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Old 08-30-2013, 07:28 AM   #1
35xj OP
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Location: asheville, nc
Oddometer: 900
unwrap your pipe!

when I bought my 950 s last year, I knew that the header wrap around the front pipe was not the best idea, but I started riding, and kinda forgot all about it!
well, fast forward to Saturday, and I started to notice an exhaust leak sound, and then the backfiring began.

Time to take a look! pulled the pipe, and cut off the wrap to find this...


pipe was eaten 1/3 of the way around, and the inside of the bend was pretty thin too. SHIT! that pipe is 269.00!

so, luckily, I have a friend who's into old bikes.
http://hughshandbuilt.com/

so a call was made. he tigged up the hole, and layed a bunch of fill in to get some substance back to the pipe. REALLY nice work!
then his welder went down, and I decided i'd finish it up....
cut a patch from some Toyota knuckle shims I had laying around. Not really nice work!

Upside. I didn't spend the 270, and the exhaust leak is gone!

guess at some point ill order the new pipe, and get it jet hot coated.
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Old 08-30-2013, 08:09 AM   #2
Katoom72
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Same deal with forksocks. Good to have them on when you're gonna blast trough some rocky terrain with friends. But i don;t get the people that keep them on for longer period of times, the sand that get's imbetween them acts like sandpaper on the inner tubes...
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Old 08-30-2013, 09:39 AM   #3
pdxmotorhead
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POR has a product that they claim will take exhaust heat, (1700 I think) and you paint it on, its heat cured. For a pipe with pre-existing issues, might be worth it for the cosmetics... I've used POR to do actual repairs in metal, soaked fiberglass cloth and used the POR as a resin. Wonder if some CF and black POR would insulate a header pipe... Hmm.. Maybe try it on my lawnmower first...

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Old 08-30-2013, 10:55 AM   #4
CPRFAB
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Header wrap should only be used when absolutely necessary. When there is no other option. It super heats the materials beyond their molecular capability and will break them down as well as holding moisture as seen here. Ceramic is best but these pipes are just mild steel with a cheap chrome and mig welded without any purging gas. Production stuff.
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Old 08-30-2013, 02:43 PM   #5
injun
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header wrap

WAS MELTING BOOTS! much better now.With wraps on
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Old 08-30-2013, 04:32 PM   #6
advrockrider
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por 15

They do make some good products and I have used many with good results. I used wrap on my vw drag car with the same results, rotted out exhaust! Stay away from it, heat shields are more work but wont destroy you exhaust...
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Old 09-02-2013, 05:44 PM   #7
5 speed
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Quote:
Originally Posted by CPRFAB View Post
Header wrap should only be used when absolutely necessary. When there is no other option. It super heats the materials beyond their molecular capability and will break them down as well as holding moisture as seen here. Ceramic is best but these pipes are just mild steel with a cheap chrome and mig welded without any purging gas. Production stuff.
Boy, I hope so!!! Have it on my 530. Much prefer it to making contact with the naked pipe. when it does rot through, it gives me the excuse with the wife to get a full exhaust system. I will get it ceramic coated.
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