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Triumph T120 Bonneville 19591959 Triumph T120 Bonneville specifications, pictures, reviews and rating |
1959 Triumph T120 Bonneville. Image credits - Triumph.
| General information | |
|---|---|
| Model | Triumph T120 Bonneville |
| Year model | 1959 |
| Type | Sport |
| Rating | 3.2 Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike. |
| Engine and transmission | |
| Engine size | 649.0 ccm (39.60 cubic inches) |
| Type of engine | Twin, four-stroke |
| Effect | 46.0 HP (33.6 kW)) @ 6700 RPM |
| Top speed | 185.0 km/h (115.0 mph) |
| Bore x stroke | 71.0 x 82.0 mm (2.8 x 3.2 inches) |
| Fuel system | Carburettor. Amal monobloc carburettor |
| Fuel control | Overhead Valves (OHV) |
| Ignition | Lucas magneto |
| Cooling system | Air |
| Gearbox | 4-speed |
| Transmission type | Chain (final drive) |
| Clutch | Multi-plate, wet |
| Chassis, suspension, brakes and wheels | |
| Frame type | Brazed lug, rigid |
| Front suspension | Telescopic fork. |
| Rear suspension | Twin shocks. Girlings 100 lb/ft spring tension, adjustable pre-set. |
| Front tire | 3.25-19 |
| Rear tire | 3.50-19 |
| Front brakes | Expanding brake (drum brake) |
| Diameter | 203 mm (8.0 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | 178 mm (7.0 inches) |
| Seat | Dual seat |
| Physical measures and capacities | |
| Dry weight | 183.0 kg (403.4 pounds) |
| Power/weight ratio | 0.2514 HP/kg |
| Seat height | 770 mm (30.3 inches) If adjustable, lowest setting. |
| Ground clearance | 127 mm (5.0 inches) |
| Wheelbase | 1400 mm (55.1 inches) |
| Fuel capacity | 15.14 litres (4.00 US gallons) |
| Other specifications | |
| Color options | Pearl Grey/Tangerine Orange |
| Update specs | Report missing specs or required updates. |
| Further information | |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 59 Triumph T120 Bonneville discussion group or the general Triumph discussion group. |
| Related bikes | List related bikes for comparison of specs. |
| Compare with another motorcycle | |
Pictures of classic bikes wanted
Bikez is now publishing specs for pre 1970 motorcycles. We invite our users to upload pictures of classic motorcycles. You will get your name and bike on Bikez.com. Search for the bikes you have pictures of and use the link to upload pictures. See our contribution page. We also have a discussion group about restoration and valuation of each bike. Vintage and veteran bikes can be sold and bought through our free motorcycle classifieds.| Rating sample for this Triumph bike | |
Fun-factor for the 1959 Triumph T120 Bonneville:  (82.3 out of 100)Click here for complete rating. |
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