- 50cc+ Models
- 125cc+ / Electric Models
- Scooter Tuning Articles
‘A’ needle kit for Dellorto PHVA Carburetors. The PHVA is the standard carburetor in all piaggio 50cc 2T models, and all Aprilia 50cc 2T models with the exception of Ditech models. Needles affect the way fuel is delivered at different points in the throttle range. Needles are tapered differently, a less tapered needle will deliver less fuel through the throttle range, where a more tapered needle will allow more fuel through the throttle range.
The kit includes: A2, A7, A8, A12, A13, A20, A21, A26, A28, A33.
Please see chart for sizing.