Motorcycle Repair: setting jets on 750 yamaha carberators, air fuel mixture, rotations

Question
how many rotations out do they need when setting the jets

Answer
Ronald, I'm not quite understanding the question. The actual jets are a presized brass threaded insert in the fuel circuit. If you are asking about the air/fuel mixture screws they can be 1 1/2  to 2 turns out from seated to start with and adjusted in or out after its warmed up to smooth the idle out.