Triumph T120R Bonneville 650 (1966-67) vs Yamaha DT 400 (1978-79)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
| Make: | Triumph | Yamaha |
| Model: | T120R Bonneville 650 | DT 400 |
| Years: | 1966-67 | 1978-79 |
| Engine: | Four stroke, parallel twin, OHV | Two stroke, single cylinder, read valve |
| Capacity: | 649 cc / 39.6 cu in | 397 cc / 24.2 cu-in |
| Bore x Stroke: | 71 x 82 mm | 85 Ñ… 70 mm |
| Compression Ratio: | 8.5:1 | 6.4:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | 2 x Amal 1 - 1/6" carburetors | Single 28mm Mikuni carburetor |
| Ignition: | Lucas MA6 alternator with 2 coils | CDI |
| Starting: | Kick | Kick |
| Max Power: | 34 kW / 46 hp @ 6500 rpm | 23 hp / 17.1 kW @ 5500 rpm |
| Transmission: | 4 Speed, constant mesh | 5 Speed |
| Final Drive: | Chain, 106 links | Chain |
| Front Suspension: | Telescopic forks, hydraulic damping | Telescopic forks |
| Rear Suspension: | Swingarm, twin Girling dampers | Swinging arm fork |
| Front Brakes: | 8" SLS drum | Drum |
| Rear Brakes: | 7" SLS drum | Drum |
| Front Tyre: | 3.25 x 19, Dunlop Universal | 3.00-21 |
| Rear Tyre: | 4.00 x 18, Dunlop Universal | 4.00-18 |
| Wheelbase: | 1403 mm / 55.2 in | 1410 mm / 55.5 in |
| Dry Weight: | 165 kg / 363 lbs | 124 kg / 272 lbs |
| Fuel Capacity: | US: 13.6 L / 3.6 US gal / 3 Imp gal / UK and other Export: 18 L / 4.8 US gal / 4 Imp gal | 9 Litres / 2.3 US gal |