Yamaha SR 400 (2004-08) vs Yamaha XS 650 (XS-1) (1969) vs Yamaha RS 200 (1979-81) vs Yamaha XT 250 (2004-05) vs Yamaha VR 300 Versity (2004) vs Yamaha DT 250 (1979-80) vs Yamaha XT 660X (2009)
Comparison technical specifications
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Make: | Yamaha | Yamaha | Yamaha | Yamaha | Yamaha | Yamaha | Yamaha |
Model: | SR 400 | XS 650 (XS-1) | RS 200 | XT 250 | VR 300 Versity | DT 250 | XT 660X |
Years: | 2004-08 | 1969 | 1979-81 | 2004-05 | 2004 | 1979-80 | 2009 |
Engine: | Four stroke, single cylinder, SOHC, 2 valves per cylinder. | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. | Two stoke, parallel twin | Four stroke, single cylinder. SOHC, 2 valve | Four stroke, single cylinder. | Two stroke, single cylinder | Four stroke, single cylinder, SOHC, 4 valve |
Capacity: | 399 cc / 24.3 cu-in | 653 cc / 39.8 cu in | 195 cc / 11.8 cu-in | 249 cc / 15.2 cu-in | 264 cc / 16.1 cu-in | 246 cc / 15.0 cu-in | 659 cc/ 40.2 cu-in |
Bore x Stroke: | 87 х 67.2 mm | 75 x 74 mm | 52 x 46 mm | 74.0 x 58.0mm | 71 x 66.8 mm | 70 x 64 mm | 100 x 84 mm |
Compression Ratio: | 8.5:1 | 8.4:1 | 6.5:1 | 9.5;1 | 10.0:1 | 6.8:1 | 10: 1 |
Induction: | BSR33 carburetor | 2 x Mikuni carburetors | Single Mikuni, VM 24SS Carburetor | 34mm Mikuni carburetor | Teikei Y28V-!j | Single 28mm Mikuni VM28SS | Fuel injection, 44 mm throttle body |
Ignition: | CDI | Battery, induction coil | Battery | CDI | TCI | External-rotor magneto; CDI; six-volt battery | TCI |
Starting: | Kick | Kick | Electric & Kick | Electric | Electric | Kick | Electric |
Max Power: | 27 hp / 17.1 KW @ 7000 rpm | 39.5 kW / 53 hp @ 7200 rpm | 17.7 hp / 13.0 kW @ 7500 rpm | 21 hp / 16.6 kW @ 6500 rpm | 15.2 hp / 11.1 kW @ 7500 | 17 hp 12.6 kW @ 6000 rpm | 33.8 kW / 48 hp @ 6000 rpm |
Max Torque: | 27.4 Nm / 6.3 kgf-m @ 6500 rpm | 54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm | 18.3 Nm / 1.87 kg-m @ 6000rpm | 2.1 kgf-m / 15.1 lb-ft @ 6500 rpm | 21.6 Nm / 15.9 kW @ 6000 rpm | 20.7 Nm / 15.3 lb-ft @ 5500 rpm | 58.4 Nm / 5.7 kgf-m @ 5250 rpm |
Front Suspension: | Telescopic fork | Telescopic forks | Telescopic forks | 35mm Telescopic forks | Telescopic fork | Oil-damped, coil-spring fork with forward-mounted axle and | 43 mm Telescopic forks, |
Rear Suspension: | Dual shocks | Dual shock absorbers | Dual shocks | Monocross, Swingarm rebound-adjustable single shock | Unit swing | DeCarbon-type, nitrogen-charged mono-shock producing | Oscillating arm standard Monocross. |
Front Brakes: | Single disc | Drum | Drum | Single 245mm disc | Single 270mm disc | Conical hub with drum brake | Single 320mm disc 4 piston caliper |
Rear Brakes: | Drum | Drum | Drum | Single 203mm disc | Single 240mm disc | Conical hub with rod-actuated drum brake | Single 245mm disc 1 piston caliper |
Front Tyre: | 3.50-19 | 3.50-19 | 2.75-17 | 80/70-21 | 120/80-14 | 3.00-21 | 120/700-17 |
Rear Tyre: | 4.00-16 | 4.00-18 | 3.00-17 | 120/80-18 | 150/70-14 | 4.00-18 | 160/60-17 |
Wheelbase: | 1410 mm / 55.5 IN | 1410 mm / 55.5" | 1245 mm / 49.0 in | 1359 mm / 53.5 in | 1565 mm / 61.6 in | 1420 mm / 55.9 in | 1505 mm / 59.3 in |
Fuel Capacity: | 12 Litres / 3.2 gal | 12.5 Litres / 3.3 US gal | 11.5 Litres / 3.0 us gal | 9.8 Litres / 2.6 US gal | 11.7 Litres / 3.0 US gal | 8.5 Litres / 2.2 gal | 15 Litres / 3.9 gal |