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mixture screw

  1. Temporarily Riding with Missing Mixture Screw

    Technical Help Forum
    Hey guys, Last night while riding, my bike started acting up and backfiring on engine braking. I realized my mixture screw had dropped out of the bottom of my left carb, but it was too late and the screw was already long gone. I've already ordered a new screw, but in the meantime I plugged up...