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 |
