Maintenance & Technical > KX500 Original

Found a present after riding... broken exhaust mount tab

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bunk:
So went riding this morning w/ my wife... once we got home did the usual bike tear down and wash.  When i went to take off the pipe... i found a little present.  Looks like I have another project this week.













Anyone have any do/don'ts when welding to the frame?  :? Or just grind until clean, then weld?

thanks in advance...

BDI:
Thats normal kx500 breakage right their. How I fix those is weld the piece back on then cut and bend a piece of metal to box the back side of the mount. It will never break again if you do that.As for does and donts Just try not to get it to hot a tig welder would be the way to go.

KX500freak:
at least you did a thorough after-ride inspection! :-D
and for the welding go with bdi,s suggestion
only thing ..try to make sure why how and when it broke ,
that way you can build things better ,and no broken mounts again either.
i,ve done so on my k5,s and never suffered from broken mounts anymore after :-)

bunk:
Thanks BDI & KX500freak... after seeing how it broke and looking at how & where the pipe needed to be hit to break it... and I know exactly when i did it.  At the time I was thinkin it was the left side of the skit plate that took the impact, but i guess the pipe got it instead.  Good thing for the CF pipe guard, or my pretty FMF pipe wouldnt be so pretty.

Johnniespeed:
My new 04 KX500 did that when it was two weeks old.  I figured that welding it would cause a hard spot and it would break again next to the weld. I made a very simple bracket that slips under the radiator mounts and holds the pipe mount, four years later it still holds up great.
  John

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