removing stopper when installing pipes?

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yz400ex

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Feb 8, 2009

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• Nov 26, 2009

• #1

I am helping my bother in law install some PSI twin pipes in his 99 rmk chassis. The lower pipe sits right on the bump stop/anti vibe piece that the stock pipe bracket sits on.. Does this need to be removed or can it be left on? Since the pipe sits right on it, will it get hot enough to just melt it?? I have an arrow pointed to the piece I am talking about. If anyone know on this, please let me know..

 

Last edited: Jun 16, 2011

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theultrarider

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Nov 26, 2007

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Soldotna Alaska

• Nov 26, 2009

• #2

It depends on the pipe. If they sit in there nicely with the rubber bumper left in place, I would leave it on there. You can put a piece of heat tape on the bumper and it will be fine. I have done this per the pipe instructions on one of my sleds, just can't remember which setup that was. It is hell to get old and forgetfull :beer;

 

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Island Rider

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Feb 12, 2008

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nanaimo b.c

• Nov 26, 2009

• #3

I had a set of slp twins in mine and I had to remove the stock bracket , but the kit came with another bracket that rivets in the same place as the stock one , it was l shaped and about 6 inchs long with a hole in the top to put the stock rubber bumper in for the pipes to sit on . If you bought the pipes used you may have not received all the hardware .

http://www.startinglineproducts.com/instsheets/09-726.pdf

 

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yz400ex

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Feb 8, 2009

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• Nov 28, 2009

• #4

These are PSI twin pipes though and not SLP.. Not sure what the differences are in how they sit in there, but these sit directly on the stopper.. I guess I will just cover in heat tape and hope for the best..

 

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JustinB

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Dec 21, 2008

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• Nov 28, 2009

• #5

Ok Your bump stop will melt But if you dont want to damage your pipes cut down the bracket for it I just buy new bumps every year they are cheaper than pipes also I solved it with heat wrap.

 

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yz400ex

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Feb 8, 2009

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• Nov 28, 2009

• #6

what do you mean by cut down the bracket so the pipes dont get damaged?? If the bracket was cut how do you keep the stopper there?

 

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JustinB

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Dec 21, 2008

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• Nov 28, 2009

• #7

yz400ex said:

what do you mean by cut down the bracket so the pipes dont get damaged?? If the bracket was cut how do you keep the stopper there?

Click to expand...

If you don't use a stopper the bracket that holds the bump hits the pipe on hard landing and will put a hole in you pipes (experience).

 

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yz400ex

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Feb 8, 2009

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• Nov 28, 2009

• #8

So you just meant, leave the stopper and replace it every year?

 

J

JustinB

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Dec 21, 2008

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• Nov 28, 2009

• #9

yz400ex said:

So you just meant, leave the stopper and replace it every year?

Click to expand...

Yeah thats what I have done on mine make sure to strap those pipes down with springs if they are loose they will crack in half.

 

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rdr99

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Nov 30, 2007

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helena, mt

• Nov 29, 2009

• #10

If you remove the bracket the bulkhead will crack. The bracket also acts as a support for the corner of the bulkhead. I ran PSI twins on a 800, I just left the rubber bumper there and replaced it once a year.