Dynojet Carburetor Jet Kit Yamaha Vmax 1200 Get the most out of your new exhaust system with this Stage One Jet Kit from Dynojet! Features: Increase power and smoothness throughout the entire rev range, while maintaining optimum fuel economy Kit includes comprehensive instructions which show step-by-step installation and testing procedures to ensure a perfect setup every time This stage one kit is fully adjustable to allow the use of well-designed aftermarket pipes and stock replacement air filters In most cases power increases of 5 can be achieved