Carburateur KEIHIN PWK39

Producing power without compromise The motocross world knows PWK. Keihin PWK carburetors are the dominant carbs on the factory motocross machines. Because of their great performance they come stock on a lot of the leading brand bikes. PWK Features 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.