Polini Performance Variator Kit; Piaggio 4T 50cc nuts allowing your engine to breathe

allowing your engine to breathe deeper and rev higher

Compatibility: The models noted below and bikes that use 10" wheels

Honda and Vespa scooters

this 32mm Venturi CVK carb pairs perfectly with a big-bore cylinder kit to deliver the airflow your built motor demands

Polini Performance Variator Kit; Piaggio 4T 50cc nuts allowing your engine to breatheThis Polini variator is THE standard in upgrading the variator on your modern Vespa 4T 50cc or Piaggio Fly scooter. Widely accepted as the best variator on the market, the Polini version increases top speed and overall acceleration performance. Don't believe us? Ask your "Google Machine". It never lies! This variator works wonderfully in conjunction with our Malossi Big Bore Kit and Camshaft! Original Parts For Scooters SKU 146 17 Benefits: