Yamaha XS 650 / TX 650 (1980-81) vs Suzuki GSX-R 1000 (2014)
Comparison technical specifications
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| Make: | Yamaha | Suzuki |
| Model: | XS 650 / TX 650 | GSX-R 1000 |
| Years: | 1980-81 | 2014 |
| Engine: | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder, TSCC |
| Capacity: | 653 cc / 39.8 cu in | 998.6 cc / 60.9 cub. in |
| Bore x Stroke: | 75 x 74 mm | 74.5 x 57.3 mm |
| Compression Ratio: | 8.4:1 | 12.9:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Lubrication: | Wet sump | Wet sump |
| Induction: | 2 x Mikuni BS34 carburetors | Fuel Injection |
| Ignition: | Battery, induction coil | Electronic ignition Transistorized |
| Starting: | Electric and kick | Electric |
| Max Power: | 39.5 kW / 53 hp @ 7200 rpm | 136.1 kW / 182.5 hp @ 12000rpm |
| Max Torque: | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm | 117 Nm / 11.9 kg fm / 86.3 lb.ft @ 10000rpm |
| Transmission: | 5 Speed | 6 Speed, constant mesh |
| Final Drive: | Chain | Chain, DID50VAZ, 114 links |
| Front Suspension: | Telescopic forks | Inverted telescopic, coil spring, oil damped |
| Rear Suspension: | Dual shock absorbers | Link type, coil spring, oil damped |
| Front Brakes: | Twin hydraulic discs, 267 mm | 2 x 310 mm Discs radial mount Brembo monobloc 4 piston caliper |
| Rear Brakes: | Drum | Single 220 mm disc |
| Front Tyre: | 3.50H-19 4PR | 120/70 ZR17 M/C (58W), tubeless |
| Rear Tyre: | 4.00H-18 4PR | 190/50 ZR17 M/C (73W), tubeless |
| Dimensions: | Length: 2175 mm / 85.6" Width: 780 mm / 30.7" Height: 1090 mm / 42.9" | Length 2045 mm / 80.5in Width 705 mm / 27.8in Height 1130 mm / 44.5in |
| Wheelbase: | 1435 mm / 56.5" | 1405mm / 55.3in |
| Ground Clearance: | 150 mm / 5.5" | 130 mm / 5.1 in. |
| Seat Height: | 810 mm / 31.9" | 810 mm / 31.9 in. |
| Wet Weight: | 217 kg / 478 lbs | 203 kg / 448 lbs |
| Fuel Capacity: | 15 Litres / 4.0 US gal | 17.5 Litres / 4.6 US gal / 3.8 Imp gal |
| Top Speed: | 185 km/h / 115 mph | 299 km/h / 185.8 mph |