Laverda 750 SF1 (1973) vs Yamaha XT 250 (1981-82) vs Yamaha DT 230 Lanza (1997-00)
Comparison technical specifications
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| Make: | Laverda | Yamaha | Yamaha |
| Model: | 750 SF1 | XT 250 | DT 230 Lanza |
| Years: | 1973 | 1981-82 | 1997-00 |
| Engine: | Four stroke, parallel twin cylinders, SOHC, 2 valve per cylinder | Four stroke, single cylinder, SOHC, 2 valve | Two stroke, single-cylinder. |
| Capacity: | 744 cc / 45.4 cu-in | 249 cc / 15.2 cu-in | 224 cc / 13.6 cu-in |
| Bore x Stroke: | 80 x 74 mm | 75 х 56.5 mm | 66.8 x 64 mm |
| Cooling System: | Air cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 8.9:1 | 9.2:1 | 6.5:1 |
| Induction: | 2x 36mm Dell'Orto PHF carburetors | Single 28mm Mikuni caruretor | Carburettor |
| Ignition: | Bosch electronic | CDI | CDI Digital |
| Starting: | Electric | Kick | Electric |
| Max Power: | 65 hp / 47.4 kW @ 7300 rpm | 22 hp / 16.1 kW @ 8000 rpm | 29.4 kW / 40 PS @ 8500 rpm |
| Front Suspension: | Ceriani telescopic forks | Leading axle, coil spring forks | Oil telescopic forks |
| Rear Suspension: | Swinging fork, Ceriani adjustable shocks | Swing arm single Kayaba shock | Motocross |
| Front Brakes: | 2X 230mm drum | 130mm Drum | Single disc |
| Rear Brakes: | 200mm drum | 130mm Drum | Single disc |
| Front Tyre: | 3.50-18 | 3.00-21 | 3.00-21 |
| Rear Tyre: | 4.0-18 | 4.60-17 | 4.60-18 |
| Seat Height: | 790 mm / 31.1 in | 840 mm / 33.0 in | 865 mm / 34.0 in |
| Dry Weight: | 215 kg / 474 lbs | 114 kg / 251.3 lbs | 121 kg / 266.7 lbs |
| Fuel Capacity: | 19 Litres / 5.0 US gal | 8 Litres / 2.1 US gal | 11 Litres / 2.9 US gal |