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SOHC.co.uk Forums => CB750 => Topic started by: billy192 on December 31, 2013, 03:28:58 PM

Title: resin in tank falling apart
Post by: billy192 on December 31, 2013, 03:28:58 PM
Just picked up a tank and has been lined with what looks like resin. how can i strip this out please?
Billy
Title: Re: resin in tank falling apart
Post by: Bryanj on December 31, 2013, 03:34:42 PM
If its an older repair try petrol as the ethanol in todays mix seems to attack all the old style repairs!!!!(and fibreglass tanks)
Title: Re: resin in tank falling apart
Post by: Trigger on December 31, 2013, 03:41:34 PM
Someone has put resin in the tank for a reason. The last tank i had cleaned due to rust was soda blasted, with great result. Don't know if there is any chemical on the market that can shift resin or what ever it is.
Title: Re: resin in tank falling apart
Post by: AshimotoK0 on December 31, 2013, 05:02:00 PM
I have had electronics devices for my business potted in epoxy resin de-potted chemically but its pretty nasty stuff. Can find out for you though if you like. May have been Tetrahdrofuran (THF) I think.

Cheers AshD
Title: Re: resin in tank falling apart
Post by: steff750 on December 31, 2013, 05:50:40 PM
 ;)  yes Bryan is right just keep using the the tank the ethanol will destroy that and any fibre glass tanks, the EU has given the go ahead for more ethanol to be added next year happy days to come I think lol ,last year a guy showed me some stuff he pulled out a petrol tank he was working on that had been lined with resin it looked like brown sugar and it made a real mess of the fuel system
 only the weekend I was pulling sheets of the stuff  out of my sidecar tank it was petseal in my case sealed it back in the eighties on top of rust hopefully my tank wont leak anytime soon I'm just waiting for the blocked carb jets now  ::)
Title: Re: resin in tank falling apart
Post by: kettle738 on December 31, 2013, 06:35:00 PM


Go here.    http://www.tankcareproducts.co.uk/      Scroll right down to sealant removers.

I have used this stuff to get failing tank sealer out of two tanks.........neither of them needed sealing in the first place.

Tank sealer is ghastly stuff, to be used as a last resort and only if it's really needed.

Mick...........kettle738
Title: Re: resin in tank falling apart
Post by: Seamus on January 02, 2014, 05:01:06 PM
If the ethanol in the petrol is breaking down the sealant, them meths would do the job, basically, this is ethanol with 5% methanol added to stop folk drinking it and to avoid the alcohol duty.
THF is pretty nasty and may now be a banned substance (possible carcinogen).
Title: Re: resin in tank falling apart
Post by: billy192 on January 12, 2014, 05:09:28 PM
so far I have tried petrol and then Acetone noting. i would leave with just petrol and use but the liner is about 1 inch thick at the bottom and it keeps stopping the fuel exiting. i have ordered some MEK (read on the other forum this will shift anyrhing) fingers crossed.
so far spent £60 may have got another tank for that  ;D

Billy
Title: Re: resin in tank falling apart
Post by: RGP750 on January 13, 2014, 09:13:44 AM
I have just re done a 1959 BSA tank, I sealed it with petseal back in 1985 and the ethenol has broken it down and it has sprung a small leak.
I have used a product called Slosh, recommended by VMCC members.
I also got a tin of cleaner that removed the petseal very successfully.
I'm waiting to get the tank painted before i fill with petrol and test for ethenol resistance but only time will tell if it's as good as people say.
Title: Re: resin in tank falling apart
Post by: ka-ja on January 13, 2014, 10:58:42 AM
Hi,
     MEK is a solvent type cleaner for preparing industrial plastic pipe for "glueing" fittings on, both the glue and MEK dissolve the plastic surface, which makes it a very efficient cleaner of most things, including paint brushes, extreme care should be taken not to get any onto your person as it is also a powerful degreaser, if MEK won't shift it, I don't know what will, Just bear in mind it is an industrial product and treat accordingly.----Ken
Title: Re: resin in tank falling apart
Post by: billy192 on January 13, 2014, 04:29:49 PM
RGP750,
 i have sealed my other 3 bikes with POR 50 and after 3 years they are holding great happy just to get this crud out.
Ken,
yes my heavy duty gloves and respirator will be on. i will let you know how it fairs
Thanks
Billy
Title: Re: resin in tank falling apart
Post by: billy192 on January 15, 2014, 05:00:22 PM
well after 48 hrs it looks like its breaking down. now to make a jig to turn it slowly with some nuts and bolts to make a first class job

(http://i1209.photobucket.com/albums/cc393/njwill1/new/Projects/T500/IMG_7358_zpsd7061e71.jpg) (http://s1209.photobucket.com/user/njwill1/media/new/Projects/T500/IMG_7358_zpsd7061e71.jpg.html)

