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VFR800 interceptor is leaking fuel


traboskix

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My friend  VFR800 that he recently bought was running perfectly fine then a couple days ago it started having problems idling, to the point it wouldn’t  idle. The fuel is leaking from the bottom of the bike where the exhaust is. Any idea what this issue might be? Or what might need fixing? And perhaps the cost to fix the issue?

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What year is your friends bike?

If its a 5th or 6gen, sounds like he might have a ruptured Fuel Pressure Regulator diaphragm. It will dump excess fuel into cylinders 3 and 4 via its vacuum hose. Check the FPR vacuum hose pull it off the FPR look for any fuel leakage from the FPR.

Do you have the Service Manual. It can be downloaded from the forum.

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