Knowing the condition of your vehicle is very necessary. The goal is all that it was not until late in servicing once carefully if it looks the engine has started less healthy. One easy way to find out, can see from the color of the spark plug head.
If you find a black plugs already dry on the side of his head, meaning it is a sign that your machine is quite wasteful of fuel. The black color comes about because the soot of combustion of fuel is less than perfect. Then as the victim, soot will stick to the head of the spark plug. Usually often interfere with the ignition system.
There are many causes, one of them because the mixture is too fat burning. This could be caused if the mixture of air and the air in the radiator less balanced. At first it was mostly caused from improper carburetor settings.
If the valve is opened too wide, or too narrow. In essence, the ignition in the combustion chamber supported the air and fuel mixture from the carburetor to be fitted. The fire is too big also even add soot on these plugs.
