Triumph T120 Bonneville 650 (1960-61) vs Laverda OR600 Atlas (1986-87)
Comparison technical specifications
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| Make: | Triumph | Laverda |
| Model: | T120 Bonneville 650 | OR600 Atlas |
| Years: | 1960-61 | 1986-87 |
| Engine: | Four stroke, parallel twin, OHV | Four stroke, parallel twin cylinders, DOHC, 4 valve per cylinder, 180° crankshaft |
| Capacity: | 649 cc / 39.6 cu in | 571.6 cc / 34.8 cu-in |
| Bore x Stroke: | 71 x 82 mm | 76 x 63 mm |
| Compression Ratio: | 8.5:1 | 9.1:1 |
| Induction: | 2 x Amal 1 - 1/6" carburetors | Dell'Orto twin choke |
| Ignition: | Lucas magneto | Bosch electronic |
| Starting: | Kick | Electric |
| Max Power: | 34 kW / 46 hp @ 6700 rpm | 50 hp / 36.4 kW @ 7500 rpm |
| Transmission: | 4 Speed, constant mesh | 6 Speed |
| Final Drive: | Chain, 101 links | Chain |
| Front Suspension: | Telescopic forks, hydraulic damping | Air assisted telescopic forks |
| Rear Suspension: | Swingarm, twin Girling dampers | Single shock |
| Front Brakes: | 8" SLS drum | Single 260mm disc 2piston calliper |
| Rear Brakes: | 7" SLS drum | Single 230mm disc 1 piston calliper |
| Front Tyre: | 3.25 x 19, Dunlop | 90/90-21 |
| Rear Tyre: | 4.00 x 18, Dunlop | 130/80-17 |
| Dry Weight: | 183 kg / 403 lbs | 151 kg |
| 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 | 25 Litres / 6.6 US gal |