Kawasaki Z1-R Turbo (1978-79) vs BMW S 1000XR (2022)
Comparison technical specifications
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| Make: | Kawasaki | BMW |
| Model: | Z1-R Turbo | S 1000XR |
| Years: | 1978-79 | 2022 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 Valve per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder, Intake/outlet mm 33.5/27.2 |
| Capacity: | 1015 cc / 61.9 cu-in | 999 cc / 60.9 cu-in |
| Bore x Stroke: | 69.4 х 66 mm | 80 x 49.7 mm |
| Cooling System: | Air cooled | Liquid/oil cooled |
| Compression Ratio: | 8.0:1 | 12.5:1 |
| Starting: | Electric | Electric |
| Max Power: | 126 hp / 93.2 kW @ 8000 rpm | 121 kW / 165 hp @ 11000 rpm |
| Clutch: | Wet multiplate | Multiplate clutch in oil bath, slipper clutch, self-reinforcing |
| Transmission: | 5 Speed | Six-speed synchromesh gearbox with spur gears |
| Final Drive: | Chain | Chain drive, 17/45 |
| Front Suspension: | 36mm Telescopic forks | 45mm Upside-down telescopic fork electronic self-adjusting rebound/compression damping (Dynamic ESA) |
| Rear Suspension: | Dual shocks with 5-way spring preload. | Aluminium double-sided swing-arm, central spring strut, electronic preload adjuster, electronic self-adjusting rebound/compression damping (Dynamic ESA) |
| Front Brakes: | 2x 295mm discs | 2x 320mm floating discs, radial four-piston fixed calipers |
| Rear Brakes: | Single 295mm disc | Single 265mm disc brake, twin-piston floating caliper |
| Front Tyre: | 100/90 18 | 120/70 ZR 17 |
| Rear Tyre: | 120/90 V18 | 190/55 ZR 17 |
| Wet Weight: | 245 kg / 540 lbs | 226 kg / 498 lbs |
| Fuel Capacity: | 13 Litres / 3.4 US gal | 20 Litres / 5.2 US gal |