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post #11 of 12 Old 09-22-2015, 11:19 AM
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Originally Posted by gyrotumbler View Post
About the time my bike started acting up I had switched from regular gas to ethanol free gas which is 90 octane in Florida.

Sunday I filled up with 3 gallons of regular and Monday the bike started ok. Around 1400 or 1500 rpms, seemed kind of low but no stumbling or hammering.

Today bike started normal again no problems at all.
Thanks for the update.

Interesting. The CBR's engine may be one that doesn't like excess octane. Generally I always stay away from ethanol if I can, but in your case I would use it unless you can find 87 octane without.
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post #12 of 12 Old 09-22-2015, 12:56 PM
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Originally Posted by jkv357 View Post
Thanks for the update.

Interesting. The CBR's engine may be one that doesn't like excess octane. Generally I always stay away from ethanol if I can, but in your case I would use it unless you can find 87 octane without.
I'm probably still use ethanol free gas, Ethanol-free gas stations in the U.S. and Canada because the bike runs better, accelerates faster, the "fart can" sounds better, and I don't mind cracking the throttle open a little to start it.

Edit: According to my seat of the pants dyno, accuracy is not guaranteed.

The grass is always greener . . .

Last edited by gyrotumbler; 09-22-2015 at 01:34 PM.
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