Son quit racing these things & moved on to 300EX class, so I thought all my headaches were gone, now daughters LT80 is taking my time.........Anyhow, it has set up for about 3 months, gas smells bad, 1. so i drain tank and add new gas, 2. pull line off carb and open valve.....steady stream of gas, 3. open drain screw and gas drains out bottom of carb......4. shoot a little starting fluid in it, ..... fires right up and dies, no gas is getting to the carb............ vent hose?.........trash in carb? ..... think I need to pull carb, blow out and start new,......... (oh by the way LT80....thanks for all the old help)