Maintenance & Technical > KX500 Original

Help!!! Upper Pipe Mount Broke Again.

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machine:
.5 squar bar should do it!

What kind of work R U in???? :?:

gowen:
The d**n mount is going to break for the rest of the bikes life. It's just going to happen. I have the same issue and it will NEVER go away. Once broken, it will not stop. I even cut the mount off another KX and welded it up from scratch and it still broke. The vibes just kill the weld and does not hold well. But, if you can keep it welded, let me know, I also am having trouble.

machine:
Mines been welded now for 3 good rides, with no sign of cracking.

I made mine thin, to take up some of the vibes!
I also put a .5 think pice of rubber between the pipe, and mount.

Lucky 4 me. I own a machine shop. And I can make all kinds of goodies.
If this wont work, then I may try to fab up a mount that will clamp all the
way arouund the frame.
We'll get it worked out!!!

Gowen;
What did you weld it with?
And what kind of wire did you use?

hughes:
Machine,

I work for Yamaha Motor Corp. (Marine Division). I provide technical support to our factory team anglers. I have a moblie shop that I set up on site. You may be able to see it in my gallery(Yamaha trailer). I travel mostly in the south east and north east. I live a hour from our engineering factily and that was were I was repairing my bike. I wish I owned and knew how to operate a machine shop. I can't weld so I let the guy's in our machine shop fix may pipe mount. I have no pictures at this time. I did use the 1/2 square stock and cut out the top backside half to fit the frame and welded it. I did what you talked about. I placed a 1/8 slab of rubber between the bracket and the damper pipe mount. Next I through bolted with a 1/4 stainless bolt and lock nut.

machine:
"YAMAHA!!!!!!!!!!!!!" :lol:

Well that sounds like a pretty fun job!
Good to know people in the bizzz.

If you ever think of some things that might help out us KX5'ers
Let me know. I'm always trying to comeup with a good fix 4 anything.
(When time lets me)

Working on (I hope!) a good one now!!!!!  SSSssssshhhhhh!!!!!!!!!!!
 :D

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