Yamaha SR 250 Classic (1997)
The Yamaha SR 250 Classic is a 1997 motorcycle with a four-stroke, single-cylinder, SOHC, 2-valve engine that has a capacity of 239 cc / 15.2 cu-in with a compression ratio of 8.9:1. It has a 34mm Mikuni carburettor and electronic ignition. The bike has a maximum power of 14.7 kW / 19.72 hp at 7700 rpm and a maximum torque of 18.7 ft-lb / 25.5 Nm at 7000 rpm, with a 5-speed transmission and chain final drive. The suspension includes 32mm telescopic forks in the front and a dual shock with 5-way preload adjustment in the rear. The front brake is a single 200mm disc with a 150mm drum in the rear, and the tires are 90/90 R19 in the front and 120/80 R18 in the rear. It has a wheelbase of 1340 mm / 52.75 in and a seat height of 740 mm / 29.0 in. The wet weight of the bike is 130 kg / 287 lbs, with a fuel capacity of 10.8 Litres / 2.7 US gal and an average consumption of 70 mpg. The standing 1/4 mile time is 16.3 sec and the top speed is 89 mph / 143.2 km/h.
Technical specifications:
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 1/4 Mile: 16.3 sec
Top Speed: 89 mph / 143.2 km/h
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