Motorcycle
From scoot.net
A motorcycle two wheeled cousin of the scooter. Motorcycles are identified by having one wheel in front of the other, an engine mounted between the two wheels, and a full frame that is straddled when riding.
Modern motorcycles are divided by category: vintage, standard, cruiser, dual-sport, sportbike, and touring. Motorcycle riders (bikers) tend to adopt the personality of their chosen bike. Standard, vintage and touring bikers seem to be most friendly toward scooters.