auto fuel tap for Aprilia RS 50 06-, Derbi GPR 06-, Mulhacan 125, Senda R, SM 125

Vacuum-controlled fuel tap for Aprilia RS 50 06-, Derbi GPR 50 and 06- Derbi Mulhacen, Senda 125cc 4-stroke geared mopeds. Oftentimes a malfunction of this component can lead to misfiring and supply issues. The membrane of the fuel cock sticks and releases an insufficient amount of fuel. The only way to solve these issues in a new item.