Kawasaki Z 750F Export (1979) vs Yamaha XJ 550 (1981)
Comparison technical specifications
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| Make: | Kawasaki | Yamaha |
| Model: | Z 750F Export | XJ 550 |
| Years: | 1979 | 1981 |
| Engine: | Four stroke, transverse four cylinder. DOHC, 2 valve per cylinder | Four stroke, transverse four cylinder. DOHC, 2 valves per cylinder. |
| Capacity: | 746 cc / 45.5 cu-in | 528 cc / 32.2 cu-in |
| Bore x Stroke: | 64 х 58 mm | 57 X 51.8 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | NA | 9.5:1 |
| Induction: | 4x Mikuni VM 28 SC carburetors | 4x 28mm Mikuni carburetors |
| Ignition: | Battery & coil | Battery powered inductive |
| Starting: | Electric & kick | Electric |
| Max Power: | 70 hp / 52.1 kW @ 9000 rpm | 37 kW / 50 PS @ 9000 rpm |
| Max Torque: | 5.9 kgf-m / 42.6 lb-ft @ 7500 rpm | 41.9 Nm / 4,3 m-kg @ 7500 rpm |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain, 96 Link | Chain |
| Front Suspension: | Telescopic forks | Telescopic coil spring forks |
| Rear Suspension: | Swing arm dual shocks | Swinging arm with dual dampers adjustable for preload |
| Front Brakes: | 2x disc | 2x 267mm discs |
| Rear Brakes: | Drum | 182mm Drum |
| Front Tyre: | 3.25-19 | 3.25-19 |
| Rear Tyre: | 4.00-18 | 110/ 90-16 |
| Fuel Capacity: | 17.7 Litres / 4.6 US gal | 15 liters / 3.9 US gal |