Rushmix Posted July 27, 2011 Share Posted July 27, 2011 I was browsing the /r/motorcycles section of www.Reddit.com, and was referred to the following (very cool) website that aggregates a huge amount of ethanol-free fueling locations: http://pure-gas.org/index.jsp?stateprov=WA . My question is this: What ethanol-free octane level would be ideal for my 2004 V11? This is a newbie question I know, and I've always heard that 92 is the way to go no matter what, but I'm trying to learn the real nuts and bolts that go into making a happy bike. Thanks so much! Link to comment Share on other sites More sharing options...
Tom M Posted July 27, 2011 Share Posted July 27, 2011 Welcome Rushmix, The simple answer is you need to use gas with enough octane so the engine doesn't ping/preignite/knock/detonate. Some Guzzis ping with 92 octane, some run fine on 87. If I had non-ethanol gas available I'd use it over the ethanol blended stuff. It seems that some plastic fuel tanks swell, deform or blister from ethanol blends. Link to comment Share on other sites More sharing options...
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