Motorcycle racer Ralph Hudson, current FIM World Record holder for the all-time fastest non-streamliner motorcycle at 297 mph, died from injuries suffered three weeks ago at Bonneville, according to a statement released by the family. .... A gust of wind sent him into a speed wobble – also known as a tank-slapper - from which he did not recover. ... Hudson made a one-way pass of 304 mph, the fastest ever recorded speed for a sit-on motorcycle.