INFORMATION
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Yamaha YZ and YZF
Yamaha Racing History
|
| Yamaha's profilation of this bike |
| Bred For Battle
We built the first production YZ250 in 1975. It commenced kicking tail immediately and promptly set the standard by which competition bikes were measured. Even after all the victories and championships since then, including more AMA Supercross wins this season than anybody else (per Chad Reed), our beloved Supercross contender continues its relentless march toward perfection. |
| General information |
|---|
| Model: | Yamaha YZ 250 |
| Year: | 2005 |
| Category: | Cross / motocross |
| Engine and transmission |
|---|
| Displacement: | 249.00 ccm (15.19 cubic inches) |
| Engine type: | Single cylinder |
| Stroke: | 2 |
| Compression: | 9.1:1 |
| Bore x Stroke: | 66.4 x 72.0 mm (2.6 x 2.8 inches) |
| Fuel system: | Carburettor |
| Valves per cylinder: | 1 |
| Cooling system: | Liquid |
| Gearbox: | 5-speed |
Transmission type
final drive: | Chain |
| Physical measurements |
|---|
| Seat height: | 991 mm (39.0 inches) If adjustable, lowest setting. |
| Overall height: | 1,308 mm (51.5 inches) |
| Overall length: | 2,182 mm (85.9 inches) |
| Overall width: | 828 mm (32.6 inches) |
| Ground clearance: | 396 mm (15.6 inches) |
| 59 mm (2.3 inches) |
| Chassis and dimensions |
|---|
| Front Suspension: | 48mm Kayaba inverted cartridge fork w/adjustable compression and rebound damping |
| Front Suspension travel: | 300 mm (11.8 inches) |
| Rear Suspension: | Kayaba single shock w/adjustable preload, compression and rebound damping separate hi/lo-speed compression adjusters |
| Rear Suspension travel: | 315 mm (12.4 inches) |
| Front tyre dimensions: | 80/80-21 |
| 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) |
| Other specifications |
|---|
| Fuel capacity: | 7.94 litres (2.10 gallons) |
| Color options: | Team Yamaha Blue/White |
|
