| Model | CRF450RX |
|---|---|
| ENGINE | |
| Type | 449.8cc liquid-cooled 10º single-cylinder four-stroke |
| Valve Train | Unicam® OHC, four-valve; 38mm intake, steel; 31mm exhaust, steel |
| Bore x Stroke | 96.0mm x 62.1mm |
| Compression Ratio | 13.5:1 |
| Induction | Programmed fuel-injection system (PGM-FI); 44mm throttle bore |
| Ignition | Full transistorized |
| Starter | Push-button electric starter |
| Transmission | Constant-mesh 5-speed; manual |
| Clutch | Multiplate wet, hydraulically actuated (6 springs, 8 plates) |
| Final Drive | #520 sealed chain; 13T/50T |
| SUSPENSION | |
| Front | 49mm fully adjustable leading-axle inverted telescopic Showa coil-spring fork w/ 12.2 in. travel |
| Rear | Pro-Link system; fully adjustable Showa single shock w/ 12.1 in. travel |
| BRAKES | |
| Front | 2-piston caliper (30mm, 27mm) hydraulic; single 260mm disc |
| Rear | 1-piston caliper hydraulic; single 240mm disc |
| TIRES | |
| Front | Dunlop Geomax AT81 90/90-21 w/ tube |
| Rear | Dunlop Geomax AT81 120/90-18 w/ tube |
| MEASUREMENTS | |
| Rake (Caster Angle) | 27.5° |
| Trail | 116mm (4.6 in.) |
| Length | 85.6 in. |
| Width | 33.0 in. |
| Height | 50.4 in. |
| Ground Clearance | 13.1 in. |
| Seat Height | 37.7 in. |
| Wheelbase | 58.2 in. |
| Fuel Capacity | 2.1 gal. |
| Curb Weight* | 256 lbs. |
| OTHER | |
| Color | Red |
