| Model | CRF450X | |
| ENGINE | ||
| Type | 449.7cc liquid-cooled 10º single-cylinder four-stroke | |
| Valve Train | Unicam® OHC, four-valve | |
| Bore x Stroke | 96.0 mm x 62.1 mm | |
| Compression Ratio | 12.0:1 | |
| Induction | Programmed fuel-injection system (PGM-FI); 46mm throttle bore | |
| Ignition | Full transistorized | |
| Starter | Push-button electric starter | |
| Transmission | 6-speed wide ratio; manual | |
| Clutch | Multiplate wet (6 springs) | |
| Final Drive | #520 sealed chain; 13T/51T | |
| SUSPENSION | ||
| Front | 49mm fully adjustable leading-axle inverted telescopic Showa coil-spring fork w/ 12.0 in. travel | |
| Rear | Pro-Link system; fully adjustable Showa single shock w/ 11.8 in. wheel travel | |
| BRAKES | ||
| Front | 2-piston hydraulic; single 260 mm disc | |
| Rear | 2-piston hydraulic; single 240 mm disc | |
| TIRES | ||
| Front | Dunlop Geomax AT81 80/100-21 w/ tube | |
| Rear | Dunlop Geomax AT81 110/100-18 w/ tube | |
| MEASUREMENTS | ||
| Rake (Caster Angle) | 28°36’ | |
| Trail | 143 mm (5.6 in) | |
| Length | 86.3 in. | |
| Width | 33.3 in. | |
| Height | 50.3 in. | |
| Ground Clearance | 13.1 in. | |
| Seat Height | 37.9 in. | |
| Wheelbase | 58.7 in. | |
| Fuel Capacity | 2.0 gal. | |
| Color | Red | |
| Curb Weight* | 275 lbs. | |
*Includes all standard equipment, required fluids and full tank of fuel—ready to ride
Specifications subject to change
