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FJR Motorcycle Forums
Technical & Mechanical Problems
Seriously bad gas mileage.
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<blockquote data-quote="TomInPA" data-source="post: 1122262" data-attributes="member: 21394"><p>CA winter fuel is loaded with oxygenates due to the CO problem in parts of the Valley during inversions. Thing is, CA fuel has 10% ethanol all year long, so it's kind of hard to figure that the recipe changes much. As I understand it, CARB allows a higher Reid Vapor Pressure in winter, and much of that is an increase of Butane over summer blend. Butane has a habit of disappearing from the hot Gen I fuel tank, and winter fuel blends evaporate at lower temperatures.</p><p></p><p>Puppychow, do you use an insulating blanket between the engine and fuel tank?</p></blockquote><p></p>
[QUOTE="TomInPA, post: 1122262, member: 21394"] CA winter fuel is loaded with oxygenates due to the CO problem in parts of the Valley during inversions. Thing is, CA fuel has 10% ethanol all year long, so it's kind of hard to figure that the recipe changes much. As I understand it, CARB allows a higher Reid Vapor Pressure in winter, and much of that is an increase of Butane over summer blend. Butane has a habit of disappearing from the hot Gen I fuel tank, and winter fuel blends evaporate at lower temperatures. Puppychow, do you use an insulating blanket between the engine and fuel tank? [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Seriously bad gas mileage.
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