ICh recently bought me a Kawasaki Zephyr 750. The motorcycle has stood for 3 years. The seller ran the motorcycle. At my home, I read the machine again. The following happened: From the left exhaust pot comes bluish white smoke. This smells of unburnt fuel. Strange is that this smoke does not always occur. I got my first new spark plugs. The agony was still there. After that I changed the spark plugs, plug r and the ignition cable. It still smoked. Now I built out the carburettors. I cleaned the nozzles and built them up again. First the machine ran ohen white smoke. But in idle was a slight baler. The machine was turned off. One hour later I turned on the box again. Now the machine smoked out of both pots. What can not be right here ??? Who can help me ??