| 2008 CRF450X | |
| Engine Type: | 449cc liquid-cooled single-cylinder four-stroke with electric start |
| Bore and Stroke: | 96.0mm x 62.1mm |
Compression Ratio: |
12.0:1 |
| Valve Train: | Unicam; four valve |
| Induction: | Keihin 40mm flat-side |
| Ignition: | CD |
| Starter: | Electric & kick |
| Transmission: | Wide-ratio five-speed |
| Final Drive: | #520 T-ring-sealed chain; 13T/51T |
| Front Suspension: | 47mm Inverted Showa cartridge fork with 16-position rebound and 16-position compression-damping adjustability; 12.4-inch travel |
| Rear Suspension: | Pro-Link Showa single-shock with spring-preload, 17-position rebound-damping adjustability, and compression-damping adjustment separated into low-speed (13 positions) and high-speed (3.5); 12.4-inch travel |
| Front Brake: | Single disc with twin-piston caliper |
| Rear Brake: | Single disc |
| Front Tire: | 80/100-21 |
| Rear Tire: | 110/100-18 |
| Rake: | 27.05 degrees |
| Trail: | 115 mm (4.5 inches) |
| Wheelbase: | 58.2 inches |
| Seat Height: | 37.9 inches |
| Ground Clearance: | 13.6 inches |
| Curb Weight: | 269 pounds with all fluids |
| Fuel Capacity: | 1.9 gallons |
| Colors: | Red |