Vacuum Secondary Diaphragm; Carburetor Model Numbers R3659/R4365-1/R4382-1/R4383-1/R4393-2/R4394-2/R4671/R4672/R4789/R4790;
Vacuum secondaries are activated by venturii velocity through the primary venturii and further aided by secondary venturii velocity. Engine/manifold vacuum is not related and has no effect on the operation of the carburetors secondary system.
- Vacuum Secondary Diaphragm
Application Summary:
| Year |
Make/Model |
| Vacuum |
Secondary Diaphragm primarily used on out board 6-pack Carburetor Numbers: R3659 R4365-1 R4382-1 R4383-1 R4393-2 R4394-2 R4671 R4672 R4789 R4790 |
Additional Information: