Inner fork tubes must be modified … All the original damping hardware must be removed from the inner fork tubes and I need to end up with a straight hole through the tubes. So I need assistance from someone with a lathe. By Jens|2014-08-01T20:21:38+02:00August 1st, 2014|BMW F800S| Share This Article FacebookTwitterLinkedInTumblrPinterestVkEmail