Yamaha XS 650 Midnight Special (1981) vs Kawasaki Z 900LTD (1976)
Comparison technical specifications
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| Make: | Yamaha | Kawasaki |
| Model: | XS 650 Midnight Special | Z 900LTD |
| Years: | 1981 | 1976 |
| Engine: | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. |
| Capacity: | 653 cc / 39.8 cu in | 903 cc / 55.1 cu-in |
| Bore x Stroke: | 75 x 74 mm | 66 x 66 mm |
| Compression Ratio: | 8.5:1 | 8.5:1 |
| Cooling System: | Air cooled | Air cooled, |
| Lubrication: | Wet sump | Wet sump, trachoid pump |
| Induction: | 2 x Mikuni BS34SU carburetors | 4x 26mm Mikuni VM26SS |
| Ignition: | Battery, induction coil | Mechanical breaker dual lead coil |
| Starting: | Electric and kick | Electric |
| Max Power: | 39.5 kW / 53 hp @ 7200 rpm | 82 hp / 59.8 kW @ 8500 rpm |
| Max Torque: | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 5500 rpm | 73.5 Nm / 52.8 lb-ft @ 7000 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic forks | 36mm Telescopic forks |
| Rear Suspension: | Dual shock absorbers | Dual shock, 5-way preload adjustment |
| Front Brakes: | Twin hydraulic discs, 267 mm | Single 296mm disc 2 piston caliper |
| Rear Brakes: | Single hydraulic disc, 267 mm | Single 277mm disc |
| Front Tyre: | 3.50S-19 | 3.25H-19 |
| Rear Tyre: | 130/90S-16 | 4.00S-16 |
| Dry Weight: | 210 kg / 463 lbs | 230 kg / 507 lbs |
| Fuel Capacity: | 11.5 Litres / 3.0 US gal | 18 Litres / 4.7 gal |