Yamaha SR 500 (1980-83) vs Yamaha FZ-1 Fazer (2006) vs Yamaha XT 125R (2005-08)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha |
| Model: | SR 500 | FZ-1 Fazer | XT 125R |
| Years: | 1980-83 | 2006 | 2005-08 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 5 valve per cylinder | Four stroke, single cylinder. SOHC, 2 valve |
| Capacity: | 499 cc / 30.4 cu-in | 998 cc / 60.9 ci-in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 87 х 84 mm | 77 X 53.6 mm | 54 X 54 mm |
| Cooling System: | Air cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 9.0:1 | 11.5:1 | 10.0:1 |
| Induction: | 34mm Mikuni VM34SS carburetor | Fuel injection | Mikuni TM28-92 |
| Ignition: | CDI | Digital TCI: Transistor Controlled Ignition with 32-bit ECU | CDI |
| Starting: | Kick | Electric | Electric & kick |
| Max Power: | 31.5 hp / 23.5 kW @ 6500 rpm | 146.8 hp / 108 kW @ 11000 rpm | 12.5 hp / 9.2 kW @ 8000 rpm |
| Max Torque: | 36.3 Nm / 26.8 lb-ft @ 5500 rpm | 106 Nm /10.5 kgf-m / 76.7 ft-lb @ 8000 rpm | 11.7 Nm / 1.2 kgf-m @ 6500 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | O-ring chain | Chain |
| Frame: | Half-duplex cradle | Aluminium die-cast, diamond shaped | Box section Semi double cradle |
| Front Suspension: | 35mm telescopic forks | Telescopic upside forks, | Telescopic fork |
| Front Wheel Travel: | 150 mm / 5.9 in | 130 mm / 5.1 in | 170 mm / 6.6 in |
| Rear Suspension: | Dual shock, 5-way adjustable spring preload. | Link-type swingarm, | Monocross with linkage, with 190mm wheel travel. |
| Rear Wheel Travel: | 105 mm / 4.1 in | 130 mm / 5.1 in | 190 mm / 7.4 in |
| Front Brakes: | Single 200mm disc | 2x 320mm discs 4 piston calipers | Single 245mm disc |
| Rear Brakes: | 150mm drum | Single 245mm disc 1 piston caliper | Single 220mm disc |
| Front Tyre: | 3.50 S19 | 120/70 ZR17 | 90/90-21 |
| Rear Tyre: | 4.00 S18 | 190/50 ZR17 | 120/80-18 |
| Dimensions: | Width 845 mm / 33.3 in Height 1155 mm / 45.5 in | Height 1204 mm / 47.4 in Length 2141 mm / 84.3 in Width 770 mm / 30.3 in | Length 1995 mm / 78.5 in Width 840 mm / 33 in |
| Wheelbase: | 1405 mm / 55.3 in | 1461 mm / 57.5 in | 1335 mm / 52.6 in |
| Seat Height: | 810 mm / 32 in | 815 mm / 32.1 in | 860 mm / 34 in |
| Dry Weight: | 158 kg / 348 lbs | 198 kg / 436.5 lbs | 111 kg / 245 lbs |
| Wet Weight: | 173 kg / 381.4 lbs | 221 kg / 487 lbs | 122.2 kg / 269 lbs |
| Fuel Capacity: | 12 Litres / 3.1 US gal | 18 Litres / 4.76 gal | 10.0 Litres / 2.2 US gal |
| Standing ¼ Mile: | 15.3 sec | 11.1 sec | 21.9 sec |
| Top Speed: | 95 mph / 152.8 km/h | 246.1 km/h | 95.2 km/h |