The Yamaha WR450F motorcycle's engine is capable of producing 58 horsepower under optimal conditions. The engine, when properly maintained and in good working order, can reach speeds of over 9,000 revolutions per minute.
The Yamaha WR450F was produced in 2003 and contains a liquid-cooled, single-cylinder, four-stroke engine that has five titanium valves per cylinder. It features wet sump lubrication and both an electric and kick starter. The WR450F is classified as an off-road or dirt bike and is capable of handing rough terrains as well as smooth roadways. It features a fully adjustable Kayaba single shock and weighs approximately 268 pounds.