Octane?
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Intermediate
Joined: Jul 2008
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Octane?
Have had a road king for awhile, just bought my son an XL1200C, 2009. The manual says to run 91 octane, but all the gas stations I have been to only have 87, 89, and 93. Which one can I use? The bike is stock, no aftermarket at all.
Tourer
Joined: Feb 2010
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From: Kansas
93...I would use at LEAST the minimum the manual recommends.
Elite HDF Member
Joined: May 2009
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From: Streetsboro, Oh
I never use less them 92 in my bikes and almost always use 93. If the book calls for 91 or higher then use it. Most cars these days are fine on 87 and it's pointless to use higher, but bikes are a differant story.
Tourer
Joined: Nov 2005
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I run 91 or better in my 883 .If I have to go lower I try to run it out as soon as possible. I can tell the differance in mpg from 89 to 91 or better. Also if you have a Casey,s in your area avoid them at all cost everytime I am forced to use their gas mpg drops even more.
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Intermediate
Joined: Jul 2008
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Thanks folks, as always quick answers through this forum. I appreciate you guys. My son is just 16, and has been "dreaming and looking". He is on his way back from mission work in Africa, and I pick him up at 9:20 tonight. Do you think he might be surprised? Hope to get a picture of the look on his face. Will post later. Thanks again.
