50factory 138 main jet for PWK carburettor
138 Gasoline Carburetor PWK mécaboite and scooter fuel nozzle Technical characteristics Piece adaptable to Pwk carburetors KEIHIN compatible and adaptable Dimensions Hole diameter: 1,38mm Thread diameter: 5mm Length under head: 5mm Overall length: 17mm 1.38mm supply screw Generic, Ride, Yamaha DT50, Xlimit,