UK Monster Owners Club Forum » .: Technical :. » Mods & How To's » Tank repair - any ideas please?

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Old 07-09-2019, 07:20 PM   #16
Jez900ie
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I removed the filler cap and it made very little difference to access, sadly.
I didn't realise there was such a difference - what damned nuisance!
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Old 08-09-2019, 08:12 AM   #17
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POR15 highly recommended - used it on an old Guzzy tank 10 years ago - still OK!

Also still present on workshop floor !!
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Old 08-09-2019, 08:33 AM   #18
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You could leave it dry in the sun to dry out for a few days, then steam clean the inside, then fill it with a strong detergent soloution for a few days, then drain and steam wash.
You still might not remove the residues in thicker 'varnish' deposits.
All you need is the equivalent of a teaspoon or less of fuel or anything vapourised to make an impressive bang, it will also reshape the tank a little.

That really leaves you with a few options which are:
Sod it, clean as well as possible and hope it is clean enough (or get a specialist to do it)
++ Expensive and potentially dangerous, potential for local distortion of the tank during welding. Will need a respray afterwards so the rest of the bike looks even worse so you end up having to paint everything,

Clean it as well as possible and tin solder in a patch, no a teeny Halfords soldering iron isn't going to cut it here. You need big copper or steel bits and a big heat source to get them up to temperature.
+++ Very old school stuff and a right PIA to do using very big very hot lumps of metal to provide the heat and a mini forge, big propane burner or oxy-acetylene to heat your bits (Oh and very thick welders gloves). Still need to do a bit of filling post fix and respray so again that will lead to more re-painting.

Clean it as well as you can, rattle a few rocks around the inside then treat the porous area with some rust remover stabiliser and then (as per Chriswilly) seal the inside of the tank with any of the fuel proof epoxy sealers. You'll get a 1 - 2 mm layer of epoxy over the leaky section and stop it recurring anywhere else. Any of the now treated rust acts as a reinforcement for the expoxy so it will be much stronger and stable.
+++ Easy to do, very limited skills required and a pretty permanent fix. Probably just need a local touch up on the tank when you've done.
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Old 13-09-2019, 06:03 PM   #19
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Thanks for all the help so far!
Next question (said wearing a reinforced hat and from behind a shelter!) as I’m getting it resprayed - what colour? I know red is the best and fastest (obviously!) but I’m thinking a change may be good...
Let the abuse begin!
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Old 13-09-2019, 06:09 PM   #20
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what colour? I know red is the best and fastest (obviously!) but I’m thinking a change may be good...
Let the abuse begin!
Paint in haste, repaint at leisure
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Old 13-09-2019, 06:25 PM   #21
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Paint in haste, repaint at leisure
That’s ace, I’ll be stealing that one!
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Old 13-09-2019, 06:54 PM   #22
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I just bought Jez's spare tank (ie) and noticed that the hinge had been previously repaired with solder. Jez hadn't noticed that it had been repaired and has used it for three years without any trouble or leaks.
I initially thought I would have the repair re-done by brazing, but why fix it if it aint broke? The repair hasn't effected the original paint on the top of the tank. The underside, where the repair is, can hardly be noticed under the red touched up paint.

My tank was brazed when I first bought my Monster with a busted and leaking hinge and it has stood up well with no bother. However the paint on the seat interface area was scorched off with the heat and there was always the risk of explosion from the flames, although the chappie was happy enough to do it by simply filling and emptying the tank with water.

I'm beginning to think that soldering might be a better method than my previously preferred brazing? It would seem to be safer, less damaging to the paint and just as effective. Probably more likely to be possible to do at home too?
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Old 13-09-2019, 09:23 PM   #23
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The silly part of me thinks the new orange - as sported by the new Superleggera - just because!
How about red with a white stripe along the length - especially if I can find the seat cowl?
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Old 13-09-2019, 09:53 PM   #24
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The silly part of me thinks the new orange - as sported by the new Superleggera - just because!
How about red with a white stripe along the length - especially if I can find the seat cowl?
I quite like white stripes...

pic upload
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Old 13-09-2019, 10:49 PM   #25
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Hi Jez,

I like the look of that. Do you have a side on picture you could post please?
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Old 14-09-2019, 12:25 AM   #26
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Hi Jez,

I like the look of that. Do you have a side on picture you could post please?



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Old 14-09-2019, 08:11 AM   #27
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Cool, thanks!
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Old 14-09-2019, 11:56 AM   #28
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White tank

..how about white with a red stripe Ian ?, just saying
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Old 25-10-2019, 08:56 AM   #29
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Quick update
No update. The talk is still sat in the specialist’s to be done pile. It’s been seven weeks now. I’ve prompted him a couple of times and assured it’s the next job. Mmmm. If I wasn’t trying to keep him on side I’ve have taken it back by now. I know I said don’t rush but nearly two months wasn’t quite what I had in mind!
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Old 25-10-2019, 09:04 AM   #30
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Quick update
No update. The talk is still sat in the specialist’s to be done pile. It’s been seven weeks now. I’ve prompted him a couple of times and assured it’s the next job. Mmmm. If I wasn’t trying to keep him on side I’ve have taken it back by now. I know I said don’t rush but nearly two months wasn’t quite what I had in mind!
Thats too bad. Have you looked around for another repair company?

On the flip side the weather is pretty grim and you have other bikes to ride!
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