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usin_kangkong
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  • Bro can i ask you a question
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    usin_kangkong
    usin_kangkong
    It seems like the problem with your bike stalling when stopping at the traffic light, got to do with very low idling RPM? Could you adjust that?
    In my opinion also, Uma Superhead of size 23/20 is kinda too large for 62mm block, I woul d usually suggest the usage of CMS or BRT OEM head modded with 22/19 valve, for smaller bore size.
    usin_kangkong
    usin_kangkong
    And most of the time, we always do the port and polishing of the aftermarket head, based on the block size, and this is done by the said trusted mechanic. For the UMA Superhead,my polishing it will be enough, as it come stock from factory, you can see that the inner surface is quite rough.
    usin_kangkong
    usin_kangkong
    For maximum compatibility, perhaps you could buy Uma Carburettor kit instead?
    You could always sell your older carb for at least 3/4 of the price if the condition is till good.

    I apologize if I can't help you much

    Regards
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