Clutch slipping?

[maxzer1500]

Recently I've noticed some weirdness with my Fazer on occasion. If I really push on and accelerate hard, when the bikes gets to about 6-7K revs all of a sudden it just revs like crazy and jumps up to 11K odd! I'll ease off throttle a bit, then the revs settle down and I keep accelerating.


Is this the clutch slipping under the load?
I have tweaked the clutch adjustment (both at lever and at sprocket cover), but it's still doing this.
Time for new clutch plates?


Or is it likely to be something else entirely?                                                                                                                        Has the gearbox sprocket cover gasket been left out without adjusting the clutch pushrods end float? Apart from sufficient cable free play the main thing is the screw and locknut under the little round cover, should be backed off something like a quarter of a turn from fully in, go from loose to just feeling pressure. If that don't work, take off sprocket cover, disconnect cable to see how free the mechanism arm is. While in there make sure pushrods is clean, also if seal has worn the rod and if the rod is the same both ends, I would put the outer of the rod to the inside.