| Model | CRF450R-S |
| ENGINE | |
| Type | 449.7cc liquid-cooled 10º single-cylinder four-stroke |
| Valve Train | Unicam® OHC, four-valve; 38 mm intake, titanium; 31 mm exhaust, steel |
| Bore x Stroke | 96.0 mm x 62.1 mm |
| Compression Ratio | 13.5:1 |
| Induction | Programmed fuel-injection system (PGM-FI); 46 mm throttle bore |
| Ignition | Full transistorized |
| Starter | Push-button electric starter |
| Transmission | Constant-mesh 5-speed return; manual |
| Clutch | Multiplate wet (6 springs) |
| Final Drive | #520 chain; 13T/49T |
| SUSPENSION | |
| Front | 49 mm 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/ 12.4 in. wheel travel |
| BRAKES | |
| Front | 2-piston caliper (30 mm, 27 mm) hydraulic; single 260 mm disc |
| Rear | 1-piston caliper hydraulic; single 240 mm disc |
| TIRES | |
| Front | Dunlop Geomax MX3S 80/100-21 w/ tube |
| Rear | Dunlop Geomax MX3S 120/80-19 w/ tube |
| MEASUREMENTS | |
| Rake (Caster Angle) | 27°22’ |
| Trail | 116 mm (4.6 in.) |
| Length | 85.9 in. |
| Width | 32.6 in. |
| Height | 49.6 in. |
| Ground Clearance | 12.9 in. |
| Seat Height | 37.8 in. |
| Wheelbase | 58.4 in. |
| Fuel Capacity | 1.66 gal. |
| Color | Red |
| Curb Weight* | 247 lbs. |
*Includes all standard equipment, required fluids and full tank of fuel—ready to ride
Specifications subject to change
