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    simonskeggy1's Avatar
    simonskeggy1 Posts: 1, Reputation: 1
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    #1

    Sep 30, 2011, 08:24 AM
    Hole in exhaust header
    Would this stop my bike from starting
    SERGIO41593's Avatar
    SERGIO41593 Posts: 26, Reputation: 2
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    #2

    Sep 30, 2011, 09:29 AM
    In some cases ,yes.there are three things that starts an engine ,air, fuel,and spark. Too much or not enough of either will cause an engine to not start.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #3

    Sep 30, 2011, 12:38 PM
    In a 2 stroke, some back pressure is required to keep the crankcase pressure up. In a 4 stroke, no. In both cases, a small hole will do nothing except make noise and let exhaust leak out. MC engines are pretty basic. With a carb engine it is a gravity fuel system and any dirt will clog the carb. Checked for spark? Fuel? Could be a bad coil pickup, loose flywheel, bad coil, bad plug etc.
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