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Originally Posted by mollydog
Is your bike stock? Were those who commented on MPG riding stock bikes too? Different jetting/air box set ups changes everything.
And don't forget altitude. Flat, sea level roads mean fantastic MPG. Up high you will suck gas. Consider temps too. Hot weather= Poor MPG Cold Weather= Better MPG.
Normally a Dyno-Jet kit (or similar) really can make a difference, not only in performance but in economy. Opening up the air box and using a performance
Needle is the key to it. Seems counter-intuitive, but a well set up bike with a Dyno-Jet kit can achieve better fuel economy than stock AND perform better in the bargain.
The trade off is you'll be doing more frequent air cleaner servicing, which is no big deal at all IMO and well worth the trade off.
Took me a year of screwing around with every possible jetting combination known to man to figure this one out. Just because the MAIN jet is bigger does not necessarily mean you're MPG will go down. Please don't ask me to explain this one!
Patrick 
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I understand jetting and tuning as much as anyone...
I set up a perfect fuel/air mixture back home in the UK with my Quill can (road legal) using an exhaust diasgnosics guage at my dealership.
I probably ride to fast for the weight im carrying.
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Did some trips.
Rode some bikes.
Fix them for a living.
Can't say anymore.
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