Motorcycles

Honda Hawk GT (NT650): This is the bike I own (which looks a lot like the above picture).
Motorcycle Links Compendium: Lot's of motorcycle links.
CMH-Moto mailing list: A bunch of Columbus(ish) motorcycle enthusiasts, and hopefully some info about motorcycling to be added soon.
Motorcycle Ohio (formerly known as the Ohio Motorcycle Enrichment Program): Information on rider skills programs in Ohio (the basic riding skills program is cheap to Ohio residents (free if you are 16-17 years old).
Motorcycle Home Page: This is a very good starting point, and done largely by a single person.
BikeNet: More good stuff with lots of images (a text-only version is available).
Cycle News On Line: Online MC magazine
WERA: Western-Eastern Roadracing Association
AHRMA: American Historic Racing Motorcycle Association
The Boss Hoss: I don't think it's a hoax...
Steer or Countersteer?: Pictures I made.