Polini Motori’s racing department has developed and put on the market the new Ø19 DELLORTO carburetor, modified by Polini, completely worked in the factory of Alzano Lombardo (BG) using working processes made with CNC centers.

The Evolution carburetor is homologate for the on track races even if the internal circuits has been revisited to increase the power and the engine performance,

In particular:

- the floating valve housing is bigger to let a perfect feed when you use the engine for long period and at full speed.
- the air filter connection is perfectly centered to create the Venturi effect with a geometry that optimizes the flow.
- the Venturi sizes, even if modified, leave the Ø 19 unchanged and it remains homologated according to the scooter races rules.