Yamaha XZ 550 Vision (1982-83) vs Norton Commando 961 Café Racer MIII "Mick Grant Special" Limited Edition (2016)
Comparison technical specifications
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| Make: | Yamaha | Norton |
| Model: | XZ 550 Vision | Commando 961 Café Racer MIII "Mick Grant Special" Limited Edition |
| Years: | 1982-83 | 2016 |
| Engine: | Four stroke, 70°V-twin cylinder. DOHC, 4 valve per cylinder | Four stroke, parallel twin with push-rod valve actuation, 3 bearing crank balancer shaft, 2 valves per cylinder |
| Capacity: | 552 cc / 33.7 lb-ft | 961 cc / 58.6 cu in |
| Bore x Stroke: | 80 х 55 mm | 88 x 79 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 10.4:1 | 10.1:1 |
| Induction: | 2x 36mm Mikuni carburetors | Fuel injected |
| Ignition: | Battery powered inductive | Crank fired electronic |
| Starting: | Electric | Electric |
| Max Power: | 64 hp / 46.7 kW @ 9500 rpm | 59.7 kW / 80 hp @ 6500 rpm |
| Max Torque: | 4.8 kgf-m / 34.7 lb-ft @ 8500 rpm | 90 Nm / 9.2 kgf-m / 65 ft-lb @ 5200 rpm |
| Transmission: | 5 Speed | 5 Speed, constant mesh |
| Final Drive: | Shaft | Chain, 525 "O" ring |
| Front Suspension: | Telescopic oil damped forks | Ø43 mm Öhlins RSU, adjustable preload, compression, and rebound damping. |
| Rear Suspension: | Gas filled monoshock, 2-way adjustable. | Öhlins reservoir-style twin shocks, adjustable ride height, preload, compression, and rebound damping. |
| Front Brakes: | 2x 266mm discs | Brembo 2 x Ø320 mm semi-floating carbon stainless steel discs, 4 piston "Gold Line" axial calipers |
| Rear Brakes: | Single 177mm drum | Brembo single Ø220 mm disc, 2 piston "Gold Line"caliper |
| Front Tyre: | 100/90-18 | 120/70 -17 |
| Rear Tyre: | 110/90-18 | 180/55 -17 |
| Dry Weight: | 188 kg / 414.4 lbs | 188 kg / 414 lbs |
| Fuel Capacity: | 17 Litres / 4.4 US gal | 17 Litres / 4.5 US gal |