depends what you mean by 'vibrates like crazy'..
as our engine design produces good smooth harmonics for a single
[see link, scroll to 'engine performance']
designing includes tuning for less vibration at preferred rpm/speeds..
thus target revs would be for 6krpm rather than redline..
even riding position including relative tension of muscles will result in
different levels of vibration entering sensory nerves thus brain..
even gripping bars tightly, thus wrists/elbows/shoulders tightened
will cause sensitivity to vibrations compared to relaxed control..
check tyre pressures, chain tension, rear wheel alignment, jsonders
engine bolts, any other loose fasteners.. have another motorcyclist
test ride it for comparison, otherwise take it to a honda tech..