Faster Flow Vespa Fuel tap & Lever - PX, PV, ET3, Rally, Sprint, V50, V90, GTR, GT, Super. Vespa PX, PV, ET3, Rally, Sprint, V50, V90, GTR, GT, Super. VESPA 125 Primavera ET3 125 VMB1T 2T AC `76-`90. A leaky fuel tap can also have undesirable side effects such as the carb overfilling or the scooter being unwilling to start.
