Yamaha SR 250 (1980-82) vs Honda CX 650E (1984)
Comparison technical specifications
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| Make: | Yamaha | Honda |
| Model: | SR 250 | CX 650E |
| Years: | 1980-82 | 1984 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, longitudinal 800 V-twin cylinder, camshaft nestles at the base of the V between the cylinders. ,OHV, 4 valves per cylinder operated by pushrods |
| Capacity: | 239 cc / 15.2 cu-in | 673 cc / 41.07 cu-in |
| Bore x Stroke: | 73.5 x 56.5 mm | 82.5 x 63 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 8.9:1 | 9.8:1 |
| Induction: | 34mm Mikuni carburettor | 2x 39mm Keihin carburetors |
| Ignition: | Electronically | CDI |
| Starting: | Electric | Electreic |
| Max Power: | 21 hp / 15.7 kW @ 7700 rpm | 64 hp / 47.7 kW @ 8000 rpm |
| Max Torque: | 18.7 ft-lb / T25.5 Nm @ 7000 rpm | 61 Nm / 45 lb-ft @ 6500 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Shaft |
| Front Suspension: | 32mm Telescopic forks | Air assisted telescopic forks |
| Rear Suspension: | Dual shock 5-way preload adjustment. | Pro-link, air adjustable preload |
| Front Brakes: | Drum | 2x 280mm discs |
| Rear Brakes: | Drum | Single 280mm disc |
| Front Tyre: | 3.00-18 | 100/90-18 |
| Rear Tyre: | 120/90-16 | 120/90-18 |
| Wet Weight: | 130 kg 287 lbs | 235.0 kg / 518.1 lbs |
| Fuel Capacity: | 10.8 Litres / 2.7 US gal | 19 Litres / 5.0 US gal |
| Consumption Average: | 70 mpg | 45.5 mpg |
| Standing ¼ Mile: | 16.3 sec | 13.5 sec / 99 mph |
| Top Speed: | 89 mph / 143.2 km/h | 186.6 km/h / 116 mph |