“Open by 2 minutes”… “Close at 5”… These are terms often heard in kart track paddocks, especially during races, when correctly adjusting the carburetion can be decisive for achieving an important result. Because, for the uninitiated, the "minutes" mentioned above are precisely the indication conventionally used to indicate the rotation of the screws of diaphragm carburetors. These are rather small screws with minimal displacements: two characteristics that have not exactly been designed to simplify the life of kart drivers, especially the less experienced. This is why a small accessory such as the Tillotson QuickJetTM can prove to be a very intelligent ally to have with you. On the other hand, the Irish company is a leader in the manufacturing of diaphragm carburettors and its products are always aimed at aiding enthusiasts. Let's find out about this and other "must haves" for drivers’ toolboxes so that they can fully enjoy their time in karting.