No, they are not knife edged. I think knife edging for power is just an old wives tale that doesnt really do anything.

It does have steel caps around it, though, which I believe take up crank case volume without the added weight of a solid cast unit.

Heck, I could be totally off track, though...
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Paul Herr
'88 FZR4/GSXR/YZF Frankenbike
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