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Technical
Don't ignore your fuel lines this year...
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<blockquote data-quote="Webbaldo" data-source="post: 605258" data-attributes="member: 20784"><p>Heard from a chemistry prof today (work in education) he reckons the vapour from the ethanol sitting in the pipes naturally evaporates through the rubber taking the natural oils with it. A combination of that and heat causes them to crack from the outside.</p><p></p><p>And for reference, these were my r6 hoses after 15months. I stupidly fitted the same stuff on sunday night before taking the old one to bits and discovering this. Hence I've ordered some r9 from volksbolts to replace it with. AGAIN <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite10" alt=":oops:" title="Oops! :oops:" loading="lazy" data-shortname=":oops:" /> </p><p></p><p>I'll still be replacing it yearly anyway</p><p></p><p>Weird thing is, regarding heat, the worse cracked part was above the gearbox, and I don't have heat exchangers, so no real heat here?! to crack them. It was the straight bit as well, not the bend to the tank. Weirdly ones in engine bay were ok. All fitted at same time.</p><p></p><p><img src="https://i.imgur.com/qZVN6nK.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Webbaldo, post: 605258, member: 20784"] Heard from a chemistry prof today (work in education) he reckons the vapour from the ethanol sitting in the pipes naturally evaporates through the rubber taking the natural oils with it. A combination of that and heat causes them to crack from the outside. And for reference, these were my r6 hoses after 15months. I stupidly fitted the same stuff on sunday night before taking the old one to bits and discovering this. Hence I've ordered some r9 from volksbolts to replace it with. AGAIN :oops: I'll still be replacing it yearly anyway Weird thing is, regarding heat, the worse cracked part was above the gearbox, and I don't have heat exchangers, so no real heat here?! to crack them. It was the straight bit as well, not the bend to the tank. Weirdly ones in engine bay were ok. All fitted at same time. [img]https://i.imgur.com/qZVN6nK.jpg[/img] [/QUOTE]
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Don't ignore your fuel lines this year...
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