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Triumph Bonneville T120R Roadster 19681968 Triumph Bonneville T120R Roadster specifications, pictures, reviews and rating |
1968 Triumph Bonneville T120R Roadster. Picture credit Triumphmotorcycles.typepad.com. Submit more pictures.
| General information | |
|---|---|
| Motorcycle name | Triumph Bonneville T120R Roadster |
| Model year | 1968 |
| Category | Sport |
| Rating | 3.6 Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike. |
| Engine and transmission | |
| Displacement | 649.0 ccm (39.60 cubic inches) |
| Engine type | Twin, four-stroke |
| Power output | 46.0 HP (33.6 kW)) @ 6500 RPM |
| Top speed | 185.0 km/h (115.0 mph) |
| Compression | 9.0:1 |
| Bore x stroke | 71.0 x 82.0 mm (2.8 x 3.2 inches) |
| Fuel system | Carburettor. Amal Concentric carburettor |
| Fuel control | Overhead Valves (OHV) |
| Ignition | Lucas |
| Cooling system | Air |
| Gearbox | 4-speed |
| Transmission type | Chain (final drive) |
| Clutch | Multi-plate, wet |
| Chassis, suspension, brakes and wheels | |
| Frame type | Brazed lug, full-cradle, single downtube |
| Rake (fork angle) | 26.0° |
| Front suspension | Telescopic fork, hydraulic damping. |
| Rear suspension | Swing arm, 2 Girling dampers |
| Front tire | 3.25-19 |
| Rear tire | 4.00-18 |
| Front brakes | Expanding brake (drum brake). Twin Leading Shoe |
| Diameter | 203 mm (8.0 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | 178 mm (7.0 inches) |
| Wheels | Wire spoked. Dunlop tyres. |
| Seat | Dual seat, black and gray |
| Physical measures and capacities | |
| Dry weight | 165.0 kg (363.8 pounds) |
| Power/weight ratio | 0.2788 HP/kg |
| Seat height | 775 mm (30.5 inches) If adjustable, lowest setting. |
| Ground clearance | 127 mm (5.0 inches) |
| Wheelbase | 1403 mm (55.2 inches) |
| Fuel capacity | 9.46 litres (2.50 US gallons) |
| Other specifications | |
| Color options | Red |
| Starter | Kick |
| Instruments | Smiths Magnetic gauges |
| Electrical | 12-volt electrical system |
| 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 68 Triumph Bonneville T120R Roadster 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 | |
Reliability for the 1968 Triumph Bonneville T120R Roadster:  (65.1 out of 100)Click here for complete rating. |
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