Bud,
The AUD52F tag ought to be on the front carb, that's what the F stands
for. No big deal tho, someone lost the R tag and put the Fon the rear
carb. At least you know what you have. According to Moss, the 52s are
from a 62-64 B and have fixed needles.
I have AUD326 carbs, also HS-4s, supposed to be the originals for my '69
according to Moss. Mine are working well now, after new needles, jets,
float valves and throttle shafts; also a lot of tweaking. If yours are
working well, rejoice in 'em!
CR
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