Quote:
Originally Posted by cRiPpLe_rOoStEr
Nowadays my dad, who is an experienced motorcyclist, says anything greater than 250cc to be overkill for a normal usage.
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A 250 guarantees 60mph, with a little head wind, and 75mph tops on level ground.
But not without screaming 7-10k rpm.
And this suffers MPG.
Performance wise, it's just under what you want. There's no headroom on the interstate, and you'll have to be tailgating to keep up at 75mph.
So I would say 'no'.
With the increase of CC, the bike can both lower revs to get there, and increase performance. 400cc Hi rev or 500cc with torque down low, is the minimum you need nowadays. And anything over 700cc, on the streets, is overkill IMHO.
I have a 750cc twin, and it starts to get fun around 100mph, which is well above comfort and street legal