Thread: Efficient motor
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Old 03-19-2019, 11:58 AM   #10 (permalink)
woodsrat
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Interesting that the Yamaha XV-250 made this list. For all the bogus stuff on this bike (the phony rear exhaust pipe, for one) it's still pretty light for a twin at around 325 lbs. It's also under square in it's bore and stroke. Best of all it's been imported in the U. S. since 1988 meaning parts will always be available.

I'd venture to bet I could get it down to under 300 lbs. easily.

On the modern end of things folks I know with Yamaha WR-250R's are easily getting 80 MPG. Imagine what you could do if you streamlined one of these puppies.
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