There's a few details here showing the wear in the needle:Alistair F wrote: ↑Sat Apr 27, 2024 7:56 pm Thanks Ralf and Simon,
I will order a new needle jet and needle and give this a try - would prefer to keep the carb original if possible!
Alistair
https://ariel-square-four.blogspot.com/ ... d.html?m=0