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FJR Motorcycle Forums
Technical & Mechanical Problems
Extremely low MPG
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<blockquote data-quote="RossKean" data-source="post: 1448810" data-attributes="member: 19880"><p>The fuel gauge is notoriously non-linear. The first segment and the last segment (before it starts flashing) tend to disappear quickly. I assume yours is a Gen II since you are using a Power Commander?</p><p></p><p>That said, around town, short hops and stop-and-go riding will net you terrible fuel mileage. 25 mpg or less, depending on circumstances. (NOBODY gets 300 miles per tank under those conditions!)</p><p></p><p>The principle advantage of a Power Commander on FJRs is to reduce throttle abruptness by making the mixture richer at low throttle openings. I had a Power Commander on my 2007. I ended out removing it because it made a significant difference in fuel usage. Throttle was more snatchy but I got used to it. Little or no point in a Power Commander for any FJR 2009 or later, IMHO. It won't net you any more HP and Yamaha had improved the stock ECU mapping by that point.</p></blockquote><p></p>
[QUOTE="RossKean, post: 1448810, member: 19880"] The fuel gauge is notoriously non-linear. The first segment and the last segment (before it starts flashing) tend to disappear quickly. I assume yours is a Gen II since you are using a Power Commander? That said, around town, short hops and stop-and-go riding will net you terrible fuel mileage. 25 mpg or less, depending on circumstances. (NOBODY gets 300 miles per tank under those conditions!) The principle advantage of a Power Commander on FJRs is to reduce throttle abruptness by making the mixture richer at low throttle openings. I had a Power Commander on my 2007. I ended out removing it because it made a significant difference in fuel usage. Throttle was more snatchy but I got used to it. Little or no point in a Power Commander for any FJR 2009 or later, IMHO. It won't net you any more HP and Yamaha had improved the stock ECU mapping by that point. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Extremely low MPG
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