Thruxton R - Exhaust pipes discoloration / imperfection - Page 6 - Triumph Forum: Triumph Rat Motorcycle Forums
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post #51 of 162 (permalink) Old 04-28-2016, 06:30 PM
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Quote:
Originally Posted by Forchetto View Post
Stainless pipes often do that, specially if they're not cleaned before the first start with some sort of degreasing liquid to remove otherwise invisible finger marks, etc. They soon become visible once they reach a high temperature.

Could be worse, check out the state of these pipes on a Thruxton R during the launch road tests:

https://youtu.be/ZrmfElkpilI?t=115

This. It happens on all pipes of similar finish. If you touch your pipe then start your bike up and ride around, you'll probably have a fingerprint(s) burned into your exhaust. As far as I know (based on trial and error as well as asking a friend that owns a dealership), you can only remove imprints like that mechanically - polishing compound, etc.
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post #52 of 162 (permalink) Old 04-29-2016, 01:19 PM Thread Starter
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Unfortunately it is exactly what I have on my pipes...
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post #53 of 162 (permalink) Old 04-29-2016, 06:46 PM
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Originally Posted by Scotty UK View Post
Looks like Triumph need to send out a bulletin to all dealers to wipe those header pipes down with alcohol or some other grease remover before the motor is first fired up....
Unless things have changed they fire all the bikes up at the factory and run on a rolling road to check everything is working OK.

So they should make sure that the pipes are perfectly clean.

I would have though that the guys on the production line would be wearing gloves?

So perhaps it's happening after the first fire up, at the dealers?

It does need addressing though. What happens when you get the bike is down to you but before that it should be as perfect as it can be. That's one of the reasons why you buy new!

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post #54 of 162 (permalink) Old 04-29-2016, 07:04 PM
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I see from reading the rest of the posts that others are aware the first start up is done at the factory.

Natural blueing/discolouration is one thing, I'm in the liking it camp. But not liking it when it's irregular due to finger/hand prints.

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post #55 of 162 (permalink) Old 05-02-2016, 07:14 PM
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I haven't had this issue on my R yet. It only has 100+ miles on it but so far the headers look great. I will ask the guys at Triumph of Seattle if they wiped it down beforehand. It wouldn't surprise me because they are great.

Anyone else buy from there and have this issue?
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post #56 of 162 (permalink) Old 05-03-2016, 10:42 PM
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Even though these pipes are now double walled, they still get plenty hot. I want to suggest to anyone taking delivery of one of these twins that they'll want to wipe down the pipes between the headers and the mufflers before riding the bike for the first time. This'll remove dirt, oil and preservative, and fingerprints, all of which might otherwise burn themselves into the new chrome. I'd use a clean, soft cloth and a cleaner like Windex.

I did this before taking delivery of my new T-100 in 2003. The pipes still blued, but they did so evenly.

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post #57 of 162 (permalink) Old 05-04-2016, 10:48 AM
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One downside to the fake side panel where the exhaust goes into the the cat, I have a break in the annealing color, ends where it enters the cat and starts again when it comes out, looks odd...

Can't wait for the aftermarket exhaust to start coming out.
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post #58 of 162 (permalink) Old 05-04-2016, 11:18 AM
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Quote:
Originally Posted by tsmgguy View Post
Even though these pipes are now double walled, they still get plenty hot. I want to suggest to anyone taking delivery of one of these twins that they'll want to wipe down the pipes between the headers and the mufflers before riding the bike for the first time. This'll remove dirt, oil and preservative, and fingerprints, all of which might otherwise burn themselves into the new chrome. I'd use a clean, soft cloth and a cleaner like Windex.

I did this before taking delivery of my new T-100 in 2003. The pipes still blued, but they did so evenly.
I do agree that dealers should be advised not to start the bikes before first doing a header pipe wipe down.

I thought the Thrux R header pipes are brushed stainless, not chromed?
The discoloration is probably a thin baked on layer of dried grease that is embedded in the recesses of the brushed finish.
A strong enough solvent, like OOPS should be able to lift those spots along with a little mechanical effort with a 3M scouring pad.
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post #59 of 162 (permalink) Old 05-05-2016, 10:17 AM Thread Starter
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Triumph told my dealer to try a metal polish paste what he did without any success...
As Triumph refuses waranty on the part replacement I will try to find an OOPS equivalent here in France.
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post #60 of 162 (permalink) Old 05-05-2016, 11:57 AM
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Another solution you can try is a hand drill with a small 2" buffing wheel and some Blue clay for buffing stainless steel.
The clay has tiny abrasives designed to shave the surface of SS very finely. This should certainly remove the stains.
The 2" wheel should be small enough to work inside between the pipe and cylinders.
Smaller wheels can be had. Use very light pressure at first to test a small area.
Once you judge the effort required for the desired effect, you can go full bore on it.

It requires more physical effort than the OOPS solution, but doesn't require dangerous chemicals.
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