Vespa VMA High End Performance Kit medium You must upjet your carburetor

You must upjet your carburetor (typically to a #125 or #130 main jet) to prevent a lean condition

preventing the internal corrosion that causes "sticky" brakes

Kymco Downtown 300i 10-12

model V5A and V5B

Vespa VMA High End Performance Kit medium You must upjet your carburetorVespa VMA High End Performance Kit Includes: Malossi 133cc Cylinder Kit PE9 Polini Exhaust Malossi 134cc Cylinder kit. This is the must have kit for anyone looking to transfer ALL of their power to high RPM. This will give you very little upgrade in your low mid range but will send you to the moon in the high end. Top of the line Polini pipe gives good looks and great performance via internal baffle system. Adds style and speed to your small frame.