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FJR Motorcycle Forums
Technical & Mechanical Problems
Sudden power loss
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<blockquote data-quote="RossKean" data-source="post: 1444882" data-attributes="member: 19880"><p>Are you referring to the rubber hose(s) that go to the intake air pressure sensor? This was a fairly common Gen II issue but not later years. (It would also throw a fault code 14). </p><p>Side stand switch is unlikely to cause reduced power but will kill the engine if it thinks the stand is down. Maybe the switch is making spotty contact - power would come back when clutch is pulled. Seems unlikely to me but a clean and lube wouldn't hurt anything.</p><p></p><p>Still sounds like crappy fuel (any water in the tank?) or an intermittent coil. Check the tank for water/rust/dirt with a bright penlight. As mcatrophy mentioned, possibly a tank vent issue (or crimped fuel line). Did you do any work on the bike recently?</p></blockquote><p></p>
[QUOTE="RossKean, post: 1444882, member: 19880"] Are you referring to the rubber hose(s) that go to the intake air pressure sensor? This was a fairly common Gen II issue but not later years. (It would also throw a fault code 14). Side stand switch is unlikely to cause reduced power but will kill the engine if it thinks the stand is down. Maybe the switch is making spotty contact - power would come back when clutch is pulled. Seems unlikely to me but a clean and lube wouldn't hurt anything. Still sounds like crappy fuel (any water in the tank?) or an intermittent coil. Check the tank for water/rust/dirt with a bright penlight. As mcatrophy mentioned, possibly a tank vent issue (or crimped fuel line). Did you do any work on the bike recently? [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Sudden power loss
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