Carburettor DELLORTO PHBG 15 AS rigid, choke lever, without separate greasing

If you want to preserve low consumption while having more performance than with a SHA model for endurance or the road for example, the PHBG model will be a very good compromise. This low-cost carburetor is of very high quality and has a multitude of adjustments: richness screw, idle jet, needle valve ...

This model is the AS (also exists in BD or BS model), it is rigidly mounted with a lever choke, you can also switch it to a cable choke without difficulty. Compared to the SHA carburetor, this model is much more precise, efficient in recovery, acceleration and peak speed. This model does not have separate lubrication.

 

Advice : accompany it with a 15mm pipe, carbon valve slats, pipe as much as possible aligned with the valves, you can simply use an original air filter but also a horn. Provide a range of jets from 71 to 87 depending on the filter used.

The carburetor is delivered as such :

Main jet small standard pitch: 70

40 ° cutting bushel

Needle well AU 262

Idle jet 50

Choke jet 60

Float in 4 grams

These accessories can be changed for better tuning, although these carburetors are very well preset. All spare parts and adjustments can be found here.

 

Summary :

Phbg AS model

Size 15mm

Pipe fixing diameter: Ø24mm

Assembly: rigid

Starter: lever (can also be used as a cable choke)

Fixing diameter for air filter: 32mm X 1.25mm threaded (we can also put tulips of different sizes)

Spare parts and adjustments