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Yamaha SR 250 (1978-79) technical specifications

Yamaha SR 250 technical specifications

Yamaha SR 250 is produced in 1978-79. Engine is Four stroke, single cylinder, SOHC, 2 valve, displacement 239 cc / 15.2 cu-in , produces power 21 hp / 15.7 kW @ 7700 rpm and 18.7 ft-lb / T25.5 Nm @ 7000 rpm. Yamaha SR 250 top speed is 89 mph / 143.2 km/h. Yamaha SR 250 wet weight is 130 kg 287 lbs. Yamaha SR 250 has 3 photos.

Technical specifications

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Model: SR 250
Years: 1978-79
Engine: Four stroke, single cylinder, SOHC, 2 valve
Capacity: 239 cc / 15.2 cu-in
Bore x Stroke: 73.5 x 56.5 mm
Cooling System: Air cooled
Compression Ratio: 8.9:1
Induction: 34mm Mikuni carburettor
Ignition: Electronically
Starting: Electric
Max Power: 21 hp / 15.7 kW @ 7700 rpm
Max Torque: 18.7 ft-lb / T25.5 Nm @ 7000 rpm
Transmission: 5 Speed
Final Drive: Chain
Front Suspension: 32mm Telescopic forks
Rear Suspension: Dual shock 5-way preload adjustment.
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 3.00-18
Rear Tyre: 120/90-16
Wheelbase: 1340 mm / 52.75 in
Seat Height: 740 mm / 29.0 in
Wet Weight: 130 kg 287 lbs
Fuel Capacity: 10.8 Litres / 2.7 US gal
Consumption Average: 70 mpg
Standing ¼ Mile: 16.3 sec
Top Speed: 89 mph / 143.2 km/h

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