Fuel tank gasket material

[Mickwhitt 5,038]

Hi all.  I have drilled a new fuel tank outlet in my plastic tank and need to source gaskets to seal the new outlet in place. I used some sheet fibre I had laid round but it leaks.

Can I use inner tube rubber or will it be damaged by the gas?

 

[ebinmaine 70,996]

Depends on the compound the rubber is made of.

Most tire inner tubes won't withstand gas or oil for long. It MIGHT get you by for a bit...

 

Best best is to source a correct sized grommet of proper material for permanent use.

[RandyLittrell 3,894]

This is what I bought for my 310-8 and I am assuming it would work on most plastic tanks with the proper hole size. 

 

https://smile.amazon.com/gp/product/B07HR6K547/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

 

 

 

 

Randy

[wallfish 17,578]

But if you still have a leaking issue you can buy a tube of Seal All. Fuel resistant and stays pliable.

[Tractorhead 9,103]

 

 I dunno what kind of seal you need but on my 212 horse there is just a rubberpart

put in and the valve stick just in, otherwise I simply uses a standart rubber seal set and find the closesd match.

This Rubberseals are common for Water Plumbing or fixing  water tap’s but also resits Fuel and Diesel.

 

If it a screwed outlet i insert one gasket on the inside one outside a thin washer and lightly pressed with the nut, not too thighten,

otherwise the seal starts flee and it dribbs. Just a bit more than strong hand tight.

never had issues with that solution.

[Mickwhitt 5,038]

I stripped the tank fitting down, soft soldered the brass washer in place and refitted it with two fibre washers. No leaks so I was using the right material but not fitting it right.

Mick