Mbike - Catalogue. Community. Map.
Catalogue. Community. Map.
Yamaha YZ 250 
2011
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Engine and transmission
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| Engine type: | 1 cylinders, 2-stroke, Single |
| Displacement: | 249 cc (15.21 cubic inches) |
| Bore × stroke: | 2.62 inch × 2.84 inch (undersquare - longstroke) |
| Cooling system: | Water cooled |
| Throttle: | Cable operated |
| Valves | |
| Valve train: | Reed valve, variable |
| Fuel and ignition | |
| Sparks per cylinder: | 1 |
| Ignition type: | Analogue CDI (Capacitive Discharge Ign.) |
| Compression: | 10.6:1 |
| Engine mounting: | Transverse |
| Lubrication system: | Wet sump |
| Gear box: | Manual 5-speed |
| Clutch: | Wet, multiple discs, cable operated |
| Final drive: | Chain |
| Starter: | Kick-starter |
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Dimensions
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|
| Physical measures | |
| Length: | 85.7 inch |
| Width: | 32.6 inch |
| Height: | 51.4 inch |
| Wheel base: | 58.3 inch |
| Ground clearance: | 15 inch |
| Seat height: | 39.1 inch |
| Weight | |
| Curb weight: | 227.1 lbs |
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Chassis and suspension
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| Frame type: | aluminium, Double cradle frame |
| Front | |
| Suspension: | Cartridge - upside-down |
| Suspension travel: | 11.81 inch |
| Brake: | Single Disk, Ø9.84 inch |
| Tire: | 80 / 100 R21 |
| Rear | |
| Suspension: | mono shock, Swingarm |
| Suspension travel: | 12.4 inch |
| Brake: | Disk, Ø9.65 inch |
| Tire: | 110 / 90 R19 |
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Other
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| ABS available: | No |
| Number of riders: | 2 persons |
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