YZ250 RM250 CR250 KX250 CR500 KX500 Keihin PWK 38mm Air Striker Carburetor New

This listing is for a new Keihin carb that is pre-jetted so it will require fine tuning according to the machine you have, any modifications, and altitude. Some spare Jets are included to help. If you need any help with recommended jetting specs feel free to message me at anytime. Producing power without compromise. The motocross world knows PWK. 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. PWK Carburetor Standard Jetting. Re-Jetting may be required.