Triumph Bonneville 650 T120 (1971)
Comparison technical specifications
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| Make: | Triumph |
| Model: | Bonneville 650 T120 |
| Years: | 1971 |
| Engine: | Four stroke, parallel twin, OHV |
| Capacity: | 649 cc / 39.6 cu in |
| Bore x Stroke: | 71 x 82 mm |
| Compression Ratio: | 9.0:1 |
| Cooling System: | Air cooled |
| Induction: | 2 x 30 mm Amal concentric carburetors |
| Ignition: | Battery, coil |
| Starting: | Kick |
| Lighting system: | 12V alternator |
| Oil system.: | Double plunger pump, dry sump |
| Oil capacity: | 3.4 L / 7.2 US pt / 6 Imp pt |
| Clutch: | Multi-disc, wet |
| Max Power: | 37.3 kW / 50 hp @ 7000 rpm |
| Max Toque: | 52.1 Nm / 5.3 kgf-m / 38.5 lb-ft @ 6000 rpm |
| Transmission: | 4 Speed |
| Final Drive: | Chain |
| Gear Ratios: | 4th 4.95 / 3rd 6.14 / 2nd 8.36 / 1st 12.08 |
| Front Suspension: | Telescopic forks |
| Rear Suspension: | Swinging arm, dual shocks |
| Front Brakes: | Drum |
| Rear Brakes: | Drum |
| Front Tyre: | 3.25 -19 |
| Rear Tyre: | 4.00 -18 |
| Fuel Capacity: | 16L / 4.2 US gal / 3.5 Imp gal |
| Wet Weight: | 181 kg / 399 lbs |