Quote:
Originally Posted by Rwirish
The recommendation is there for a reason.
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The "recommendation" is because that's what they sell for $4.50 a gal.
Rec-90 fuel outside the bubble is about $1 less per gal.
From Yamaha's Patrick Busler, developer of technical training in Yamaha's service division -
Q. Are Yamaha engines compatible with E-10 fuel?
A. Yes, all current models as well as most engines built since the late 1980s have been designed with fuel system components that are tolerant to fresh fuel containing ethanol up to 10 percent.
Yamaha Talks Ethanol | SnoWest Magazine