Billy
Title: Re: resin in tank falling apart
Post by: billy192 on January 19, 2014, 04:19:11 PM
well I have built a tank shaker  :o

 http://youtu.be/rmYs1ALYIFU

Billy
Title: Re: resin in tank falling apart
Post by: mick on January 19, 2014, 06:15:33 PM
Nice one Billy  8) cheers Mick
Title: Re: resin in tank falling apart
Post by: Green1 on January 19, 2014, 06:23:11 PM
I thought you were going to turn it slowly that made me dizzy
Title: Re: resin in tank falling apart
Post by: Trigger on January 19, 2014, 06:26:24 PM
Also works if you wrap the tank up in blankets and pop it in the tumble dryer. While the Missus is out.
Title: Re: resin in tank falling apart
Post by: billy192 on January 19, 2014, 06:29:21 PM
NO her in doors would skin me alive  ::)

Billy
Title: Re: resin in tank falling apart
Post by: Trigger on January 19, 2014, 06:31:36 PM
She will never know if shes out.
Title: Re: resin in tank falling apart
Post by: mick on January 19, 2014, 06:39:06 PM
THEY always know  ??? mine usually comes in and says whats that smell? and its usually motorbike related  ;) cheers Mick.
Title: Re: resin in tank falling apart
Post by: SteveD CB500K0 on January 19, 2014, 07:03:54 PM
mine usually comes in and says whats that smell?

I always blame the dog.

 8)
Title: Re: resin in tank falling apart
Post by: Bitsa (Ralph Wright - RIP) on January 19, 2014, 07:07:36 PM
Never mind about smells Mick I threw a 2009 bag of crumpets away and she noticed straight away.I can do anything with the bike in the garage does not notice anything.
They are not of this planet
Cheers
Bitsa
Title: Re: resin in tank falling apart
Post by: Norniron on January 19, 2014, 07:27:53 PM
Also works if you wrap the tank up in blankets and pop it in the tumble dryer. While the Missus is out.
Good man trigger,now i know wot ive gotta do.f**k her and her tumbledryer.i bought it and pay for the electric.
Title: Re: resin in tank falling apart
Post by: Trigger on January 19, 2014, 07:38:48 PM
WHAT, I've got some parts in the dish washer at the moment. She is out with her sister at the cinema. 
Title: Re: resin in tank falling apart
Post by: Trigger on January 19, 2014, 07:40:47 PM
Steve, can your dog use a tumble dryer?.
Title: Re: resin in tank falling apart
Post by: Green1 on January 19, 2014, 07:42:56 PM
I always use the dishwasher brilliant parts washer.I have been caught boiling the master cylinder on the hob.
My dad dried a petrol tank in the oven years ago ??? :o
Title: Re: resin in tank falling apart
Post by: mickwinf on January 19, 2014, 08:41:25 PM
anyone remember those tins of chain grease that you heated up and soaked your chain? I stunk the house out and mum was not happy!
Title: Re: resin in tank falling apart
Post by: Green1 on January 19, 2014, 08:54:10 PM
I remember my dad putting those on the hop.The smell, Barely being able to see the hob getting in the way more than helping put the chain on the T500 Standing on the kick start trying to start it and it not even budging.
These are all things that got me into bikes.   
Title: Re: resin in tank falling apart
Post by: AshimotoK0 on January 19, 2014, 11:55:20 PM
anyone remember those tins of chain grease that you heated up and soaked your chain? I stunk the house out and mum was not happy!

Filtrate Linklyfe .

 Crankcases in the dishwasher are fun too  ;D, Turn the salt off though!!
Title: Re: resin in tank falling apart
Post by: UK Pete on January 20, 2014, 07:41:48 AM
I always use the dishwasher brilliant parts washer.I have been caught boiling the master cylinder on the hob.
My dad dried a petrol tank in the oven years ago ??? :o

Thats what i like to hear, we are all insane ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D
Title: Re: resin in tank falling apart
Post by: Trigger on January 20, 2014, 10:18:40 AM
Yes we must be insane. My father always asked; why do you ride about on these old bike's when there are better upto date bike's out.
Yes, i have had CBR900rrr, ect, ect, but am more happier bombing about on a old CB,CD or CX.
I think it is because our bikes have character, something that a modern bike just can not give us.
Title: Re: resin in tank falling apart
Post by: ka-ja on January 20, 2014, 10:47:00 AM
Hi,
     I've said it before, modern bikes look the same, you sometimes can only tell what they are when you are close enough to read the label!---ken
Title: Re: resin in tank falling apart
Post by: billy192 on January 20, 2014, 03:35:27 PM
with you there, lots of character and great memories of the 70s on these bikes.  ;D ;D
Title: Re: resin in tank falling apart
Post by: Lobo on January 21, 2014, 01:03:08 AM
...mmm, well, I reckon we're all beginning to sound like our fathers when the refined Hondas burst onto the scene..."Eee, modern crap, soulless, no character, wouldn't catch me on one...can't beat my 1943 Triumph xxx!"

