Quote:
Originally Posted by stillsearching
An example is the Virago vx250 - suggested over 80mpg got me interested, it can technically hit 85mph so I thought it would be a good commuting choice... yet i'm often forced into 77mph flow of traffic situations where I live at times and one comment said that if you cruise over 60mph it will drop down to like 50mpg.
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I know this problem too, but fortunately I can take a slow route (I work in 12-hour shifts and live ~14mi from my workplace - sometimes I even do this commute by bicycle, but never in night shifts, the way home in the morning would kill me - but going at like 30mph doesn't make it a too long trip).
We have a 250 and 650, and both can do 80+ mpg and 80+ mph - but no way they could do it at the same time. The 650 seems to do better at higher speeds, and both are somewhat better than the Virago you mentioned (my high speed tank experiment gave me 57 mpgUS with Teresa, mostly done over 80mph), but I think aero mods would be the key to get better FE at high speeds. Leaving mods alone, a new CBR250 with its full fairing may be able to do it, that's a nice efficient machine.