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Yamaha SR 250 Classic

Make Model	Yamaha SR 250 Classic
Year	1997 -
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	14.7 kW / 19.72 hp @ 7700 rpm
Max Torque	18.7 ft-lb / 25.5 Nm @ 7000 rpm
Transmission	5 Speed
Final Drive	Chain
Front Suspension	32mm Telescopic forks
Rear Suspension	Dual shock 5-way preload adjustment.
Front Brakes	Single 200mm disc
Rear Brakes	150mm drum
Front Tyre	90/90 R19
Rear Tyre	120/80 R18
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

The Yamaha SR250 is a single cylinder motorcycle made by Yamaha Motor Company from 1980 to 1982 for the first generation, and since 2001 for the second generation. It shares styling with the larger Yamaha SR500. The first generation had a 249 cc (15.2 cu in) displacement and the second generation was 239 cc (14.6 cu in).

In 2001, Yamaha released their most recent SR250 due to popular demand for reliable commuters. This model is modeled after the SR500. Despite engine capacity, the two bikes are essentially of the same overall design.