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06-02-2008, 08:30 AM
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#1 (permalink) |
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Member
Join Date: Apr 2008
Last Online: 10-01-2009 10:07 AM
Location: Aurora, IL
My Ride: 84' Honda VF500F & 05' Honda CBR600F4i & 78' Honda CB750 & 03' Honda XR50
Posts: 89
Thanks: 2
Thanked 2 Times in 2 Posts
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Petcock question
I have a 84' VF500F and I've been having an issue with it starting and staying running. I have narrowed it down to a fuel issue and I think it's the petcock. If I disconnect the main fuel line and put gas straight into the line (not attached to the tank) it will start and run. As soon as I hook the line to the petcock, I have a 30% chance the bike will start/run. It also helps if I shake the bike back and forth. If it is running and I shake the bike back and forth it will boge down as well.
My question is; If I pull the tank and set the petcock to ON, should gas start to flow out the main port of the petcock? Or does it require some type of vacuum to suck the gas out? Currently I can set the petcock to ON or RES and nothing will come out of the tank. |
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07-15-2008, 03:19 PM
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#2 (permalink) |
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Junior Member
Join Date: Mar 2008
Last Online: 11-25-2008 12:07 PM
Location: Eastern Washington
Posts: 21
Thanks: 0
Thanked 1 Time in 1 Post
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looking @ ur petcock on BB seems to have vac diaphram-will need vac applied to flow.
also u know there isa strainer in the bottom as well as a screen on the intank pickup tube sounds like u need a tank cleaning. (where's that Daughtery guy when u need him?)
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