Gutting pipes

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bikemad
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Gutting pipes

Post by bikemad » Sun Mar 12, 2017 5:57 am

Any advice on what to do/not to do gutting std pipes.
Thanks Ian.

Samuli
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Re: Gutting pipes

Post by Samuli » Sun Mar 12, 2017 6:39 am

bikemad wrote:
Sun Mar 12, 2017 5:57 am
Any advice on what to do/not to do gutting std pipes.
Thanks Ian.
First startby marking the stinger and header pipe with a paint marker or something that will stay well, then you can cut them off. It is important to get these parts in the right angle, otherwise the pipes wont fit well on the bike. So mark and measure well!
Cut them right where on the edge of the weld.
Next cut the reinforcement plates off. ( the top pipe is a bitch)
Next cut them longnitudinaly, you can cut the weld completely off again at the edge.

Next up you will have the pipe in 2 pieces. From the header to the largest part of the pipe, there is a double plate that you want to take off. It is plugwelded in 2 places, in the first corner of the header, and near the end of the doubleplated area. you must grind these off to get it off. Pry the plate so you can feel where the welds are, then grind off. You must also check on the edge of the pipe where you cut it lognitudinaly, that you can see a line between the doubleplate. If you cant see it all the way from header to the end off the doubleplate area, grind it till you can see the line. After this the plate will come off pretty easily.

Next in the fattest part of the pipe there is glasswool and holed plate, this comes off with beating with a chisel and prying with some tools.

Next up clean the areas where your going to weld well, and then weld it back!

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