Good motocross dirt bikes include the Honda CRF 450R, the ATK Intimidator, the BMW 1200 GS Adventure and the KTM 450 SX-F, states The Cheat Sheet. The KTM and BMW models are the fastest motocross bikes on this list, clocking in at 123 and 125 miles per hour, respectively.
The Honda CRF 450 has a top speed of 87 mph, making it one of the fastest motocross bikes available. The CRF 450 features a 449cc engine with liquid cooling. One of the bike's strong suits is its low curb weight of 243 lbs, which allows for superior handling.
With a 685cc engine producing 78 horsepower, the ATK Intimidator has a top racing speed of roughly 110 miles per hour. The Intimidator's performance is aided by a low dry weight of only 238 pounds.
With a top speed of 125 mph, the BMW 1200 GS Adventure is an unusually fast dirt bike. The bike is fairly heavy at 573 lbs. To compensate, the vehicle's engine produces 125 hp and it has a torque rating of 92 pound-feet. This motor bike's 2014 model featured quite a few improvements over previous model years. For example, the model included Automatic Stability Control as a standard feature, and its fuel tank capacity increased 2.6 gallons to 7.9 gallons.