The Yamaha SR250 motorcycle was produced from 1980 to 1982 and featured a four-stroke, single-cylinder, SOHC, two-valve engine with a capacity of 239cc. The engine was cooled by air and had a compression ratio of 8.9:1. The bike had a 34mm Mikuni carburettor and was ignited electronically. The electric starter produced a maximum power output of 21 horsepower (15.7 kW) at 7700 rpm and a maximum torque of 18.7 ft-lb (T25.5 Nm) at 7000 rpm.
The motorcycle had a five-speed transmission, and the final drive was a chain. The front suspension was 32mm telescopic forks, and the rear suspension had dual shock 5-way preload adjustment. Both front and rear brakes were drum brakes. The front and rear tyres were 3.00-18 and 120/90-16 respectively. The wheelbase was 1340mm (52.75 in), and the seat height was 740mm (29.0 in).
The Yamaha SR250 had a wet weight of 130 kg (287 lbs) and a fuel capacity of 10.8 litres (2.7 US gallons). The bike had an average fuel consumption of 70 miles per gallon and could reach a top speed of 89 mph (143.2 km/h). In standing 1/4 mile, the bike took 16.3 seconds to complete. Overall, the Yamaha SR250 was a dependable and efficient motorcycle that provided a comfortable riding experience.
Make Model: Yamaha SR 250
Year: 1980 – 82
Engine: Four stroke, single cylinder, SOHC, 2 valve
Capacity: 239 cc / 15.2 cu-in
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