DELLORTO PHBG 20 AS 4T rigid carburettor, without separate lubrication, lever choke

If you want to maintain low consumption while having more performance than with an SHA or other model for endurance or the road, for example, the PHBG model will be a very good compromise. This low-cost carburettor is of very high quality and has a multitude of settings: richness screw, idle jet, needle valve... This model is the AS special 4T, it is rigidly mounted with a lever choke, you can also switch it to a cable starter without difficulty. Compared to the SHA carburettor, this model is much more precise, efficient on pick-up, acceleration and peak speed. This model does not have separate lubrication.

The carburettor is delivered as such :

Standard small pitch main jet: 90

Needle W06

40° cut bushel

Needle well AN 262

Idle jet 50

Choke jet 55

Float in 4 grams

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