Jetting for Keihin CV

Pull the carb, change a jet, put it back, go and ride. Then do it again. Sorting out a Keihin constant-velocity carburettor by trial and error costs whole afternoons, and a box of jets you are never going to use. This app takes that road out of the way. Before you pick up a spanner, see what every change you are considering does to the mixture, and only fit the one that convinces you. WHAT YOU WILL USE IT FOR • You fitted a pipe, a filter or open intakes and the bike runs oddly. Try the change in the app and find out how far up you need to go before you buy the jets. • You are riding into the mountains this weekend. See how much richer it goes at 1,500 m and take the right jet with you. • You bought a used bike and have no idea what is inside it. Look up its factory jetting and compare it with whatever turns up when you open the float bowl. • You are torn between two needles. Compare…