| General |
| Comments | Model ID: CRF450X | Optional Electronic Power Steering |
| Colours | Red/white | Blue/White |
| Warranty | - | 90 Day (Limited Factory Warranty) |
| Dimensions |
| Ground Clearance (in.) | 5.8 inches | 4.1 inches |
| Wheelbase (in.) | - | 33.7 inches |
| Ground Clearance (mm) | 147 mm | 104 mm |
| Seat Height | 549 mm / 21.6 in. | 485 mm / 19.1 in. |
| Wheelbase | 914 mm / 36.0 in. | - |
| Height | - | 714 mm / 28.1 in. |
| Length | - | 1,245 mm / 49.0 in. |
| Width | - | 574 mm / 22.6 in. |
| Weights & Capacities |
| Oil Capacity (Quarts) | - | 0.16 quarts |
| Oil Capacity (l) | - | 2.40 litres |
| Dry Weight | 47 kg / 103.6 lbs | - |
| Fuel Capacity | 3.00 litres / 0.79 gallons | 200.61 litres / 53.00 gallons |
| Wet Weight | 122.0 kg / 269.0 lbs | 38.6 kg / 85.0 lbs |
| Engine |
| Bore x Stroke (in,) | 1.5 x 1.6 inches | 1.6 x 1.5 inches |
| Bore x Stroke (mm) | 39.0 x 41.4 mm | 40.0 x 39.2 mm |
| Displacement (cc) | 49.00 cc | 49.00 cc |
| Displacement (ci) | 2.99 cubic inches | 2.99 cubic inches |
| Engine Type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel Control | SOHC | Single Overhead Cams (SOHC) |
| Engine Detail | - | Reed-valve inducted |
| Fuel System | Carburettor. 13mm piston-valve carburator | Injection. EFI |
| Compression Ratio | 10.0:1 | 6.0:1 |
| Emissions | Meets current CARB and EPA standards. | - |
| Engine Lubrication | - | Wet sump |
| Fuel Reserve | 0.80 litres / 0.21 gallons | - |
| Ignition | CD | CDI |
| Starter | Kick | Electric |
| Valve System | - | 4 |
| Drivetrain |
| Clutch | Automatic | - |
| Final Drive | Chain | Shaft drive (cardan) |
| Gearbox | 3-speed | Automatic |
| Primary Drive | #520 T-ring-sealed chain; 13T/51T | 2WD/4WD/diff-lock. V-belt with all wheel engine braking, H/L/N/R/P. |
| Chassis |
| Suspension - Front | 21.7mm inverted telescopic fork | Telescopic fork |
| Suspension - Rear | Monoshock with cantilever-type swingarm | Unit swingarm |
| Rake | 25.0° | - |
| Trail | 110 mm / 4.3 in. | - |
| Wheel Travel - Front | 315 mm / 3.5 in. | 61 mm / 2.4 in. |
| Wheel Travel - Rear | 312 mm / 12.3 in. | 51 mm / 2.0 in. |
| Wheels & Brakes |
| Brakes - Rear Diameter (mm) | 240 mm | - |
| Brakes - Rear Diameter (in.) | 9.4 inches | - |
| Brakes - Front Diameter (mm) | 240 mm | - |
| Brakes - Front Diameter (in.) | 9.4 inches | - |
| Brakes - Front | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Brakes - Rear | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rims | Wire spoke | - |
| Tyres - Front | 2.50-10 | 25/8-12 |
| Tyres - Rear | 2.50-10 | 25/10-12 |