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Fork swap question, getting old stuff out

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Old Nov 23, 2008 | 09:02 PM
  #1  
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Default Fork swap question, getting old stuff out

Im trying to get all the old parts out of the F4i neck and I think I need to get these 2 parts out that I guess are bearing races, even though I thought I got all the oldparts out that are listed as being in there.


There is a little relief cut in the frame inside the neck for what I presume is to make it possible to knock these pieces out. I'm installing new "All *****" brandauto style bearings and not the Honda style bearings. Wanted to see if anyone has done this or a similar job before I punch them out.






 
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Old Nov 25, 2008 | 09:54 PM
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Default RE: Fork swap question, getting old stuff out

Nobody?
 
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Old Nov 26, 2008 | 11:34 PM
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Default RE: Fork swap question, getting old stuff out

Strike, the only reason to remove those races are if they are munged up from the crash or the bearings are TOTALLY not the same. If you absolutely have to remove them then you are correct that those are press marks. You may end up having to heat the frame to get them out and could damage the mating surface unless you have an arbor press. I really don't advise removing them though.
 
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Old Nov 27, 2008 | 12:48 AM
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Default RE: Fork swap question, getting old stuff out

Happy somebody piped up with some knowledge. I'm replacing the stock Honda ball bearings with tapered roller bearings from "All *****"

My somewhat limited knowledge had me thinking these were the races for the ball bearings and that I would have to remove them to get my new bearings and races to fit since mine are a different style, like wheel bearings basically.

Guess I'll get to slowly tapping them out. Luckily I've got a fullsizetorch about 10 feet away from where these pics were taken. Thanks
 
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Old Nov 28, 2008 | 09:04 AM
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Default RE: Fork swap question, getting old stuff out

the new ones will likely come with new races, but as posted above, i wouldnt remove the old ones unless they are messed up.
 
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Old Nov 28, 2008 | 09:22 AM
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Default RE: Fork swap question, getting old stuff out

ORIGINAL: mikebluep5

the new ones will likely come with new races, but as posted above, i wouldnt remove the old ones unless they are messed up.
My new bearings have races but to install the new bearings and races I have to get these old races out and they are 2 different style bearings that are made for this application. I might just return the new ones and get the Honda ones and use the old races but the new ones are supposed to be a better design.
 
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Old Nov 28, 2008 | 08:22 PM
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Default RE: Fork swap question, getting old stuff out

StrikeAnywhere, keep the AllBalls, I just put mine in a month ago so hopefully all of this should help:

With the new tapered bearing, the races aren't the same at all, so all the old bearing parts will be coming off. Simple use a metal punch and knock out those bearings right where the dimples in the neck are, they should be very easy to get out (you shouldn't need a torch at all and I wouldn't recommend using one).

Throw your new outer races in the freezer the night before, as well as the steering stem, and it will make the install much easier. To install the bottom bearing on the steering stem, I went to Ace Hardware and bought a big pipe that would fit over the steering stem, but small enough to drive the race on, as well as longer than the steering stem so you can hit it down. Use all of the old races to drive the new races/bearings on so that you don't chip the new ones (big no-no). Don't forget to put the dust seal on before the bottom bearing too! (Don't ask )

Use a ball been hammer to hit the top of your pipe and drive the bottom bearing on, making sure it goes on nice and straight. This is definitely the hardest part to do as it will want to go crooked. After you get the bearing all the way on, the other races are pretty easy to put in the neck. Just use your old ones and a punch to tap them on (alternate sides of the race ever few punches) and you'll hear the noise change when they are all the way on. Then you just stick the neck through and slide the other bearing on, then you're done! I would also recommend making a steering stem socket so you can torque it all down.

PM me if you need more help, and this is what I followed when I did mine: http://www.cbrxx.com/honda-cbr-xx-re...cbr1100xx.html.
 
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Old Nov 28, 2008 | 08:34 PM
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Default RE: Fork swap question, getting old stuff out

Muchos gracias, I just knocked the old races out about an hour ago. It just took a few different tools to find the right one to fit in there. Long 3/8 drive extension eventually got it done. Info greatly appreciated as this is not something I want to go trial and error with.
 
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