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I just replaced all of the seals and gaskets and whatnot in the petcock about 6 months ago. I was riding about 10 miles a day going to work and back and no issues unless I left the petcock in the "on" position when I wasn't riding it. It would flood the carbs and leak out of the petcock. Now I am doing about 30 miles each way and my petcock started leaking real bad. Could it be that the petcock has gone bad or is it more likely just one of the new gaskets were bad?
 

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Kawika
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I switched to a single-tap petcock...less parts to fail now, just need to get a T fitting for the fuel lines....
I don't know about all the vn750's, but my '95 came with a dual tap petcock.
I kinda think a tank of high octane pump racing fuel did my old gaskets in.
 

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I just replaced all of the seals and gaskets and whatnot in the petcock about 6 months ago. I was riding about 10 miles a day going to work and back and no issues unless I left the petcock in the "on" position when I wasn't riding it. It would flood the carbs and leak out of the petcock. Now I am doing about 30 miles each way and my petcock started leaking real bad. Could it be that the petcock has gone bad or is it more likely just one of the new gaskets were bad?
Hey, Kirk -
Just a thought, but you might pull the petcock and check the o-ring and spring (both placement and soundness) on the piston that operates off the vacuum. At one point, I'd pulled those pieces apart on Orleans' petcock, which enabled me to have a non-vacuum system. It worked! And in reassembling, I screwed something up and still had a non-vacuum system (and flooding), which at that point I didn't want. Never hurts to take a second look.
 
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