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Catalogue. Community. Map.
Yamaha TDR 250 1988 
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Engine and transmission
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| Engine type: | 2 cylinders, 2-stroke, V-twin |
| Displacement: | 249 cc (15.21 cubic inches) |
| Bore × stroke: | 2.22 inch × 1.97 inch (oversquare - shortstroke) |
| Cooling system: | Water cooled |
| Power: | 50.99 HP (37.5 kW) @ 10000 rpm |
| Throttle: | Cable operated |
| Valves | |
| Valve train: | Reed valve, variable |
| Fuel and ignition | |
| Sparks per cylinder: | 1 |
| Fuel supply system: | Carburetor |
| Ignition type: | Digital CDI |
| Compression: | 9:1 |
| Gear box: | Manual 6-speed |
| Clutch: | Wet, multiple discs, cable operated |
| Final drive: | Chain |
| Spark plug pipe type: | NGK, BR9ES |
| Starter: | Electric |
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Dimensions
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| Weight | |
| Curb weight: | 337.3 lbs |
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Chassis and suspension
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| Frame type: | steel, Double cradle frame |
| Front | |
| Suspension: | Cartridge |
| Brake: | Single Disk |
| Tire: | 100 / 90 R18 |
| Tire pressure: | 0.12 PSI, with pillion: 0.14 PSI withpilion |
| Rear | |
| Suspension: | mono shock, Swingarm |
| Brake: | Disk |
| Tire: | 120 / 80 R17 |
| Tire pressure: | 0.14 PSI, with pillion: 0.16 PSI withpilion |
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Other
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| ABS available: | No |
| Power-to-weight ratio: | 0.25 KW/lbs (4.08 lbs/HP) |
| Top speed: | 100.04 mph |
| Fuel capacity: | 3.7 gals |
| Number of riders: | 2 persons |
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