Yamaha TX 650-III (1980) vs Yamaha SR 400 (2010-11) vs Yamaha TDR 250 (1989)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
Remove bike |
| Make: | Yamaha | Yamaha | Yamaha |
| Model: | TX 650-III | SR 400 | TDR 250 |
| Years: | 1980 | 2010-11 | 1989 |
| Engine: | Air cooled, four stroke, parallel twin cylinder. | Four stroke, single cylinder, SOHC, 2 valves per cylinder. | Liquid cooled, two stroke, parallel twin cylinder, read valve, |
| Capacity: | 653 | 399 cc / 24.3 cu-in | 249 |
| Bore x Stroke: | 75 х 74 mm | 87 х 67.2 mm | 56.4 х 50 mm |
| Compression Ratio: | 8.4:1 | 8.5:1 | 5.9:1 |
| Induction: | 2x 30.+mm Mikuni | Fuel injection | 2x 28mm Mikuni carbs |
| Max Power: | 50 hp @ 7500 rpm | 27 hp / 17.1 KW @ 7000 rpm | 46 hp @ 9500 rpm |
| Max Torque: | 5.3 kgf-m @ 5500 rpm | 27.4 Nm / 6.3 kgf-m @ 6500 rpm | 3.6 kgf-m @ 8000 rpm |
| Front Suspension: | Telescopic fork | Air assisted telescopic forks7-way adjustable preload, | |
| Rear Suspension: | Dual shocks | Single shock rising rate adjustable preload, | |
| Front Brakes: | 2x 297mm discs | Single disc | Single 320mm disc 2 piston calipers |
| Rear Brakes: | Drum | Drum | Single 210mm disc single piston caliper |
| Front Tyre: | 3.50-19 | 3.50-19 | 110/90-18 |
| Rear Tyre: | 4.00-18 | 4.00-16 | 120/80-17 |
| Fuel Capacity: | 17 Litres | 12 Litres / 3.2 gal | 13.6 Litres |