Kawasaki Z 550F (1979) vs BMW R 75/6 (1973-76)
Comparison technical specifications
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| Make: | Kawasaki | BMW |
| Model: | Z 550F | R 75/6 |
| Years: | 1979 | 1973-76 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 553 cc / 33.7 cu-in | 745 cc / 45.5 cu in. |
| Bore x Stroke: | 58 x 52.4 mm | 82 x 70.6 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 9.5:1 | 9.0:1 |
| Induction: | 4x 22mm TK | 2 x Bing constant depression carbutetors |
| Ignition: | CDI | Battery ignition |
| Starting: | Electric | Electric |
| Max Power: | 58 hp / 43.2 kW @ 9000 rpm | 36.8 kW /50 hp @ 6200 rpm |
| Max Torque: | 35.5 ft-lb / 48.1 Nm @ 7000 rpm | 60 Nm / 6.1 kgf-m / 44 ft lb @ 5000 rpm |
| Transmission: | 6 Speed | 4 Speed |
| Final Drive: | Chain | Shaft |
| Front Suspension: | 36mm Telescopic forks | Telescopic hydraulic forks |
| Front Wheel Travel: | 173 mm / 6.8 in | 208 mm / 8.2" |
| Rear Suspension: | Dual shock, 5-way preload | Long swinging arm with strut. 125mm wheel travel |
| Rear Wheel Travel: | 109 mm / 4.9 in | 125 mm / 4.9" |
| Front Brakes: | 2X 250mm disc | ∅200mm Drum |
| Rear Brakes: | Single disc | ∅200mm Drum |
| Front Tyre: | 3.25-19 | 3.25 - S19 |
| Rear Tyre: | 3.75-18 | 4.00 - S18 |
| Fuel Capacity: | 14 Litres / 3.6 US gal | 24 Litres / 6.3 US gal |