I HAVE A 1997 SUZUKI 250 QUADRUNNER. IT WILL NOT START YOU HAVE TO KEEP CRANKING IT AND WHEN IT DOES START IT WILL NOT IDLE. I HAVE REBUILT THE CARBURETOR AND STILL THE SAME THING. WHEN I DID GET IT STARTED I RODE IT. IT RUN FINE UNTILL YOU STOP THEN IT WILL QUIT. DONT KNOW WHAT IT IS PLEASE HELP: