The Yamaha YZ450F Monster Energy is a 2023 cross/motocross motorcycle that boasts a new 450cc four-stroke engine. This liquid-cooled DOHC engine is lighter, more compact, and has stronger pulling power across the entire rev range. The rev limit has also been increased by 500 rpm for longer over-rev while still maintaining the YZ450F’s broad power character. The bike features titanium valves, a single cylinder, and a four-stroke engine with a 13.0:1 compression ratio. The fuel injection system is Mikuni® and has a 44mm injection. The bike has a wet sump and a liquid cooling system. The transmission is a 5-speed with a chain final drive and a multiplate wet clutch. The frame is a bilateral beam frame made of aluminum with a 26.9° rake angle. The front suspension is a KYB Speed-Sensitive System, inverted fork that is fully adjustable, while the rear suspension is a KYB® single shock that is also fully adjustable. The bike has a two-tone, motocross-style seat and Dunlop® Geomax MX33 tyres. The front and rear brakes are single disc hydraulic with the front brake being 270mm and the rear brake being 240mm. The bike weighs 108.9 kg (240.0 pounds) and has a fuel capacity of 6.06 litres (1.60 US gallons). The Yamaha YZ450F Monster Energy comes in Team Yamaha Blue/green and has an electric start. It also has traction control, launch control, and power tuner via smartphone. The bike comes with a 30 Day Limited Factory Warranty. Overall, the Yamaha YZ450F Monster Energy is a powerful and versatile motorcycle that is perfect for cross/motocross enthusiasts.