hondaprojectnc24 wrote:OK firstly, thanks to all who helped with advice about this. Having now finally removed the flywheel yesterday, I can once and for all put the bolt size issue to rest. The bolt required to remove the magneto flywheel on my NC24 was M20 X 1.5 with a firm tap to the bolt end while applying stress to turn it, using a copper hammer. I recommend copper so as not to damage the magnets. Hope this helps someone else. Thanks again. Chris