Do FMF PowerCore 4's use factory gaskets?


5 replies to this topic
  • StryfeS13

Posted June 10, 2012 - 10:57 PM

#1

I bought a 2002 YZ426F that has an FMF PowerCore 4 fitted to it. I noticed today when I removed it that there is no gasket that goes from the muffler pipe to the header pipe. There's just a clamp.

I looked on the microfiche for the YZ426F, and the stock exhaust has a gasket there. Is it supposed to be there? It doesn't seem like there is enough room for a gasket between the two pipes.

#12 on the diagram
http://www.clawsonmo...=2002&fveh=1113

  • grayracer513

Posted June 11, 2012 - 06:57 AM

#2

No gasket. There usually isn't a clamp, either. most aftermarket pipes are slip fits.

  • StryfeS13

Posted June 11, 2012 - 12:02 PM

#3

Well the fmf powercore has little slots in it you know, like it should be clamped down or something.

It leaks a little from the connection between the header pipe and muffler. Will the carbon build up seal it or something?

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  • StryfeS13

Posted June 11, 2012 - 06:52 PM

#4

Anyone?

  • briangriff321

Posted June 11, 2012 - 08:26 PM

#5

Put a little high temp rtv in there

  • StryfeS13

Posted June 11, 2012 - 10:05 PM

#6

What about that copper spray stuff?





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