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Old 06-23-2008, 06:31 AM   #91
cool dude
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Is My Touratech Rear Rallye Tank Repairable?

Hi guys,

I have just bough a Touratech rallye rear fuel tank off of fleabay and to my surprise found it cracked on arrival . It seems like the tank mount has been stressed during a previous Optic 2000 rallye, maybe after a fall. The area would be tricky to get into and yes, it leaks like a sieve.

The tank is made out of Polyamide 6 (PA 6). My question is, can this be repaired for reasonable cost and perhaps reinforced by plastic welding? I have the possibility of returning it to the seller so all is not lost.

Thanks for your input and wisdom. Here are the pics.








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Old 06-23-2008, 09:00 AM   #92
meat popsicle
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PA-6 is what KTM uses for their painted tanks, and I have some links for you from the LC4 index:

http://www.advrider.com/forums/showthread.php?t=62087
http://www.advrider.com/forums/showthread.php?t=62059
http://www.advrider.com/forums/showthread.php?t=113337

I hope you find the info you need. I read that plastic welding is a skill, so if you go that route you should try to find someone who knows what they are doing.
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Old 06-23-2008, 10:58 AM   #93
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Thanks

Thanks for that.

I have read all thread that prefer to Polyamide and tank repair but could not decide whether to stick with it or return it. Given that the tank cost me the equivalent of around $540US then perhaps I would be better returning it for a full refund. Any repair is unlikely to be as strong as the original and I guess that the mounting point puts stress exactly where the fracture occurred.
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Old 09-30-2014, 04:51 AM   #94
svenb
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2003

Hi, Got a crack in my tank i Albaniaraid a week ago.
Its a 2003 and a friend will help welding.
Material?
PA och PA6?
Its marked PA
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Old 10-02-2014, 09:51 AM   #95
meat popsicle
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Quote:
Originally Posted by svenb View Post
Hi, Got a crack in my tank i Albaniaraid a week ago.
Its a 2003 and a friend will help welding.
Material?
PA och PA6?
Its marked PA
The stock KTM 640 Adventure tank was made from Polyamide-6 in 2003 (grey paint).
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Old 01-08-2015, 07:12 AM   #96
hajoktejnSI
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I know it ain't the prettiest repair, but so far (couple of hours) it's holding water. Going to leave it for a couple of days just to be sure. I couldn't do it without discoloring the material I welded with, looks like my soldering gun was an overkill with it's 100 watts ...
I'm going to glue a piece of rubber on both sides to help the tank with absorbing vibrations and impacts.
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Old 04-13-2015, 01:20 AM   #97
Brian7cees
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Thank you so much for starting this thread!!! Do to this thread I was able to save my $1050 adventure tank. Had a round crack about 1/8 inch in diameter. Followed your instructions. Melted it all together with, then built in up using a clear wire tie. Wire ties are vinal too. I did picture document the repair but do not have a place that hurt my pictures so I can't post them. If anyone needs them pm me and I will send them to you
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