Yamaha XJ 550 (1981) vs Yamaha FZ-1 N (2007)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | XJ 550 | FZ-1 N |
| Years: | 1981 | 2007 |
| Engine: | Four stroke, transverse four cylinder. DOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 5 valve per cylinder |
| Capacity: | 528 cc / 32.2 cu-in | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 57 X 51.8 mm | 77 X 53.6 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 9.5:1 | 11.5:1 |
| Induction: | 4x 28mm Mikuni carburetors | Fuel injection |
| Ignition: | Battery powered inductive | Digital TCI: Transistor Controlled Ignition with 32-bit ECU |
| Starting: | Electric | Electric |
| Max Power: | 37 kW / 50 PS @ 9000 rpm | 146.84 hp / 108 kW @ 11000 rpm |
| Max Torque: | 41.9 Nm / 4,3 m-kg @ 7500 rpm | 106 Nm /10.5 kgf-m / 76.7 ft-lb @ 8000 rpm |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | O-ring chain |
| Front Suspension: | Telescopic coil spring forks | Telescopic upside forks, |
| Rear Suspension: | Swinging arm with dual dampers adjustable for preload | Link-type swingarm, |
| Rear Wheel Travel: | 80 mm / 3.7 in | 130 mm / 5.1 in |
| Front Brakes: | 2x 267mm discs | 2x 320mm discs 4 piston calipers |
| Rear Brakes: | 182mm Drum | Single 245mm disc 1 piston caliper |
| Front Tyre: | 3.25-19 | 120/70 ZR17 |
| Rear Tyre: | 110/ 90-16 | 190/50 ZR17 |
| Wet Weight: | 205 kg / 450 lbs | 221 kg / 487 lbs |
| Fuel Capacity: | 15 liters / 3.9 US gal | 18 Liters / 4.76 US gal |
| Standing ¼ Mile: | 13.4 sec / 98 mph | 10.9 sec |
| Top Speed: | 178.6 km/h / 111 mph | 247.1 km/h |