I have screwed up or been screwed up, I got a set of reconditioned cranks have built the engine installed in bike and today went to install the points. Found 2 off cams to fit onto the crank (only need 1). Dragonfly pointed out I needed this but it is not on the parts list. Found two in the last of the parts I got in the box as the bike was a basket case. The keyway has been removed at some point on the refurbished crank, not something I have done.. So the cam does not lock on. I can see where the keyway was.
Any suggestions how I can over come this problem? Or does it need new cranks.