Yamaha SR 500 (1993-99) vs Honda CB 400T Hawk (1977) vs Yamaha XT 250 (1981-82) vs Honda C 71 (1960-61) vs Yamaha XT 400 (1981-85)
Comparison technical specifications
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| Make: | Yamaha | Honda | Yamaha | Honda | Yamaha |
| Model: | SR 500 | CB 400T Hawk | XT 250 | C 71 | XT 400 |
| Years: | 1993-99 | 1977 | 1981-82 | 1960-61 | 1981-85 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valves per cylinder. | Four stroke, parallel twin cylinder, SOHC, 3 valve per cylinder | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, twin cylinder SOHC | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 499 cc / 30.4 cu-in | 395 cc / 24.1 cu-in | 249 cc / 15.2 cu-in | 247.3 | 399 cc / 24.3 cu-in |
| Bore x Stroke: | 87 х 84 mm | 70.5 x 50.6mm | 75 х 56.5 mm | 54 x 54 mm | 87 х 67.2 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 9.0:1 | 9.3:1 | 9.2:1 | 6.2:1 | 8.8:1 |
| Induction: | 34mm Mikuni VM34SS carburetor | 2x 32mm Keihin carburetors | Single 28mm Mikuni caruretor | Caburetor | |
| Ignition: | CDI | CDI | CDI | 6 Volt Magnetic flywheel | CDI |
| Starting: | Kick | Electric & kick | Kick | Kick | Kick |
| Max Power: | 31.5 hp / 23.5 kW @ 6500 rpm | 34 hp / 25.47 kW @ 9500 rpm | 22 hp / 16.1 kW @ 8000 rpm | 13,3 kW/ 18 hp @ 7400 rpm | 31 hp / 22 Kw @ 7000 rpm |
| Transmission: | 5 Speed | 5 Speed | 5 Speed | 4 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain | Chain | Chain |
| Front Suspension: | 35mm telescopic forks | Telescopic forks | Leading axle, coil spring forks | Hydra lick forks | Telescopic forks |
| Rear Suspension: | Dual shock, 5-way adjustable spring preload. | Dual EVO dampers with 5-way spring preload adjustment. | Swing arm single Kayaba shock | Dual chocks | Mono-cross |
| Front Brakes: | Single 200mm disc | Single 282mm disc | 130mm Drum | Drum | Drum |
| Rear Brakes: | 150mm drum | 153mm Drum | 130mm Drum | Drum | Drum |
| Front Tyre: | 3.50 S18 | 3.60 S19 | 3.00-21 | 3.25-16 | 3.00-21 |
| Rear Tyre: | 4.00 S18 | 4.10 S18 | 4.60-17 | 3.25-16 | 4.60-18 |
| Fuel Capacity: | 12 Litres / 3.1 US gal | 13 Litres / 3.1 US gal | 8 Litres / 2.1 US gal | 11.4 Litres / 3.0 US gal |