06-07-2021, 08:22 PM
Howard,
In my case it's a Solex 30 MOV as fitted to Ulster's and Gordon England Brooklands.
If you are talking about the Zenith 22FZ, with a thinned butterfly you need to remove the choke tube and increase it from 15mm to 17mm and then fit a larger main jet.
In my case it's a Solex 30 MOV as fitted to Ulster's and Gordon England Brooklands.
If you are talking about the Zenith 22FZ, with a thinned butterfly you need to remove the choke tube and increase it from 15mm to 17mm and then fit a larger main jet.