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The top of the new shaft has a taper that is simply a press-fit into the old shaft's holes in the upper seat mount/spring
assembly, then the lower portion goes down through the 1" ID tapered roller, and the stepped bottom end gets lateral
(anti-wobble) support from the needle bearing in the bottom cup.





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Information contained in these pages is for reference and entertainment purposes only.  Our methods are not always the best,
quickest, safest, or even the correct ones. It's up to you to know how to use your own machines and tools.
Keep your fingers away from the spinny blades o' death and you should be all right.