The 2024 Honda CRF450R is a high-performance motocross machine engineered for competitive closed-course racing, featuring advanced chassis dynamics, a powerful Unicam® engine, and precise suspension tuning. Engine
Type: 449.8 cc liquid-cooled single-cylinder four-stroke Valve Train: Unicam® SOHC, four-valve (38 mm titanium intake valves, 31 mm steel exhaust valves) Bore x Stroke: 96.0 mm x 62.1 mm Compression Ratio: 13.5:1 Induction: Programmed Fuel Injection (PGM-FI); 44 mm downdraft throttle body Ignition: Full transistorized Starter: Push-button electric Transmission: Close-ratio five-speed manual Final Drive: #520 chain; 13T/49T
Chassis and Suspension
Front Suspension: 49 mm inverted Showa® coil-spring fork with 13-position rebound and 15-position compression damping adjustability; 12.2 inches of travel Rear Suspension: Pro-Link® Showa® single shock with adjustable spring preload, 11-position rebound damping, and six-position high- and low-speed compression damping adjustability; 12.3 inches of travel (approximate based on consistent model data) Frame: Aluminum twin-spar Rake: 27.1° Trail: 4.5 inches
Brakes and Wheels
Front Brake: Single 260 mm disc with twin-piston caliper Rear Brake: Single 240 mm disc Front Tire: Dunlop MX33 80/100-21 Rear Tire: Dunlop MX33 120/80-19
Dimensions and Capacities
Wheelbase: 58.3 inches Ground Clearance: 13.2 inches Seat Height: 38.0 inches Fuel Capacity: 1.7 gallons Curb Weight: 245 pounds (includes all standard equipment, required fluids, and full tank of fuel)
Additional Features
Hydraulic clutch for lighter lever effort and consistent performance High-volume airbox for optimized airflow Aggressive ergonomics optimized for rider control and movement Color: Red
This specification reflects the standard CRF450R model (not the Works Edition variant). All data is derived from official Honda sources and consistent industry references for the 2024 model year. The CRF450R is intended exclusively for competition use on closed courses by experienced riders.