Yamaha RD 250 (1975) vs Yamaha FZ-S 1000 Fazer (2001)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | RD 250 | FZ-S 1000 Fazer |
| Years: | 1975 | 2001 |
| Engine: | Two stroke, torque induction, parallel twin | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. |
| Capacity: | 247 cc / 15.0 cu-in | 998 cc / 60.9 cu-in |
| Bore x Stroke: | 54 х 54 mm | 74 X 58 mm |
| Cooling System: | Air cooled | Liquid cooled, |
| Compression Ratio: | 6.7:1 | 11.8:1 |
| Induction: | 2x Mikuni VM28 SC carburetor | 4 x 37mm Mikuni CV Side draft |
| Ignition: | Battery and coil with breaker points | Digital TCI |
| Starting: | Kick | Electric |
| Max Power: | 30 hp / 22.3 kW @ 7500 rpm | 143.1 hp / 104.3 kW @ 10000 rpm |
| Max Torque: | 21 lb-ft / 2.9 kgf-m @ 7000 rpm | 105.9 Nm / 78.1 ft.lbs @ 7500 rpm |
| Clutch: | Wet multi-plate | Wet, multiple discs, cable operated |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic forks | Telescopic fork, 43mm tubes |
| Rear Suspension: | Dual shocks | Link-type swingarm |
| Front Brakes: | Single disc | 2x 298mm discs 4 pistons calipers |
| Rear Brakes: | Drum | Single 268mm disc 2 piston caliper |
| Front Tyre: | 3.00S-18-4PR | 120/70 ZR17 |
| Rear Tyre: | 3.50S-18-4PR | 180/55 ZR17 |
| Dimensions: | Length 2030 mm / 79.9 in Width 830 mm / 32.6 in Height 1085 mm / 42.7 in | Length 2125 mm / 83.7 in Height 1190 mm / 46.9 in Width 765 mm / 30.1 in |
| Wheelbase: | 1325 mm / 52.1 in | 1450 mm / 57.1 in |
| Ground Clearance: | 150 mm / 5.9 in | 140 mm / 5.5 in |
| Dry Weight: | 152 kg / 335 lbs | 208 kg / 458.6 lbs |
| Fuel Capacity: | 16.5 Liters / 4.2 US gal | 21 Litres / 4.7 gal |