Hi, I didn’t know where to go with this topic, because I usually write in because of my 125 here I also published this topic here (it is also about 2 clocks). So, there have been mofa races around oldenburg for about 1 1/2 years instead of in which I participate with my team. Of course you can tear there with a standard mofa nix therefore you have to tune, the only rule is that you can only have 50cmmm! That setup at our puch is : cross tire rear other Swinger (+spring legs) 15 carburetor Sportcylinder + piston Sports mushroom air filter Sport Auspuff zZ with 11er scratch You run zZ approx. 41, still something km/h isn’t really bad, just, there is a team that is better! So now finally my question, what do you think we could do to get more power? The biggest problem is actually to get the engine up to speed early. That takes too long. . .