Keihin PWK carburetors is the dominant carb on the factory motocross machines. Because of their great performance they come stock on a lot of the leading brand bikes. With these features you can take advantage of Keihin's superior performance. Chromed semi-flat (D) throttle valve for excellent response and more flow at high RPM.
Throttle bores sized to give maximum power. Easy jetting with jetting parts available. Quad Vents: Eliminates post jump bogging from fuel plugged vent passages.
PWK Air Strikers: Directs air to main nozzle for improved signal and throttle response.