dfwilson Posted February 23, 2004 Report Share Posted February 23, 2004 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? Quote Link to comment Share on other sites More sharing options...
copemech Posted February 24, 2004 Report Share Posted February 24, 2004 Just make sure the bearings are not loose! Quote Link to comment Share on other sites More sharing options...
charliechitlins Posted February 24, 2004 Report Share Posted February 24, 2004 How did you check the runout? AT the shaft, or actually at the flywheel? Quote Link to comment Share on other sites More sharing options...
dfwilson Posted February 24, 2004 Author Report Share Posted February 24, 2004 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. Quote Link to comment Share on other sites More sharing options...
charliechitlins Posted February 24, 2004 Report Share Posted February 24, 2004 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? Quote Link to comment Share on other sites More sharing options...
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