Maintenance & Technical > KX500 Original
STEERING STEM BEARING Replacement - Any Pointers?
KXcam22:
Stem down through the press, wood under the clamp to protect it and a suitable large socket on the end of the stem, then press away. Some bikes are extremely tight. Cam.
Hick:
Yep thats how i did it. look at the vid on pivot works page good visual.
TheGDog:
Many thanks to all who have contributed to this thread so far.
* I've finally got the Beast apart.
* I've removed the upper and lower bearing race cups from the steering stem tube
* I've remove the lower bearing cage and dust seal, by force snipping them with diagonals after they bent whilst being carefully hammered with punch toward the top of the stem.
This brings me to the point I'm at now. I'd like to post a pic and verify that what my finger is pointing at in the pic is the inner bearing race for the lower end of stem... and that this piece indeed needs to be removed? And once again re-verify the tips & tricks for how best to remove it. I've re-read this thread in its entirety this evening in preparation for attacking this last part of the Steering Stem Bearing Replacement Project that is soooo long overdue.
On to the pic..
Another more close-up...
You'll notice the scratch marks under this lower bearing inner race. These make me question if using the edge of a center punch on the protruding lip of the bottom of the inner bearing race is maybe a bad idea?
How do you get this bastard off?
Polar-Bus:
Option A is to use a pneumatic cutoff wheel to cut the inner race, it works, but gouges the crap out of your stem shaft.
Option B is much better and proffesional, but you need a shop press :
http://www.youtube.com/watch?v=2R92wxhc4_E
I have a shop press, if you want mail me your stem and i'll press the old and new bearing N/C as a favor.
Rich
tobys 2 strokes:
heat the race up and it will fall off some times it will need a tap to get it going
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