Yamaha WR 450F (2003-04) technical specifications
Yamaha WR 450F is produced in 2003-04. Engine is Four stroke, single cylinder, DOHC, 5 titanium valve per cylinder., displacement 449 cc / 27.4 in , produces power 58 hp / 42.3 kW @ 9000 rpm and 49 Nm / 33.1 lb-ft @ 7000 rpm. Yamaha WR 450F weighs 112.5 kg / 248 lbs. Yamaha WR 450F has 2 photos.
Technical specifications
+ Add to 'Compare list'| Model: | WR 450F |
| Years: | 2003-04 |
| Engine: | Four stroke, single cylinder, DOHC, 5 titanium valve per cylinder. |
| Capacity: | 449 cc / 27.4 in |
| Bore x Stroke: | 95 x 63.4 mm |
| Cooling System: | Liquid cooled |
| Compression Ratio: | 12.5:1 |
| Lubrication: | Wet Sump |
| Induction: | 39mm Keihin FCR flat-slide throttle position sensor |
| Ignition: | Digital CDI |
| Starting: | Electric / Kick-starter |
| Max Power: | 58 hp / 42.3 kW @ 9000 rpm |
| Max Torque: | 49 Nm / 33.1 lb-ft @ 7000 rpm |
| Clutch: | Wet, multiple discs, cable operated |
| Transmission: | 5 Speed |
| Final Drive: | "O" ring Chain |
| Frame: | Steel, Single cradle frame |
| Front Suspension: | 46mm Kayaba inverted telescopic fork, compression and rebound damping adjustable |
| Front Wheel Travel: | 300 mm / 11.8 in |
| Rear Suspension: | Fully adjustable Kayaba single shock, 315mm wheel travel, separate speed compression adjustment |
| Rear Wheel Travel: | 318 mm / 12.4 in |
| Front Brakes: | Single 250mm disc 4 piston caliper |
| Rear Brakes: | Single 245mm disc 2-piston caliper |
| Front Tyre: | 80/100-21 |
| Rear Tyre: | 110/100-18 |
| Dimensions: | Length 2175 mm / 85.6 in Width 825 mm / 32.5 in Height 1300 mm / 51.2 in |
| Wheelbase: | 1485 mm / 58.5 in |
| Ground Clearance: | 365 mm / 14.3 in |
| Seat Height: | 998 mm / 39.3 in |
| Dry Weight: | 112.5 kg / 248 lbs |
| Wet Weight: | 122 kg / 268 lbs |
| Fuel Capacity: | 8 Liters / 2.1 US gal |
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