As they tell you, the coach can be behind, try to advance it, it would have to think about how the engine and the valve game that have also spoken previously. The carburetor adjustment (including the level of the Cuba) and that does not have air intakes or in the butterfly axis or in Latapa or at the base of this plenty that says it is important. If that of the Coin (or distributor) carries progress lungs (in addition to counterweights), it would not be to look that is not drilled and also not to advance, take a breath. Well, they can be several things or the sum of these that do not go as before (even spark plugs that are not of the degree influence), if it gives clues of whether it smells a lot of gasoline, black or white spark plugs in electrode (eg) it will be easier to tell you among all. Greetings!!