The dyno place should have been able to give you an air/fuel ratio graph to show how off the jetting is.
The average air/fuel ratio is approx 15:1 (someone correct if wrong) this will give a good balance of power and economy by increaseing the amount of air available to the engine your fuel ratio could be (for ease of numbers) 30:1 so to get back to the 'optimal' mix the jetting needs to be richer in this example twice as much fuel is required.
An example of how badly lean running can hurt performance is when my mate removed a bung from the airbox on his tiger 900 to increase air flow with the bung removed i could easily out accelerate him at nearly any speed with the bung back in place and optimal mix restored his tiger out accelerates me at any speed and leaves me for dust past 60mph
So a re-jet would definately smooth out the curve and unleash its full potential
Hope this helps
surprised no one else has posted on this thread
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