Special: PHDG 19 mm as a direct replacement for Vespa Smallframe SHB/SHBC 19/19 (plug-and-play depending on version) - suitable for Vespa 125 Primavera (VMA2T), 125 Primavera ET3 (VMB1T), 100 Sport (V9B1T) and Motovespa 125 Primavera (9PN/9PK/9NK/9T/9NV), among others.
This 19 mm PHDG variant replaces the original SHB/SHBC 19/19 on Vespa smallframe models. The compact design, clearly accessible adjustment ranges and a wide range of Dell'orto parts ensure clean idle throttle, spontaneous throttle response and a basis suitable for everyday use, from near-standard engines to sporty touring configurations.
Smallframe compatible SHBC 19/19 replacement Rigid clamp connection Finely adjustable idle system
| Carburetor type | Dell'orto PHDG |
|---|---|
| Mode of operation | 2-stroke |
| Ø Venturi | 19 mm |
| Ø connection width | 23 mm |
| Connection type | Clamp connection, rigid |
| Air filter connection | 46 mm, 60 mm |
| Main nozzle | 100 |
| Idle jet | 55 |
| Starter nozzle | 60 |
| Air nozzle Ø | 150 |
| Nozzle needle | W 26 |
| Mixing tube/atomizer | AN 262 |
| Nozzle needle holder | 0.0 mm |
| Float needle valve | 170 |
| Float | 4,0 g |
| Throttle slide | 40 |
| 2T mixer connection | not available |
| Vacuum connection | not available |
| Choke | Direct actuation can be retrofitted, cable holder |
| Adjusting screws | Left |
| Accelerator pump | No |
| Brand name | Dell'orto |
Note: Nozzle configuration depends on version and production batch. Check idling and choke function before first start.
PHDG 19 mm carburetor in the specified configuration. Depending on the variant, with required calibration elements according to the manufacturer's instructions.
The PHDG 19 mm is the contemporary smallframe solution as a replacement for the SHBC 19/19. Compact design, clearly accessible adjustment ranges and a wide range of Dell'orto parts facilitate clean tuning from the stock to the sporty setup.
Note: Vespa 125 Nuova (VMA1T) had SHB 16/16 as standard; here the PHDG 19 mm is not plug-and-play, but can only be used with a suitable intake manifold.