Yamaha DT-2 250 (1971-72) vs Yamaha XV 1900 Roadliner S (2010-11)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | DT-2 250 | XV 1900 Roadliner S |
| Years: | 1971-72 | 2010-11 |
| Engine: | Two stroke, single cylinder | Four stroke, pushrod 48° V-Twin, OHV, 2 valves per cylinder |
| Capacity: | 246 cc / 15.0 cu-in | 1854 cc / 113 cu-in |
| Bore x Stroke: | 70 x 64 mm | 100 х 118 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 6.8:1 | 9.5:1 |
| Lubrication: | Autolube | Dry sump |
| Induction: | 26mm Mikuni carburetor | Twin-bore electronic fuel injection, 43mm throttle bodies and throttle position sensor |
| Ignition: | Flywheel magneto | Digital TCI |
| Starting: | Kick | Electric |
| Max Power: | 24 hp / 17.8 kW @ 7000 rpm | 98.6 hp / 72.0 kW @ 4250 rpm |
| Max Torque: | 24.8 Nm / 18.3 lb-ft @ 6000 rpm | 166.7 Nm / / 17 kg-m / 123 ft-lb @ 2250 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Belt |
| Front Suspension: | Telescopic forks | 46mm telescopic forks, |
| Rear Suspension: | Dual shocks | Single shock, link-type, |
| Front Brakes: | Drum | 2x 298mm discs 4 piston calipers |
| Rear Brakes: | Drum | Single 320mm disc 4 piston caliper |
| Front Tyre: | 3.25-19 | 130/70 -18 |
| Rear Tyre: | 4.00-18 | 190/60 -17 |
| Dimensions: | Length 2100.5 mm / 82.7 in Width 889.0 mm / 35.0 in Height 1160.7 mm / 45.7 in | Length 2580mm / 101.6 in Width 1055mm / 41.5 in Height 1105mm / 43.5 in |
| Wheelbase: | 1389.3 mm / 54.7 in | 1715 mm / 67.5 in |
| Seat Height: | 813 mm / 32 in | 735mm / 28.9 in |
| Dry Weight: | 115kg / 253 lbs | 340 kg / 748 lbs |
| Fuel Capacity: | 9 Litres / 2.5 US gal | 17 Litres / 4.4 us gal |