Plastic fuel tank leaking

[Farmingstock]

I have a Peugeot XPS 50 that I bought as a non runner scrap bike, I have now got it to pretty much MOT ready, however I must have over tightened the fairing and there is a drip of fuel now coming out of the tank at the thread of the faring thread.

I have looked high and low and can’t find another tank, does anyone have any suggestions on how to fix?

Thanks

[stinkwheel]

A lot would depend on the nature of the damage. Can you see the crack/hole? If it's a tiny pinhole, you might be able to melt it over with a soldering iron or drill it larger then pop/bond something in to plug it.

If it's a crack, you'll probably need to drill a stop-hole at the point of the crack to prevent it spreading further then either plastic weld or bond the split.

Pics of the damage would be good.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[Farmingstock]

I can’t see the hole, it’s inside the thread if you know what I mean, I took the tank off an put it in water, with some air in the top and a tiny bubble of air came out so I know that’s where the issue is, I’ve tried with the solder iron but I don’t think I can get to the part that is leaking, will try again.

Definitely can’t see the damage it’s just hidden at the bottom of a thread. It’s a nightmare had the tank off so many times now trying to fix it!

[Easy-X]

Photos would definitely be helpful.
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Royal Enfield Continental GT 535, Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter

[Mysteriass]

PTFE teflon sealant tape on the thread?

[WD Forte]

Burn it
Burn it to shit
Send it to hell!!!!!!

( you know it makes sense)
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bikers smell of wee

[MCN]

Fill the hole with Petropatch and then ram the bolt in.

It takes a few minutes to start setting hard which gives time to poke in a little bit at a time to ensure a complete fill.

https://granvilleoil.com/prodInfo?pID=2

Granville 0455 50g Petro Patch Putty https://www.amazon.co.uk/dp/B004OS8N1W/ref=cm_sw_r_cp_apan_glt_fabc_3ZCTRVDJ30GSJ7DW2WVA
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Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN.

[Andy Perrett]

Personally, if it's coming out of the threaded hole, I'd dribble a little bit of glass fibre resin, mixed with hardner into it. Not enough to fill the hole, just enough to fill the crack.

Once sets, maybe use a shorter screw/bolt in the threaded fairing mount.

[Farmingstock]

It’s coming out of here! Will try all the suggestions (apart from torching it) thanks guys.

[Andy Perrett]

[MCN]

[Farmingstock]

It’s moulded to the tank, must only be a tiny hole as it only drips a little bit, but when I take it for the MOT it will probably drip out!

I’m not bothered about taking the fairings off while I own it so will try some sort of fuel proof sealant then screw the fairing on with ptfe tape, let it set and hope for the best before I put fuel in again!

[Easy-X]

If it's a bolt going in there maybe an alternative would be to use a stud instead with JB Weld in lieu of thread lock. You also be able to use a little epoxy around the exterior thread/tank area. Okay, so you'd have an ugly nut holding on the fairing but something tells me aesthetics aren't a priority
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Royal Enfield Continental GT 535, Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter