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Gas pickup issue on old Cobia

Old 03-01-2020, 01:26 PM
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Default Gas pickup issue on old Cobia

Got a project boat, a 1994 Cobia 174 with 90yamaha.

The fitting coming off the 90 from the fuel pickup is corroded and leaking. Ofcourse it's already been rounded off by the last guy.

What scares me is it looks like the 90 is welded on to the tank? Is this even possible?
Old 03-02-2020, 08:02 AM
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Has anyone ever heard of the 90being welded to the tank?
Old 03-02-2020, 10:19 AM
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I'd think welding it with any fuel still in it would be pretty exciting. Like.... REALLY!!!! exciting. Please film it. /sarcasm

Seriously, though. 25 yr old tank? It is near or at the end of its service life. That is exactly how the tank in my Henry O failed. The 90 deg tube looked like a sieve when we removed the fuel supply hose.
When I pulled the old tank, it had other corroded spots that were close to failing. So, I'd expect that putting the money and effort into fixing the 90 might quickly be followed by the next failure. If you could get to it with the tank in the boat, you'd have to empty and clean the tank, flood it with inert gas to prevent explosions, and weld. And, avoid catching the rest of the boat on fire. Not a trivial exercise.

Does the hull have a panel over the tank to allow you to remove the tank without cutting? If so, I'd bite the bullet and replace the tank.
If not. I don't know. Repair will be annoying and expensive. Cut floor panel out. Remove tank. Order new replacement. Install tank. Rebuild floor. There are lots of threads showing this exercise.

Depending no how you use the boat, might just through a couple of 6 gallon portable tanks in and go?
Old 03-02-2020, 02:14 PM
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A pic would help

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