Honda CRF450R:

For 2020, Honda’s flagship CRF450R puts more engine-management choices at the fingertips of racers, with the addition of Honda Selectable Torque Control (HSTC). Developed through HRC’s worldwide racing effort, the system maximizes rear-tire hookup to keep all of the Unicam® engine’s horsepower driving the bike and rider forward, improving racing success regardless of track conditions.

It has the most aggressive character and is the most free-revving of all six 450cc MXers, which includes the Kawasaki KX450, Yamaha YZ450F, Suzuki RM-Z450, KTM 450 SX-F, and Husqvarna FC 450.

Revised mapping for riding modes in Standard, Smooth and Aggressive options, selectable via a separate handlebar-mounted switch.


Engine type: Electric-start, 4-valve, SOHC four-stroke
Displacement: 449cc
Transmission: 5-speed
59.74 hp @ 9,800 rpm
Torque: 32.2 lb.-ft. @ 6,900 rpm

Yamaha YZ450F:

More Powerful. Better Handling. Simply put, the 2020 YZ450F is better everywhere, with a more compact motor, a thoroughly refined and balanced chassis, and improved ergonomics to give the rider the ability to perform at their best, lap after lap.

Yamaha engineers gave the 2020 model a multitude of updates, including a more compact cylinder head, redesigned frame, and refined the KYB suspension’s compression and rebound characteristics.

The bike makes more controllable low-end and midrange power.


Engine: Liquid-cooled, DOHC, single-cylinder
Displacement: 449.9cc
Power: 58.56 hp @ 9,700
Torque: 29.3 lb.-ft. @ 7,100 rpm
Transmission: 5-speed



– Exciting and powerful engine
– Effective power Deivery
– Mapping settings


– Complicated electronics
– Heavier



– Strong top end power
– Cornering efficiency
– Kayaba SS forks


– Bulky and loud
– Heavier


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