Dirty fuel tank

Information relating to the Matchless G2 or AJS Model 14 250cc Lightweight
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Location: NOTTS UK

Dirty fuel tank

Postby plantman » Sun Nov 30, 2008 9:20 am

I have just picked up a Model 14 which has been stored for 24 years and needs restoration. The fuel tank is good externally but is contaminated with rust and stale fuel inside. Anyone know how to clean it out?

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Location: POWYS UK

Dirty fuel tank

Postby petert120r » Sun Nov 30, 2008 9:33 am

Get about 20 decent size nuts and thread them onto a circle of stout string. Place in tank with about a litre of paraffin, replace cap and walk up and down outside for about 10 mins shaking the tank vigorously from all angles. Empty and leave to dry.

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Dirty fuel tank

Postby davehutch » Sun Nov 30, 2008 10:46 am

Try this mate its very good i have used it :
----Only a biker knows why a dog sticks his head out of a car window.

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Dirty fuel tank

Postby Merlin » Sun Nov 30, 2008 12:37 pm

I used strong hot caustic solution followed by strong phosphoric acid but there again what else would a chemist use.
p.s did a great job
Chemists do it with test tubes

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Joined: Mon Sep 29, 2008 6:13 pm
Location: NOTTS UK

Dirty fuel tank

Postby plantman » Sun Nov 30, 2008 1:17 pm

Thanks for that lads, I`ll try one or all of the suggestions and let you know how I get on. Cheers

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Joined: Thu Jun 16, 2005 12:00 am

Dirty fuel tank

Postby Geoffrey » Sun Nov 30, 2008 2:48 pm

First I did the nuts and paraffin (lots shaking), then nuts and strong phosphoric acid (lots of shaking) and once clean and nice and dry: epoxy coated the inside of the tank (the epoxy has to be liquid, like a 40 oil). The tank had been idle for 20 years, this method of removing all the sh*t cleaned it so thoroughly that a leak appeared, the epoxy solved that problem also.
Good riding

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Location: Østfold NORWAY

Dirty fuel tank

Postby Steinøks » Sun Nov 30, 2008 3:39 pm

|I had ruff stone's in the tank (1 cm) 1/2 full and packed the tank in bubble plastic.
Than filled the dryer with a lot of towels with the tank in between and started the dryer without heat.
Clean as a wisthle !!!
AJS...Running so well !!!

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