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FJR Motorcycle Forums
Technical & Mechanical Problems
My tank burps and makes funny noise !
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<blockquote data-quote="Donal" data-source="post: 1089018" data-attributes="member: 20675"><p>I doubt if it's releasing pressure when you apply cold water. Much more likely to be generating a vacuum and sucking air to maintain equal pressures. If your tank hasn't already collapsed then it probably indicates everything is OK.</p><p></p><p>If it were me I would definitely strip down and clean the fuel filler cap assembly, just in case. I would definitely not be applying cold water to a hot tank at any time.</p><p></p><p>A bit of <a href="https://www.fjrforum.com/forum//index.php/topic/18042-gas-cap-modification/page-2?do=findComment&comment=722219" target="_blank">background history here</a> (there's lots more if you search) If you can't be bothered reading the whole thing just go straight to post #28 where FredW explains how to remove the ball thingee.</p><p></p><p>and a <a href="https://www.fjr-tips.org/maint/ff/ff.html" target="_blank">step by step guide with pictures here</a></p></blockquote><p></p>
[QUOTE="Donal, post: 1089018, member: 20675"] I doubt if it's releasing pressure when you apply cold water. Much more likely to be generating a vacuum and sucking air to maintain equal pressures. If your tank hasn't already collapsed then it probably indicates everything is OK. If it were me I would definitely strip down and clean the fuel filler cap assembly, just in case. I would definitely not be applying cold water to a hot tank at any time. A bit of [URL="https://www.fjrforum.com/forum//index.php/topic/18042-gas-cap-modification/page-2?do=findComment&comment=722219"]background history here[/URL] (there's lots more if you search) If you can't be bothered reading the whole thing just go straight to post #28 where FredW explains how to remove the ball thingee. and a [URL="https://www.fjr-tips.org/maint/ff/ff.html"]step by step guide with pictures here[/URL] [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
My tank burps and makes funny noise !
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