OK IVE GOT A CBR600FK WHICH HAS BEEN RUNNING FINE UP UNTIL TODAY,,,IT IS A HOTTER THAN USUAL DAY BUT I DONT THINK THAT HAS MUCH TO DO WITH IT ...RODE TO THE SHOP OK COMING BACK BIKE STARTED TO LOSE POWER I ACTUALLY THOUGHT ID RAN OUT OF PETROL AS THAT IS HOW IT FELT BUT NO I GOT LOADS,IF I TURNED THE CHOKE ON WHILE RIDING IT WAS BACK UP TO POWER AND GOT ME HOME IS THIS JUST MY SPARK PLUGS?