February 23, 200422 yr Back when bikes had points you had to remove the flywheel and replace or at least file the points fairly often. When I replaced the points or checked the gap I always checked the flywheel run-out. Now that bikes have electronic ignitions I rarely remove the cover. How often should you check run-out of the flywheel and how much run-out is too much?
February 24, 200422 yr Author I checked it on the shaft perpendicular to the shaft between the woodruff key and the thread. Then put the flywheel back on and checked it at the edge of the flywheel parallel to the shaft. The geometry was such that the measurements are almost identical.
February 24, 200422 yr Uh, oh...I think I'm confused. So is that a geometric measurement that checks that the outer edge of the flywheel is parallel to the shaft?
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