Yamaha's profilation of this bike In its first year of Grand Prix racing, Yamaha’s YZ250F has proved to be one of the most competitive machines in the class, and a range of modifications for the new season including a redesigned low-friction cylinder, larger diameter 48mm forks and a range of chassis modifications that are designed to reinforce its winning potential.
General information
Model:Yamaha YZ 250 F
Year:2004
Category:Cross / motocross
Engine and transmission
Displacement:249.00 ccm (15.19 cubic inches)
Engine type:Single cylinder
Stroke:2
Compression:12.5:1
Bore x Stroke:77.0 x 53.6 mm (3.0 x 2.1 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:2,165 mm (85.2 inches)
Overall width:827 mm (32.6 inches)
Ground clearance:382 mm (15.0 inches)
1,475 mm (58.1 inches)
Chassis and dimensions
Frame type:Front suspension system
Front Suspension:Telescopic Fork
Front Suspension travel:300 mm (11.8 inches)
Rear Suspension:Swing arm (linked type monocross)
Rear Suspension travel:315 mm (12.4 inches)
Front tyre dimensions:80/100-21
Rear tyre dimensions:100/90-19
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
Color options:Blue
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