I just got a '79 50V in non working condition. The carb needed to be cleaned, as well as the gas tank, which I have done, though there might still be some rust in the gas tank. Well, after I did that, I tried starting it, and it started right up. It seemed to perform fine, but then it started running real rough, loosing power, and finally it stalled. And then it wouldnt start. This has happened several times, and as it is now, I can not get it started. It will start for like half a second and then stall out.
The muffler has a lot of carbon in it, but I cleaned the end piece with the tube. I cant find a wrench big enough to get the muffler off yet, so thats why the rest is not cleaned. The carb is spotless, the air filter is clean, the fuel filter is clean, and I get good gas flow to the carb. When I remove the spark plug, it sparks consistently IF Im touching it or if its touching the bike.
I really dont want to have to take the motor apart. Im thinking this could be a timing issue. Other than that yes the muffler should be cleaned more, though I believe I cleaned the most restrictive part already (the removeable piece). BTW, I did run the bike less than a mile with that end piece removed. Could that have caused any damage?
Well, any help greatly appreciated. I really want to get this bike running smooth and reliable. And then I want to make it go faster.