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Steering head bearing replacement
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Calling the FOAK...
I am having trouble removing some taper roller bearing races from the
steering head of a bike.
There is not enough material of the race sticking out to hammer them
out with a drift like i normally do.
Any ideas for removing them?
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Weld a large washer to the tapered (open) side of the race and pound
'em out. I was told welding a bead around the periphery of the race
would shrink it enough after cooling to make them fall out easily, but
it's no harder to bung a washer in there and it gives you something to
pound against. When I did this on my ZG1000 they tapped out very easily.
You can see I "can't weld for toffee" with a cheap borrowed wire
feed welder that has terrible amperage and feed control, but it did
the job.
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Now this seems like a cracking idea, the frame needs a touch of weld so
I'll get my friendly mechanic to weld some washers to the bearings.
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Get your friendly mechanic to replace the bearing races when he does the
welding for you. Job done
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Yes, or do it yourself BUT be sure to file (dremel or rotating file) a
few pockets in the steering head inside where the races sit. That way
it is easy to knock the races out the next time.
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That's a smart idea.
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In principle yes, but on the ZG the design of the steering head
tube prevents access to the back of the race. There's a narrow
necked down area in the middle so even if you dremeled out a
spot to put a drift against the back of the race, the drift
can't hit it.
Kawasaki sell a special tool set to extract the races and press
the new ones in, but most mechanics appear to end up doing the
welding thing.
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