The Yamaha YZ450F has been widely respected as a powerhouse of a machine for more than a decade now. You'll be lucky to find anyone on earth that could honestly call one slow. Since turning the engine backwards in 2010 the YZ has made big horsepower but Yamaha has had some trouble taming that power to make it useable.
In the past, the power has been very abrupt and has made the YZ feel like a big bike to handle and has required a lot of muscle to hang on to. The engine has been very revvy in the past so that when the rear wheel would break traction the engine rpm's would spike making keeping the bike pointed straight down the track very difficult. In 2023 Yamaha gave us a
