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3d carbs

  1. CB 350 Carbeuretor 3D

    Member Introductions
    1st post :) I bought a pair of carbs of ebay. I believe they are 1971. They are stamped 3D When i opened them up I noticed that the diaphragms were different in each carb. Think they must have been put together from parts. One had a more rounded tapered top and the other had a more squared...
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