Sound familiar gents.... as we all ride our 1970s Hondas! Let's not get too old too fast.. keep an open mind!

Love all my bikes... and would never call the 1200 M'Guzzi Griso 'bland' - an awesome machine just to look at, (I think)... and the big in line V twin giving the thing a lot of 'character' when riding.

Just a thought...

(PS - to get back on track, no resin in any tanks!)
Title: Re: resin in tank falling apart
Post by: RGP750 on January 21, 2014, 10:12:41 AM
Tears just stopped running down my face,nothing like a look back at the past and a good laugh. Oh the memories. I've still got one of those tins of chain goo, don't use it now but a shame to chuck it away.
I remember taking it off of my Mum's cooker and dripping over the kitchen floor oops!!!
,yes we are all mad  ;D ;D ;D
Title: Re: resin in tank falling apart
Post by: Waggles on January 21, 2014, 12:01:51 PM
I remember my old 4 valve Trudge, one bang every lampost at 70mph blah blah!

Think we are just attracted to what was cool in our yoof! I had a yellow F1 then, and have a yellow F1 now! even smells like it did back in the day ( the bike that is ) No doubt modern bikes are 'better' but no centre stand or kick start, tubeless tyres ( safer but I cant fix punctures ) electronic everything that I can't touch etc these things put me off a bit but I would have one if I couldn't have my F1.

I can scare myself more than enough on the F1 so why would I get a Hayabusa?  :-\

Remember that chain grease and the fug it produced in the kitchen  ;D Also remember that no matter how much you cleaned the chain first you could always hear the grit in the bottom of the can as you moved the chain around  ;D  and boy was the chain hot!

+1 on the 'No tank lining goo'
Title: Re: resin in tank falling apart
Post by: Lobo on January 21, 2014, 02:22:06 PM
Gotta admit... that chain grease was my equivalent of glue sniffing.... with the added benefit that my 400F had the most lubed drive in the county...

No benefit of my mum's cooker... just a primus camping stove smoking out the garage. Indeedy happy memories.
Title: Re: resin in tank falling apart
Post by: tom400f on January 21, 2014, 02:52:18 PM
Er, I lubed my 400F chain with one of those heated tins in the summer.... and yes I spilt it on the drive. Trouble is it's difficult to get up as it solidifies pretty soon and you areleft with a solid slick.

Resorted to blowtorching it and adding some white spirit to burn it off. Then use washing up liquid. The weather does the rest. Just a tip for you all....

Oh yes - and Simon let me have ago on his Griso. It is 1200 cc of Italian craziness and loveliness  :-*
Title: Re: resin in tank falling apart
Post by: Lobo on January 21, 2014, 03:12:04 PM
Anytime Tom, .... the CB400F now fully legal, but not yet ridden. Aaargh. Need to come home & take 'her' out.
All in all, a serious thread drift if I ever saw one! Apologies Billy...
Title: Re: resin in tank falling apart
Post by: billy192 on January 25, 2014, 08:27:41 PM
this is what i have taken out manually. its an inch thick on the base. its a cross between paint and silicone in consistency.



(http://i1209.photobucket.com/albums/cc393/njwill1/new/Projects/T500/IMG_7406_zpsbc4b3df9.jpg) (http://s1209.photobucket.com/user/njwill1/media/new/Projects/T500/IMG_7406_zpsbc4b3df9.jpg.html)

(http://i1209.photobucket.com/albums/cc393/njwill1/new/Projects/T500/IMG_7404_zps0a4499df.jpg) (http://s1209.photobucket.com/user/njwill1/media/new/Projects/T500/IMG_7404_zps0a4499df.jpg.html)

(http://i1209.photobucket.com/albums/cc393/njwill1/new/Projects/T500/IMG_7411_zps1b07e6b3.jpg) (http://s1209.photobucket.com/user/njwill1/media/new/Projects/T500/IMG_7411_zps1b07e6b3.jpg.html)

most out now
Billy
Title: Re: resin in tank falling apart
Post by: Trigger on January 25, 2014, 08:32:28 PM
What the hell is that? Looks like someone storing cheese in the tank. A nice soda bast inside and it will look like new.
Billy are you sure that this is not a drug that someone had put in a tank. You could be sitting on a fortune and not realize it.
Easyrider. 
Title: Re: resin in tank falling apart
Post by: billy192 on January 27, 2014, 07:17:49 PM
i don't think you get high on this stuff  :-X

just going to give a quick paint job not to fancy and MOT the bike (1975 Suzuki t500) and run it for a few months till i finish the K6 750. ;D

Billy
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