Ducati 750 F1 Desmo (1985) vs Yamaha R5-B 350 (1971) vs Yamaha GX 250 (1978-79) vs Yamaha MT-07 Tracer 700 (2020)
Comparison technical specifications
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| Make: | Ducati | Yamaha | Yamaha | Yamaha |
| Model: | 750 F1 Desmo | R5-B 350 | GX 250 | MT-07 Tracer 700 |
| Years: | 1985 | 1971 | 1978-79 | 2020 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven | Piston port two stroke, parallel twin cylinder. | Four stroke parallel twin-cylinder OHC 2 valve per cylinder | Four stroke, parallel twin, DOHC, 4 valves per cylinder |
| Capacity: | 748 cc / 45.6 cu in | 347 cc / 21.2 cu in | 248 | 689 cc / 42.04 cu-in |
| Bore x Stroke: | 88 x 61.5 mm | 64 х 54 mm | 55 х 52.4 mm | 80 x 68.6 mm |
| Compression Ratio: | 9.3:1 | 7.5:1 | 9.6:1 | 11.5:1 |
| Induction: | 2 x 36 mm Dell'Orto PHF36 carburetors | 2 x Mikuni VM28 SC carburetors | Carburetor | Fuel injection |
| Starting: | Electric | Kick | Kick | Electric |
| Max Power: | 46 kW / 62.5 hp @ 7500 rpm | 26.8 kW / 36 hp @ 7000 rpm | 25 hp @ 9500 rpm | 55 kW / 74.8 hp @ 8750 rpm |
| Max Torque: | 61 Nm / 6.22 kgf-m / 45 ft-lb @ 6500 rpm | 37.9 Nm / 3.87 kgf-m / 28 ft-lb @ 6500 rpm | 1.9 k-m @ 8500 rpm | 68 Nm / 50.1 lb-ft @ 6500 rpm |
| Transmission: | 5 Speed | 5 Speed | 6 Speed | Constant Mesh, 6 speed |
| Final Drive: | Chain | Chain | Chain | Chain |
| Front Suspension: | 38 mm Marzocchi telescopic fork | Telescopic fork | Telescopic forks | Telescopic forks |
| Rear Suspension: | Round section chrome-moly steel swingarm with adjustable (for preload) cantilever mono-shock, Marzocchi PVS 4 | Swingarm | Dual shocks | Swinging arm, (link suspension) |
| Front Brakes: | 2 x 280mm Discs, single piston caliper. | Drum, twin leading shoe | Single disc | 2x 282mm discs |
| Rear Brakes: | Single 260 mm disc | Drum, single leading shoe | Single disc | Single 245mm disc |
| Front Tyre: | 120/80 V16 | 3.00-18 | 3.00-18 | 120/70 R17 M/C (58W) (tubeless) |
| Rear Tyre: | 130/80 V18 | 3.50-18 | 3.25-18 | 180/55 R17 M/C 73W (tubeless) |
| Fuel Capacity: | 18 L / 4.8 US gal / 4.0 Imp gal | 12 L / 3.2 US gal | 17 Litres / 4.49 US gal |