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Cracked cross member on frame

  • Thread starter Thread starter Schweisshund
  • Start date Start date
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Schweisshund

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I accidentally noticed there is a very clear crack where the tree stand mount is. It is a cross member and part of the structural integrity of the frame. If it breaks, it will warp the frame. Can it be welded without removing the motor? I can reach it by hand.
 
Cracked tree stand... I wouldn't worry about it till next Christmas. :) Just joking of course. I would like more information to make sure mine is not also cracked...
 
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I think it is fortunate that you "accidentally noticed" the crack.... that could have been disastrous if it had came undone while riding.
 
Here it is:



can that be welded where it is, or do I need to remove the engine?
 
I think it is fortunate that you "accidentally noticed" the crack.... that could have been disastrous if it had came undone while riding.

Me too. I was actually looking for where the wires plugged into the stator when I noticed it.

I hit a very deep pothole (at 2 a.m.) about two weeks ago. I was sure I knocked something loose. I didn't see it then.
 
Hopefully the pothole did not do the damage. If it did, I'd be checking the rims, too.

The crack is easy enough to see, but I am having difficulty picturing just where that is.

The engine is easy to see, it looks like it might need to come out to get access to the back side of the crack.

However, I am NOT a welder, and don't know if a good welder has those limitations.

.
 
Sorry for the "tree stand" comment - I don't know why I call it that ... I just do. It's the center stand.
 
I'd have a closer look and maybe tap around that area with a wrench or small hammer to check that the frame didn't crack due to internal rusting. Looks like more than a simple crack ....sure hope I'm wrong.
 
Hopefully the pothole did not do the damage. If it did, I'd be checking the rims, too.

The crack is easy enough to see, but I am having difficulty picturing just where that is.

The engine is easy to see, it looks like it might need to come out to get access to the back side of the crack.

However, I am NOT a welder, and don't know if a good welder has those limitations.

.


If it is on a lift, a welder can reach it without engine removal. But, I don't have a lift.
 
((sighs)) I have another parts bike that is rust free - I really don't want to do a transfer on to it ... plus, changing the title.
 
I'd have a closer look and maybe tap around that area with a wrench or small hammer to check that the frame didn't crack due to internal rusting. Looks like more than a simple crack ....sure hope I'm wrong.

yes, it is internal rusting, but looks (and appears and feels) to be that area. It is a hollow steel tube.
 
Looks like you would need to remove the exhaust and probably gas tank and oil and lay the bike over. Clean the area with a flap wheel and then dremel to get into the nooks.

Also disconnect the battery and harness grounds to the R/R, make sure the ground clamp for the welder is close to the welding location and see if a solid weld can be made. If it is too rusted it will probably just burn through and you would be SOL.
 
Looks like you would need to remove the exhaust and probably gas tank and oil and lay the bike over. Clean the area with a flap wheel and then dremel to get into the nooks.

Also disconnect the battery and harness grounds to the R/R, make sure the ground clamp for the welder is close to the welding location and see if a solid weld can be made. If it is too rusted it will probably just burn through and you would be SOL.

Ok, thanks for the tips. If it doesn't work, I will start the long process of stripping down the bike and transferring it to another frame. (groans)
 
Ok, thanks for the tips. If it doesn't work, I will start the long process of stripping down the bike and transferring it to another frame. (groans)


I has something similar: I had compelery striped my frame sandblasted and repainted and was going reassembly during a complete GSXR conversion including Bandit Swing arm. As I was remounting the rear shocks the mounting bolt broke off due to a poorly re-welded repair from a former PO.

I was close to apoplectic, but in the end, I shielded the bike and keep the welding clamp directly on the bolt and using my trusty $100 HF welder a new one was welded without damaging the paint too much.
 
I has something similar: I had compelery striped my frame sandblasted and repainted and was going reassembly during a complete GSXR conversion including Bandit Swing arm. As I was remounting the rear shocks the mounting bolt broke off due to a poorly re-welded repair from a former PO.

I was close to apoplectic, but in the end, I shielded the bike and keep the welding clamp directly on the bolt and using my trusty $100 HF welder a new one was welded without damaging the paint too much.

I have two other frames. One is completely stripped down to the bare bones and a section of the frame is badly damaged. The other is in near mint condition and I wanted to rebuild an additional bike using it. The one that is damaged has the exact center stand mount and cross member and that part is not rusted or damaged. I am thinking ..... Cut both cross members off, weld the good one to where the bad one was and keep the mint frame unmolested ???

it also appears it can be done without removing anything, but using a lot of shields. Some places will be a tight fit.
 
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