Join Date: Dec 2012
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06 brute force 650, missing and popping
cuz has an 06 bf 650 120 hrs never abused and no mods.the thing will start with choke on , then will not idle with choke off. the warmer it gets the worse it pops nand backfires.have cleaned carbs till you could perform surgery with them. ran the valves all ok.checked fuel pump and it is producing well.can turn idle adj in or out with no change at all. also can run air /fuel screws in or out with no change put in new plugs also , the spark appears weak but not sure. can anyone point me in the right direction?