Bsa w33-6

[Pstockhi]

I brought a bsa W33-6 and been looking for a Amal carb to fit does anyone fitted one or have any idea which one fits please

[Shackleton]

Pre monobloc type 276. I have a W32-6

[militaryron]

A 276 type will work fine but not sure they were invented back then? Is it a 500SV? Here is the Amal list for 1933/4/5. It looks to me like a 76/112 (1" bore-140 main jet-6/4 slide- needle position 1)

Click to expand.  Ron