1989 Yamaha TDR 250 specifications.

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1989 Yamaha TDR 250

Engine and transmission 1989 Yamaha TDR 250
Engine type:
2 cylinders, 2-stroke, V-twin
Displacement:
249 cc (15.21 cubic inches)
Bore × stroke:
56.4 mm × 50 mm (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
Dimensions 1989 Yamaha TDR 250
Weight:
Curb weight:
153 kg
Chassis and suspension 1989 Yamaha TDR 250
Frame type:
steel, Double cradle frame
Front:
Suspension:
Cartridge
Brake:
Single Disk
Tire:
100 / 90 R18
Tire pressure:
1.8 bar, with pillion: 2 bar withpilion
Rear:
Suspension:
mono shock, Swingarm
Brake:
Disk
Tire:
120 / 80 R17
Tire pressure:
2 bar, with pillion: 2.3 bar withpilion
Other 1989 Yamaha TDR 250
ABS available:
No
Power-to-weight ratio:
0.25 HP/kg(4.08 kg/HP)
Top speed:
161 km/h
Fuel capacity:
14 l
Number of riders:
2 persons