The issue is bike were dedicated to performance above anything else and this wastes fuel.
What we are doing (or attempting to do) is change the target altought the DNA of the bikes does not help us.
For example there is almost always a match between top speed and max power rpm.
Things are changing (Honda's NC700) but from the upper side of the tange (a NC 700 still has a very favourable power to weight ratio).
Redyaris's problem with the mixture of his streamlined VT 500 is a very good example of this.
I don't know if we can find a solution in the camshaft alone.
For me the biggest issue is the potential in gear reduction is very poor.
But I have a GN and I live in Europe so ...
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