Yamaha DT-2 250 (1971-72) vs Yamaha XV 1900 Roadliner S (2010-11) vs Magni MV Agusta 861S (1979-)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Magni |
| Model: | DT-2 250 | XV 1900 Roadliner S | MV Agusta 861S |
| Years: | 1971-72 | 2010-11 | 1979- |
| Engine: | Two stroke, single cylinder | Four stroke, pushrod 48° V-Twin, OHV, 2 valves per cylinder | Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder |
| Capacity: | 246 cc / 15.0 cu-in | 1854 cc / 113 cu-in | 861 cc / 52.2 cu-in |
| Cooling System: | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 6.8:1 | 9.5:1 | 10.3:1 |
| Induction: | 26mm Mikuni carburetor | Twin-bore electronic fuel injection, 43mm throttle bodies and throttle position sensor | 4x 27mm Dell'Orto carb. |
| Starting: | Kick | Electric | Electric |
| Max Power: | 24 hp / 17.8 kW @ 7000 rpm | 98.6 hp / 72.0 kW @ 4250 rpm | 71 kW / 92.5 hp @ 10000 rpm |
| Transmission: | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Belt | Chain |
| Front Suspension: | Telescopic forks | 46mm telescopic forks, | 38mm Forcelle Italia telescopic forks, preload, rebound damping adjustable. |
| Rear Suspension: | Dual shocks | Single shock, link-type, | Dual Koni shocks preload adjustable |
| Front Brakes: | Drum | 2x 298mm discs 4 piston calipers | 2x 280mm discs |
| Rear Brakes: | Drum | Single 320mm disc 4 piston caliper | Single 280mm disc |
| Front Tyre: | 3.25-19 | 130/70 -18 | 110/80 -18 |
| Rear Tyre: | 4.00-18 | 190/60 -17 | 150/70 -18 |
| Fuel Capacity: | 9 Litres / 2.5 US gal | 17 Litres / 4.4 us gal | 19 Litres / 5.0 US gal |