Yamaha RD 250 (1977) vs Ducati 750SS (2000)
Comparison technical specifications
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| Make: | Yamaha | Ducati |
| Model: | RD 250 | 750SS |
| Years: | 1977 | 2000 |
| Engine: | Two stroke, torque induction, parallel twin | Four stroke, 90°“L” twin cylinder, SOHC desmodromic 2 valves per cylinder, belt driven |
| Capacity: | 247 cc / 15.0 cu-in | 748 cc / 45.6 cu-in |
| Bore x Stroke: | 54 х 54 mm | 88 x 61.5 mm |
| Compression Ratio: | 6.7:1 | 9.0:1 |
| Induction: | 2x Mikuni VM28 SC carburetor | Marelli 1.5 CPU |
| Ignition: | Battery and coil with breaker points | Marelli electronic |
| Starting: | Kick | Electric |
| Max Power: | 30 hp / 22.3 kW @ 7500 rpm | 46.7 kW / 64 hp @ 8250 rpm |
| Max Torque: | 21 lb-ft / 2.9 kgf-m @ 7000 rpm | 62 Nm / 6.3 kgf-m / 45.7 ft-lb @ 6000 rpm |
| Clutch: | Wet multi-plate | Wet, multiplate |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic forks | 43 mm Showa GD141 upside-down fully adjustable |
| Rear Suspension: | Dual shocks | Showa GD132, progressive linkage with adjustable monoshock |
| Front Brakes: | Single 267mm disc | 2 x 320 mm Brembo discs, Brembo P4 30-34 four piston calipers |
| Rear Brakes: | Single 267mm disc | Single 245 mm Brembo disc, 2 piston caliper |
| Front Tyre: | 3.00S-18-4PR | 120/70-17 |
| Rear Tyre: | 3.50S-18-4PR | 160/60-17 |
| Dimensions: | Length 1995 mm / 78.5 in Width 830 mm / 32.6 in Height 1085 mm / 42.7 in | Length: 2020 mm / 79.5 in Width: 780 mm / 30.7 in Height: 1100 mm / 43.3 in |
| Wheelbase: | 1325 mm / 52.1 in | 1405 mm / 55.3 in |
| Dry Weight: | 152 kg / 335 lbs | 183 kg / 403 lbs |
| Fuel Capacity: | 16.5 Liters / 4.2 US gal | 16 L / 4.2 US gal / 3.5 Imp gal |