Hayabusa f1 problems

Lord T

Registered
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.
 
The bike can be in dealer mode when running. The switch must be on, but it doesn't matter if the engine is running or not.
You can put the jumper wire in and go for a ride. If the FI light comes on the "C" and 2 digit code number will display on the dash.
 
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