| Model name |
CRF450R (European model) |
| Dimensions (L x W x H) |
(mm) |
2,191 x 827 x 1,271 |
| Wheelbase |
(mm) |
1,492 |
| Ground clearance |
(mm) |
330 |
| Seat height |
(mm) |
953 |
| Curb weightRiding capacity |
(kg) |
111 |
| Engine |
liquid-cooled 4 stroke, single cylinder, uni-cam |
| Displacement |
(cc) |
449.7 |
| Bore x Stroke |
(mm) |
96.0 x 62.1 |
| Compression ratio |
12.5: 1 |
| Fuel supply system |
Programmed fuel injection system (PGM-FI) |
| Starter |
Primary kick |
| Ignition |
Full transistor |
| Fuel tank capacity |
(L) |
6.4 |
| Clutch |
Multi plate wet clutch |
| Transmission |
5-speed constant mesh |
| Transmission gear ratio |
1st |
1.800 |
| 2nd |
1.470 |
| 3rd |
1.235 |
| 4th |
1.050 |
| 5th |
0.909 |
| Reduction gear ratio (primary/secondary) |
2.739/3.692 (48/13) |
| Caster angle/Trail (degree/mm) |
27°/116 |
| Tire size |
Front |
80/100-21 |
| Rear |
120/80-19 |
| Brakes |
Front |
240mm Hydraulic disc |
| Rear |
240mm Hydraulic disc |
| Suspension |
Front |
48mm inverted Air Fork, 310mm stroke, fully adjustable |
| Rear |
Pro-link, Fully adjustable mono shock, 133.5 mm stroke, 315mm axle travel |
| Frame |
Aluminium twin tube |
