Pump Jet Pump Diaphragm Spring for the early Dellorto DHLA series carburetors.
The strength of this spring is rated at "medium" and was used on the following models of the Dellorto DHLA range:
- Dellorto DHLA40
- Dellorto DHLA40E
- Dellorto DHLA40F
- Dellorto DHLA40G
- Dellorto DHLA45
- Dellorto DHLA48
There is also a "strong" spring available for the later versions of the DHLA.
That spring can be found under article number 9663.
Required quantity per carburettor: 1
This is item number 75 in the drawing.