Yamaha TDM 900A (2006-07) vs Yamaha RD 125 (1979-80)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | TDM 900A | RD 125 |
| Years: | 2006-07 | 1979-80 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 5 valves per cylinder | Two stroke, parallel twin |
| Capacity: | 897 cc / 54.7 cu-in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 92 x 67.5 mm | 43 х 43 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 10.4:1 | 6.8:1 |
| Induction: | Electronic Fuel Injection | 2x 18mm Teikei carburetors |
| Ignition: | TCI | Battery coil |
| Starting: | Electric | Kick |
| Max Power: | 86.2 hp / 63.4kW @ 7500 rpm | 17 hp / 12.4 kW @ 8500 rpm |
| Max Torque: | 88.8 Nm / 9.1 kgf-m @ 6000 rpm | 1.3 kgf-m @ 8000 rpm |
| Transmission: | 6 speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Frame: | Aluminium, diamond shaped | steel tube engine used as a stressed member |
| Front Suspension: | Telescopic fork | 28 mm telescopic forks |
| Rear Suspension: | Swingarm Link-type | Dual rear shock pre-load adjustable |
| Front Brakes: | 2 x 298mm discs with ABS | Single240mm disc |
| Rear Brakes: | Single 248mm disc with ABS | 130 mm Drum |
| Front Tyre: | 120/70 ZR18 | 2.75-18 |
| Rear Tyre: | 160/60 ZR17 | 3.00-18 |
| Wheelbase: | 1485 mm / 58.5 in | 1245 mm / 49.0 in |
| Seat Height: | 825 mm / 32.5 in | 749 mm / 29.5 in |
| Wet Weight: | 223.0 kg / 491.6 lbs | 115 kg / 255 lbs |
| Fuel Capacity: | 20 Litres / 5.2 US gal | 11.5 Litres / 3.04 US gal |