Polini big bore kit for four valve, 4T, 49cc Piaggio engines. Fits Vespa LX 50, Primavera 50, Fly 50, and the P50 Scootcoupe.
Not legal for use in California on pollution controlled vehicles. Check local laws before installing.
Vespa LX 50 (2006-2009) - 4-Stroke 2-Valve
Vespa LX 50 (2010-2014) - 4-Stroke 4-Valve
Vespa S 50 (2009-2014) - 4-Stroke 4-Valve
Vespa Primavera 50 4V Carb (2015-2019)
Vespa Sprint 50 4V Carb (2015-2019)
Scoot Coupe P50