Vespa VMA High End Performance Kit medium 1200-1053 1500rpm NCY COMPRESSION SPRING

1200-1053 1500rpm NCY COMPRESSION SPRING (PERFORMANCE)

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

whereas on this replacement

stable contact patch

Kymco Downtown 300i 10-12

Vespa VMA High End Performance Kit medium 1200-1053 1500rpm NCY COMPRESSION SPRINGVespa 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.