Triumph T120R Bonneville 650 (1968)
Comparison technical specifications
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| Make: | Triumph |
| Model: | T120R Bonneville 650 |
| Years: | 1968 |
| Engine: | Four stroke, parallel twin, OHV |
| Capacity: | 649 cc / 39.6 cu in |
| Bore x Stroke: | 71 x 82 mm |
| Compression Ratio: | 8.5:1 |
| Cooling System: | Air cooled |
| Induction: | 2 x Amal 1 - 1/6" carburetors |
| Ignition: | Lucas MA6 alternator with 2 coils |
| Starting: | Kick |
| Max Power: | 34 kW / 46 hp @ 6500 rpm |
| Clutch: | Wet, multiplate |
| Transmission: | 4 Speed, constant mesh |
| Final Drive: | Chain, 106 links |
| Gear Ratios: | 1st 11.80 / 2nd 8.17 / 3rd 6.76 / 4th 5.84:1 |
| Frame: | Single front downtube, second bracing member running under tank |
| Steering Angle: | 65o |
| Front Suspension: | Telescopic forks, hydraulic damping |
| Rear Suspension: | Swingarm, twin Girling dampers |
| Front Brakes: | 8" SLS drum |
| Rear Brakes: | 7" SLS drum |
| Front Tyre: | 3.25 x 19, Dunlop Universal |
| Rear Tyre: | 4.00 x 18, Dunlop Universal |
| Dimensions: | Length 2020 mm / 85.5 in Width 720 mm / 28.5 in |
| Wheelbase: | 1403 mm / 55.2 in |
| Seat Height: | 775 mm / 30.5 in |
| Ground Clearance: | 127 mm / 5.0 in |
| Dry Weight: | 165 kg / 363 lbs |
| Fuel Capacity: | 13.6 Litres / 3.6 US gal other Export: 18 Litres / 4.8 US gal |
| Road Test: | Cycle 1989 |