Need help troubleshooting power loss and fuel system - Honda Valkyrie F6C Forum
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post #1 of 3 (permalink) Old 04-29-2020, 11:52 AM Thread Starter
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Need help troubleshooting power loss and fuel system

I have a 1997 Valkyrie Tourer and recently removed and drained the fuel tank after a contaminated fuel issue. The bike started up fine and ran well for about six miles. It then had a gradual power loss that ended with complete shut down. I checked the fuel switch, which was in the right "ON" position. Both tank hoses were connected and no leaks were visible. The bike would not restart; although I could hear combustion it would not run. So I called a tow truck. After about ten minutes, I tried to start it again and it fired up fine. Raced home and cancelled the tow truck but not very confident in any future ride until I figure this out. I suspect that it may have to do with the vacuum hose and mechanism in the fuel tank that may be preventing continuous flow to the engine. Of course, the maintenance manual doe not have enough details to work with. Any suggestions are greatly appreciated.
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post #2 of 3 (permalink) Old 04-29-2020, 10:03 PM
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Did you check if you have a pinched fuel line or maybe a problem with gas tank vent, next time open up the gas cap and see if that helps.
The best is go to the VRCC web site you will get a lot of help there

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post #3 of 3 (permalink) Old 04-30-2020, 12:29 PM Thread Starter
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Thanks for your reply! I viewed a You Tube video on the Honda vacuum powered fuel valve and believe that it may need to be replaced, since its 23 years old. It could be an internal spring or diaphragm failure, which would explain the transient nature of the failure. One minute it works, then it doesn't. I'll check your recommended site as well. Regards, LVOS
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