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post #1 of 5 (permalink) Old 01-12-2013, 12:24 PM Thread Starter
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leak in gas tank

sled is a 2004 RMK 700. I went to take it off my trailer yesterday and saw gas was leaking down the right side of the tunnel. I opened the hood, removed the airbox, so I could take a look at the fuel line going to the fuel pump. Not leaking there. Took of the seat and didn't see any gas under the seat, but there was gas on the right side of the tank, near the bolt that secures gas tank to the tunnel.

Going to have to fully take the tank off of the sled, but I suspect there is a small pin hole leak in the tank itself. Not leaking all that much-there was still gas in the tank, was about half full still, just leaking real slow.

My question is-Is there a good reliable way to patch a hole in the plastic gas tank? I really don't want to buy a new one. I just bought a brand new Pro RMK 800, and I don't really want to sink much money into this older sled. Once I locate the hole should I just cover it in expoxy, or should I put a patch over it?
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post #2 of 5 (permalink) Old 01-12-2013, 01:38 PM
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You can use JB Weld, but it will only last for a little while. Because the gas will eventually break the jb weld down. But it will last for about 5 years if not longer.
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post #3 of 5 (permalink) Old 01-12-2013, 04:28 PM Thread Starter
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I'm gonna try the JB weld. It's weird that the tank would all of a sudden spring a leak. Gonna tear into it tomorrow and try to figure out exactly where the leak is.
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post #4 of 5 (permalink) Old 01-13-2013, 08:27 PM
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I had a bad crack in my indy. It went all the way the width of the tank and was actually letting water in the gas. I patched it with epoxy and fiberglass. So far it's going great!


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post #5 of 5 (permalink) Old 01-13-2013, 10:46 PM Thread Starter
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I had a heck of a time finding the leak, but finally found it by putting the tank in the bath tub and using my compressor to pressurize it. The split was right along a seam and was a real slow leak.
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