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Fuel tank repair?

  • Flint
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Fuel tank repair? was created by Flint

Done a search but didn’t come up with anything. Did anyone have luck repairing a cracked plastic tank? Mine is a 79 IT 175 with about a four inch horizontal crack at the lower waterline. Methods or types of adhesives? Thanks 
24 Jun 2022 12:26 #1

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Replied by Flint on topic Fuel tank repair?

I’m thinking scuff it, clean with acetone, warm with heat gun and hot glue it.
Just thinking the hot glue might be fuel resistant.
24 Jun 2022 12:57 #2

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Replied by Mauser on topic Fuel tank repair?

How about a soldering iron and some similar plastic as a filler rod ?, I've done some good repairs using this method as it will melt the crack together.
Just look on YouTube for details.
Yamaha RT2 360 ~ Honda XR650R ~ Kawasaki KH400 ~ KZ650B3

24 Jun 2022 15:16 #3

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Replied by Ht1kid on topic Fuel tank repair?

I would buy another tank. Fire hazard being that close to your exhaust 
24 Jun 2022 17:13 #4

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Replied by Flint on topic Fuel tank repair?

Got a tank on order for about two months. 
24 Jun 2022 22:45 #5

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Replied by Flint on topic Fuel tank repair?

Took a pellet of hot glue and soaked it overnight in premix. The glue will desolve so that won’t work. 
26 Jun 2022 08:36 #6

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Replied by Tom P on topic Fuel tank repair?

I've used hot glue where it's been submerged in water and it holds, but I didn't think it would stand up to gasoline. I know a lot of people repair RV holding tanks with plastic welding, you might look into that as a temporary measure. I've never done it, but I think you can buy a kit fairly inexpensively.

Here's a guy just using a soldering iron, as Mauser suggested, and he cut off a little piece of donor material from a fender.

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Last edit: 26 Jun 2022 09:09 by Tom P.
26 Jun 2022 08:50 #7

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Replied by Ht1kid on topic Fuel tank repair?

They make fiberglass repair kits for plastic 
26 Jun 2022 08:58 #8

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Replied by Ht1kid on topic Fuel tank repair?

If it was mine I would do both plastic repair and fiberglass on top for better protection until your new tank arrives 
26 Jun 2022 09:29 #9

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Replied by Flint on topic Fuel tank repair?

Bought one of the rather expensive plastic welders from Harbor Freight Tools today. I’ll make a practice run or two on my old beat up quad.
26 Jun 2022 15:17 #10

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