MY 340 has been difficult to start since day one. I bought about 8 years ago. Last fall I drain the tank and ran the gas out.
Last week I put in the $8.00 premixed gas, changed air filter, plug and fuel filter. It would not start, I took to my dealer
and he said it needed a new Carb and fuel line. After $126.00, I get it home and it will not start. I'm taking this thing to the dump and going to buy a quality machine.