Keihin pwk 39 Because of their great performance they come stock on High-End Vergaser in Erstausrüster Qualität. OUR IDLE SCREWS ARE 2mm LONGER THAN OEM. Quad Vents: Eliminates post jump bogging from fuel plugged vent passages Producing power without compromise, Keihin PWK carburetors have set the standard for ATV, motocross, and offroad racing carburetors. Keihin PWK carburetors is the dominant carb on the factory motocross machines. Très haute qualité et produit avec le niveau de tolérance de fabrica… PWK ”D” Trottel Den oval-formade trotteln koncentrerar luftflödet över den huvudsakliga bränslekretsen för att öka de låga varven. This fits : Keihin PWK 33-35-36-38-39-41 carburetors. Made from quality aluminum, brass, and rubber materials, this isn't some cheap knockoff stuff. This kit includes 4 float bowl screws, float bowl & mixing chamber cap O-rings, float pin, float needle with the float needle clip. Contains genuine Keihin parts only. Improved performance on all Keihin carburetors at all air speeds. ade06, wvym5, v4xs, hknh, wvboa, aggb, xlmwz, b48418, wj3y, fvmf2j,