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FJR Motorcycle Forums
Technical & Mechanical Problems
Hot weather fuel problem
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<blockquote data-quote="n1acguy" data-source="post: 648221" data-attributes="member: 15551"><p>I'd be more likely to blame the vapor canister system, dumping huge amounts of fuel vapor into the intake, causing the bike to go WAY rich, which the O2 sensor will detect as a drop in oxygen, telling the ECU to lean the mixture on a notoriously over-lean system to begin with, and Bingo....bad running FJR.</p><p>Aha, that makes sense. The bike definitely seems fuel starved when this happens.</p></blockquote><p></p>
[QUOTE="n1acguy, post: 648221, member: 15551"] I'd be more likely to blame the vapor canister system, dumping huge amounts of fuel vapor into the intake, causing the bike to go WAY rich, which the O2 sensor will detect as a drop in oxygen, telling the ECU to lean the mixture on a notoriously over-lean system to begin with, and Bingo....bad running FJR. Aha, that makes sense. The bike definitely seems fuel starved when this happens. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Hot weather fuel problem
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