Carburetor is a mechanical device in a vacuum effect generated by the engine, a certain percentage of petrol and air mixture. In general, there is an obvious feature carburetor is highly float chamber oil level can be seen through the transparent window, is conducive to oil level height adjustment and observation.

Generally, under normal circumstances, oil level in the oil height should be raised signage flat viewing window position. Such as oil level is too high or too low height, it must be adjusted. Do not be mistaken, the lower oil plane more fuel-efficient. If the oil level is low, insufficient amount of oil, it will lead to a combustible mixture is too thin, thus affecting the normal operation of the engine.