1999 xcr 700

[whitefrost]

my sled works great but when you squeeze the throttle wide open she goes to 8600 rpms but if I back off the throttle to three quarters it will go faster..what causes this..carbs or clutching?thanks in advance

 

[MrSled]

my sled works great but when you squeeze the throttle wide open she goes to 8600 rpms but if I back off the throttle to three quarters it will go faster..what causes this..carbs or clutching?thanks in advance

Could be either one.. does it seem to flatten out when you lay into it?