start & carb is flooding gas through engine and out exhaust manifold I have a Stihl FS 56 String Trimmer that I'm restoring. (It had been sitting in a shed for 3 years without fuel drained etc...) I've replaced fuel line and am rebuilding Walbro WT 45A Carb. I've replaced diaphragm, fuel pump membrane, gaskets, needle, spring and filter screen. I've popped the pop-out and cleaned the 3 ports with carb cleaner and blown all orifices with air. I soaked the entire carb in cleaner for 30 mins and then wiped and blew all orifices. I reset the needle system with the Walbro Gauge so it just touches gauge. I tested spark - have good, solid, bright spark to plug. To restart, I preset the hi & lo needles to 1 1/2 turns and pulled on cord. After several pulls with no start, I get fuel spray out of exhaust manifold; check plug and it's wet. I'm at a loss as to the problem. Any ideas?
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