So according to the rules you can use a 60 size jet, and actually a large 60 that is just a but smaller than 61. This is just a tiny but smaller than a.61mm. The engine should rev a little higher before it starts to break up. The next step is to try the next smaller jet. The way to tell if it is too big is that once the engine is warmed up it will take off well with little or no hesitation but when it gets to half to ¾ of its maximum rpm it will start to “break-up” or miss from the ignitions inability to burn all of the fuel that is in the combustion chamber. Always start out the tuning session with a jet size that is presumed to be too big. A well tuned engine will start relatively easy, will accelerate reasonably, and will achieve its top potential rpm on the longest straight away.
It’s a good idea to know what you are looking for. A simple and reliable engine for the youngest The C50 is a simple and reliable engine that has been tried and tested on circuits all over the world. These basics should significantly improve the tuning you do throughout the weekend so your jetting is perfect for the main event. Kid Kart carbs and tuning tend to be the weakness of most teams.
Comer 50 Carburetor This carburetor is made by Dellorto and is the stock carburetor for the Comer 50 engines.
