Dellorto 28mm carburettor tuning PHBH 28BS for Vespa PX / PE models with lever type choke the carburettor. The PHBH is a safe bet for any tuning cylinder and gets the maximum performance from the engine. This carburettor is used in many tuning kits from Polini and Malossi for these vehicles.
Note: for fitment to a conventional intake for these vehicles, adapters or a different intake must be used. carburettor must be tuned depending on the tuning cylinders.
Note: for fitment to a conventional intake for these vehicles, adapters or a different intake must be used. carburettor must be tuned depending on the tuning cylinders.
- Connection engine: 36mm
- connection air filter side: 62mm
- main jet: M6 # 105
- idle jet: M5 # 55
- choke jet: M5 # 70
- Floats: 9010.2 6.5g
- carburettor slider 40 (metal version)
- needle choice: X2
- Jet: AV264