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FJR Motorcycle Forums
Technical & Mechanical Problems
2018 FJR AUX Tank Plumbing
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<blockquote data-quote="travel_man" data-source="post: 1426257" data-attributes="member: 7153"><p>I am using high end reinforced fuel line so it will not collapse. I am also using a reinforced vent line so it will not collapse.</p><p></p><p>I do not think there is any way for a siphon process to happen where fuel is pulled back into the AUX tank because there is no way for the main tank to get air other than through the vent line that I am using for the AUX tank. For a siphon process to happen the main tank would need a way to fill the space with air as gas was siphoned out.</p><p></p><p>I have over 60,000 miles on 3 different motorcycles with my AUX tank plumbed this way and only the Gold Wing had an issue in high heat, above 95 degrees because of all of the plastic around the bike and not enough air flowing over the engine and gas tank.</p><p></p><p>The FJR and the GSA bout have gas tank that are not covered in plastic and they are both metal gas tank which dissipates heat better than plastic gas tanks.</p></blockquote><p></p>
[QUOTE="travel_man, post: 1426257, member: 7153"] I am using high end reinforced fuel line so it will not collapse. I am also using a reinforced vent line so it will not collapse. I do not think there is any way for a siphon process to happen where fuel is pulled back into the AUX tank because there is no way for the main tank to get air other than through the vent line that I am using for the AUX tank. For a siphon process to happen the main tank would need a way to fill the space with air as gas was siphoned out. I have over 60,000 miles on 3 different motorcycles with my AUX tank plumbed this way and only the Gold Wing had an issue in high heat, above 95 degrees because of all of the plastic around the bike and not enough air flowing over the engine and gas tank. The FJR and the GSA bout have gas tank that are not covered in plastic and they are both metal gas tank which dissipates heat better than plastic gas tanks. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
2018 FJR AUX Tank Plumbing
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