straange

THIS SOUND ONLY HAPPENDS FIRST THING IN THE MORNING OR AFTER I FINISH WORK! I TURN THE ENGINE OVER AND IT STARTS TO MAKE A WHISTLING SOUND, LIKE SOME PRSSURE IS BEEN LOST. THIS HAPPENDS FOR A WHILE TILL THE ENGINE WARMS UP AND THE AUTO CHOKE TURNS OFF, AS SOON AS THE CHOKE FINISHES ANOTHER...