Yamaha IT 175 (1980) vs Ducati 748 Biposto (1999)
Comparison technical specifications
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| Make: | Yamaha | Ducati |
| Model: | IT 175 | 748 Biposto |
| Years: | 1980 | 1999 |
| Engine: | Two stroke, single cylinder, reed-valve inducted | Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven |
| Capacity: | 171 cc / 10.4 cu-in | 748 cc / 45.6 cu in |
| Bore x Stroke: | 66 x 50mm | 88 x 61.5 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 7.9:1 | 11.5:1 |
| Induction: | 32mm Mikuni carburetor | Weber I.A.W. CPU 1.6M |
| Ignition: | CDI | Electronic |
| Starting: | Kick | Electric |
| Max Power: | 19.86 hp / 14.6 kW @ 8000 rpm | 72.1 kW / 98 hp @ 1100 rpm |
| Max Torque: | 18.47 Nm / 13.63 lb-ft @ 7500 rpm | 75 Nm / 7.65 kg-m /55.3 ft-lb @ 8700 rpm |
| Clutch: | Wet, multi-disc | Dry, multi-plate, hydraulic control |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain, 520 VL4 - 5/8" x 1/4" |
| Frame: | Single-downtube, full cradle, chromoly frame, box section aluminum swingarm | Trestle type constructed of "ALS 450" steel alloy |
| Front Suspension: | Telescopic forks | Inverted type, 43 mm diameter stanchions, Showa GD051, fully adjustable |
| Front Wheel Travel: | 244 mm / 9.6 in | 127 mm / 5.0 in |
| Rear Suspension: | Monoshock with adjustable damping and pre-load | Progressive linkage with adjustable monoshock, Sachs |
| Rear Wheel Travel: | 241 mm / 9.4 in | 130 mm / 5.1 in |
| Front Brakes: | Drum | 2 x 320mm Discs, 4 piston calipers |
| Rear Brakes: | Drum | Single 220 mm disc, 1 piston caliper |
| Front Tyre: | 3.00 x 21 | 120/60 ZR17 |
| Rear Tyre: | 4.10 x 18 | 180/55 ZR17 |
| Wheelbase: | 1417 mm / 55.8 in | 1410 mm / 55.5 in |
| Seat Height: | 899 mm / 35.4 in | 790 mm / 31.1 in |
| Ground Clearance: | 290 mm / 11.4 in | 150 mm / 5.9 in. |
| Fuel Capacity: | 11 Litres / 2.9 US gal | 17 Litres / 4.5 US gal / 3.7 Imp gal |