| Model | CRF450R | |
| ENGINE | ||
| Type | 449.7cc liquid-cooled single-cylinder four-stroke | |
| Valve Train | Unicam® OHC, four-valve; 10.0mm intake, steel; 8.8mm exhaust, steel | |
| Bore x Stroke | 96.0mm x 62.1mm | |
| Compression Ratio | 13.5:1 | |
| Induction | Programmed fuel-injection system (PGM-FI); 46mm throttle bore | |
| Ignition | Full transistorized | |
| Starter | Electric | |
| Driveline | #520 chain; 13T/49T | |
| Transmission | Constant-mesh 5-speed return; manual | |
| Clutch | Multiplate wet (6 springs) | |
| SUSPENSION | ||
| Front | 49mm fully adjustable leading-axle inverted telescopic Showa coil-spring fork; 12.0 in. travel | |
| Rear | Pro-Link system; fully adjustable Showa single shock; 12.4 in. travel | |
| BRAKES | ||
| Front | Single 260mm hydraulic disc | |
| Rear | Single 240mm hydraulic disc | |
| TIRES | ||
| Front | Dunlop Geomax AT81 80/100-21 w/ tube | |
| Rear | Dunlop Geomax AT81 120/80-19 w/ tube | |
| MEASUREMENTS | ||
| Rake (castor angle) | 27°22' | |
| Trail | 116mm (4.6 in.) | |
| Length | 85.9 in. | |
| Width | 32.5 in. | |
| Height | 50.2 in. | |
| Seat Height | 37.8 in. | |
| Ground Clearance | 12.9 in. | |
| Wheelbase | 58.3 in. | |
| Fuel Capacity | 1.6 gal. | |
| Curb Weight* | 248 lbs. | |
| OTHER | ||
| Colors | Red | |
| *Includes all standard equipment, required fluids and full tank of fuel—ready to ride | ||
| Meets current CARB and EPA off-road emissions standards | ||
