HI TO ALL OUT THERE. I AM AT A LOSS. I HAVE A 1983 GL 650 W/ 2 keihin 35mm constant velocity carbs that i have 3 times taken apart ,cleaned , and reasymbled only to have my bike start up ,run about 10 - 15 seconds then start flooding - if i close the fuel and manage to keep it sputering , just befor it runs out it revs up and runs fine for about 10 seconds WHATS GOING ON !!!! Any input most treasard thanks Ken