Universal in-line vacuum fuel tap, fits most Yamaha 125cc - 150cc 4-stroke scooters but is commonly used as a universal fuel tap for any scooter with a vacuum tapping on the inlet manifold including many Chinese.

The fuel will only flow through the inlet and outlet on the side when there is suction applied to the third connection.

The inlet and outlets are 7mm diameter and the vacuum attachemtn is 5.5mm.