Polini cast 75cc Cylinder Kit (Vespa 50) 15x12mm you MUST upgrade to the

you MUST upgrade to the NCY secondary sliding sheave/pulley shaft (SKU: 1200-1268)

Install a new NCY Intake Gasket (SKU 1100-4020) to ensure a perfect seal and prevent lean-run conditions

VIP Wolf Brand RX-50

Vintage Vespa tip: 3

Polini cast 75cc Cylinder Kit (Vespa 50) 15x12mm you MUST upgrade to theA good, inexpensive upgrade for those pokey Vespa 50s. Works very well with a Performance Exhaust Pipe. Or a 16 16 carb! ***PLEASE NOTE*** Performance upgrades are considered racing parts and are not covered by warranty. There are too many variables involved with user installed parts, and pushing the limits of your engine tends to wear parts faster. Use at your own risk! Not legal for use in California on pollution controlled vehicles. Check local