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    CB750 DOHC and Keihin CR31 settings

    Hello, everyone. I have a Honda CB750 Bol d'Or motorcycle (1982, DOHC, RC04) with Keihin CR31 carburetors, zero resistance filters, straight-through exhaust (4-2) and Dynatek 2000 electronic ignition installed. The engine itself has no tuning. The problem is a rich mixture on all modes. But...
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