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General information |
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Motorcycle name
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Triumph Bonneville T120TT |
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Year
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1966 |
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Category
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Sport |
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Rating
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3.0 Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike. |
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Engine and transmission |
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Displacement
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649.0 ccm (39.60 cubic inches) |
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Engine type
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Twin, four-stroke |
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Power
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52.0 HP (38.0 kW)) @ 6500 RPM |
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Top speed
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185.0 km/h (115.0 mph) |
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Compression
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11.0:1 |
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Bore x stroke
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71.0 x 82.0 mm (2.8 x 3.2 inches) |
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Fuel system
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Carburettor. Amal monobloc carburettor |
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Fuel control
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Overhead Valves (OHV) |
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Ignition
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AC energy transfer (ET) |
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Cooling system
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Air |
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Gearbox
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4-speed |
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Transmission type
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Chain (final drive) |
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Clutch
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Multi-plate, wet |
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Driveline
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Constant-mesh, right-foot shift |
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Chassis, suspension, brakes and wheels |
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Frame type
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Brazed lug, full-cradle, single downtube |
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Rake (fork angle)
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28.0° |
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Front suspension
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Telescopic fork, hydraulic damping. |
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Rear suspension
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Swing arm, 2 Girling dampers |
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Front tire
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3.50-19 |
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Rear tire
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4.00-18 |
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Front brakes
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Expanding brake (drum brake) |
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Diameter
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203 mm (8.0 inches) |
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Rear brakes
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Expanding brake (drum brake) |
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Diameter
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178 mm (7.0 inches) |
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Wheels
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Wire spoked |
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Seat
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Dual seat |
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Physical measures and capacities |
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Dry weight
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165.0 kg (363.8 pounds) |
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Power/weight ratio
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0.3152 HP/kg |
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Seat height
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775 mm (30.5 inches) If adjustable, lowest setting. |
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Ground clearance
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127 mm (5.0 inches) |
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Wheelbase
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1403 mm (55.2 inches) |
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Fuel capacity
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9.46 litres (2.50 US gallons) |
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Other specifications |
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Color options
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Red/white |
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Starter
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Kick |
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Electrical
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Lucas RM19 alternator, 12-volt electrics |
| Update specs | Report missing specs or required updates. |
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Further information |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 66 Triumph Bonneville T120TT discussion group or the general Triumph discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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Rating sample for this Triumph bike
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Offroad capabilities for the 1966 Triumph Bonneville T120TT:
 (42.9 out of 100)
Click here for complete rating. You can also compare bikes.
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