I have a 2005 hayabusa which runs fine. When I realy get on the throttle to high rpms the bike then flashes f1 but still runs. If I keep shifting at high rpms the bike has this stutter feeling like its losing a little power but at low or mid rpm it's fine. When I say i mean around 8 to 11k rpm. Since the bike can't be put into dealer mode while runing I can find wat the problem is using codes cause as soon as I hit the kill switch the f1 goes away plz help.