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January 12th, 2011, 02:00 PM   #1
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70 degree sub tank install vid

I made a vid of my install of the 70 degree sub tank

[youtube:1raskkg9]http://www.youtube.com/watch?v=6BxizgoBYs8[/youtube:1raskkg9]
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July 9th, 2021, 07:29 PM   #2
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I have a 2010 FE390 with the aux tank. The feed line (green/blue) before the check valve ruptured last week so I replaced it with standard fuel line and there was a shut off valve down there that had pretty much melted from the exhaust heat so I removed it. Now the bike doesn't want to idle and feels horribly fuel starved when riding it. Any suggestions?
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August 15th, 2021, 11:22 AM   #3
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Originally Posted by Tinomazz64 View Post
I have a 2010 FE390 with the aux tank. The feed line (green/blue) before the check valve ruptured last week so I replaced it with standard fuel line and there was a shut off valve down there that had pretty much melted from the exhaust heat so I removed it. Now the bike doesn't want to idle and feels horribly fuel starved when riding it. Any suggestions?
I too had to replace the original subframe tank feed line as it began to leak. I replaced it with heavy duty fuel line. When you say check valve, do you mean quick disconnect connector? I kept the quick disconnect as I didnt see any issue with exhaust heat at that location. Got it all buttoned up, added fuel and bike fired up right away, no issues. Actually the fuel now seems to distribute between the oem tank and subframe tank much quicker.

It could be a number of issues if the bike wont idle or runs like crap. It could be a clogged fuel filter, dirty injector or fuel pump not work as it should. I'd try the easiest thing first. Make sure fuel line is not clogged. If it ran fine before, the injector is probably okay. I'd double check the fuel pump is working as it should . Good luck.
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