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post #1 of (permalink) Old 05-26-2001, 01:06 AM
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Swing arm bearings!!!

My friend and I have been trying to get his swing arm bearings out for a while and it is pissing me off....We have tried pounding them out, heating the outside so it will expand and let them out easier, but it didn't work, we have tried drilling, but NOTHING WILL WORK!!! What should we do? I don't know if this helps, but it is a 250x I think 1987 or 88...Thanks...

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post #2 of (permalink) Old 05-26-2001, 02:39 AM
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Re: Swing arm bearings!!!

If it is the outter race that is in the swing arm itself , you can take a stick welder (arc welder) and run a big bead right where the brngs. rode on the race, then while it is hot (real hot) pour cold water on it , that will make the race shrink, then you can get it out, good luck

Ride hard, Lifes short
post #3 of (permalink) Old 05-26-2001, 12:08 PM
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Re: Swing arm bearings!!!

you dont even know the year take it to a shop!

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post #4 of (permalink) Old 05-26-2001, 02:53 PM
 
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Re: Swing arm bearings!!!

it doesnt matter what year it is they are all the same

Large balls...the replacement for displacement[img]/wwwthreads_images/icons/laugh.gif[/img]
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post #5 of (permalink) Old 05-26-2001, 04:05 PM
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Re: Swing arm bearings!!!

Alright thanks...I'm not sure if he has an arc welder, but we could probably take it to school.

post #6 of (permalink) Old 05-26-2001, 06:23 PM
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Re: Swing arm bearings!!!

If nothing else will work use a small chisel, place it between the edge of the race and the swingarm. Start at one point and chisel your way around the bearing race, heating the area with a tourch will make it easier. It will look like you are peeling the race away after a while and eventionally you will get the whole race out. The reason you should do this as a last result is that it will damage the surface on the swingarm that the bearing sits on. All you can do is file down any high points and press the bearings into place, so as you can see this is not the first way you should try .

ktmbk
83 ATC 250r (with many extra parts 4 sale), 83 ATC 185s, 89 zuki' 250sport.
post #7 of (permalink) Old 05-26-2001, 09:05 PM
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Re: Swing arm bearings!!!

Heat that ***** up for about 7 mintues with the torch. I had a prob takeing apart a primary and I didn't heated it enought and it didn't help. I tryed it again and heated it up for 5 to 7 minutes and I could almost turn it by hand!

Bigest mistake people make when heat metal is they do heat it up long enough.

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