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Catalogue. Community. Map.
Honda CRF 450 R 
2003 
|
Engine and transmission
|
|
| Engine type: | 1 cylinders, 4-stroke, Single |
| Displacement: | 449 cc (27.43 cubic inches) |
| Bore × stroke: | 3.78 inch × 2.44 inch (oversquare - shortstroke) |
| Cooling system: | Water cooled |
| Power: | 55.74 HP (41 kW) @ 9000 rpm |
| Torque: | 50 Nm (36.88 lb-ft) @ 6500 rpm |
| Throttle: | Cable operated |
| Valves | |
| Valve train: | SOHC, variable |
| Valves per cylinder: | 4 |
| Fuel and ignition | |
| Sparks per cylinder: | 1 |
| Fuel supply system: | Carburetor |
| Ignition type: | Digital CDI |
| Funnel diameter: | 1.61 inch |
| Compression: | 11.5:1 |
| Engine mounting: | Transverse |
| Lubrication system: | Wet sump |
| Gear box: | Manual 5-speed |
| Clutch: | Wet, multiple discs, cable operated |
| Final drive: | Chain |
| Spark plug pipe type: | NGK, IFR8H11 |
| Motor oil: | Synthetic, 10W/40 |
| Starter: | Kick-starter |
|
Dimensions
|
|
| Physical measures | |
| Length: | 86.1 inch |
| Width: | 32.5 inch |
| Height: | 49.5 inch |
| Wheel base: | 59.4 inch |
| Trail: | 4.3 inch |
| Ground clearance: | 12.99 inch |
| Seat height: | 37.5 inch |
| Weight | |
| Curb weight: | 240.3 lbs |
| Dry weight: | 222.7 lbs |
|
Chassis and suspension
|
|
| Frame type: | aluminium, Single cradle frame |
| Front | |
| Suspension: | Cartridge - upside-down |
| Suspension travel: | 12.4 inch |
| Fork angle: | 27° |
| Brake: | Single Disk, Ø9.45 inch |
| Tire: | 80 / 100 R21 R |
| Tire pressure: | 0.07 PSI |
| Rear | |
| Suspension: | mono shock, Swingarm |
| Suspension travel: | 12.4 inch |
| Brake: | Disk, Ø9.45 inch |
| Tire: | 110 / 90 R19 R |
| Tire pressure: | 0.07 PSI |
|
Other
|
|
| ABS available: | No |
| Power-to-weight ratio: | 0.38 KW/lbs (2.66 lbs/HP) |
| Fuel capacity: | 1.95 gals |
| Number of riders: | 1 person |
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