Precious Posted July 27 Share #1 Posted July 27 So I like to run 94 in my bike, but here in the Cariboo the only company that carries the grade is Chevron and their stations are few and far between. So, I when I have to, use 91. Good? Bad? Indifferent? Link to comment Share on other sites More sharing options...
RDawson Posted July 28 Share #2 Posted July 28 87 is recommended by Yamaha. High octane fuel burns slower and builds carbon. I run alcohol free locally when the bike may set more, I can only get it in 90. On trips I stick to 87. Link to comment Share on other sites More sharing options...
vzuden Posted July 28 Share #3 Posted July 28 No reason to use anything but 87. Higher octane is poorer grade and is only needed for high compression ratios to reduce preignition. Link to comment Share on other sites More sharing options...
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