I'm baaaaaaaaaaaaaaaaak!. Alright, got fire to the plugs, the engine will now turn over (finally), but, it will not rev at all, and back fires through the carb. Now, this is a 2007 295cc robin engine, with a little over 600 hours on the clock. I have replaced the carburetor, igniter, pulsar coil, coil pack. The air gap on the pulsar coil has been set, I have set the valve lash to .004, and have installed new ignition switch. I am running out of ideas. It will fire right up, but stumbles, and if full throttle is applied, sounds like it is loading up, and will sometimes back fire. If it was a car, I would swear it is out of time. I have even tried without the choke being engaged at all, same problem. Stumped. Any suggestions? I am wide open for them. Thanks.
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