Keihin PWK 38mm Air Striker Carburetor For YZ250 RM250 CR250 KX250 CR500 KX500
The motocross world knows PWK. Keihin PWK carburetors is the dominant carb on the factory motocross machines. PWK Features. PWK Air Strikers: Directs air to main nozzle for improved signal and throttle response.