The pics in the workshop area are not much good since they have been resized and cut in the edges.

The shaft that the clutch is fitted on is not totally symmetrical since there is a little "cut" in the edge, and the clutch itself is not either symmetrical since there are 6 symmetrical "holes" and one extra, in between two of the other holes.
I have marked the "symmetrical divergences" with a red line. How should these red lines be in comparison to each other to align the clutch with the crank.

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MC21, GP-Replica (Daijiro Kato, Telefonica Movistar Team 2001)