INFORMATION
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Yamaha YZ and YZF
Yamaha Racing History
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| Yamaha's profilation of this bike |
| In its first year of Grand Prix racing, Using technology developed from Yamaha�s Grand Prix winning factory machines, the 2004 YZ450F runs with new larger diameter 48mm front forks and uprated rear suspension � while the high-revving short-stroke motor benefits from revised carburettor settings and remapped ignition timing. |
| General information |
|---|
| Model: | Yamaha YZ 450 F |
| Year: | 2004 |
| Category: | Cross / motocross |
| Engine and transmission |
|---|
| Displacement: | 449.00 ccm (27.40 cubic inches) |
| Engine type: | Single cylinder |
| Stroke: | 2 |
| Compression: | 12.5:1 |
| Bore x Stroke: | 95.0 x 63.4 mm (3.7 x 2.5 inches) |
| Valves per cylinder: | 5 |
| Fuel control: | DOHC |
| Cooling system: | Liquid |
| Physical measurements |
|---|
| Dry weight: | 97.0 kg (213.8 pounds) |
| Seat height: | 995 mm (39.2 inches) If adjustable, lowest setting. |
| Overall height: | 1,303 mm (51.3 inches) |
| Overall length: | 2,171 mm (85.5 inches) |
| Overall width: | 827 mm (32.6 inches) |
| Ground clearance: | 371 mm (14.6 inches) |
| 1,485 mm (58.5 inches) |
| Chassis and dimensions |
|---|
| Front Suspension: | Telescopic fork |
| Front Suspension travel: | 300 mm (11.8 inches) |
| Rear Suspension: | Swingarm (linked type monocross) |
| Rear Suspension travel: | 315 mm (12.4 inches) |
| Front tyre dimensions: | 80/100-21 |
| Rear tyre dimensions: | 110/90-19 |
| Front brakes: | Single disc |
| Front brakes diameter: | 250 mm (9.8 inches) |
| Rear brakes: | Single disc |
| Rear brakes diameter: | 245 mm (9.6 inches) |
| Speed and acceleration |
|---|
| Other specifications |
|---|
| Color options: | Blue |
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