| Attribute | Triumph Bonneville T120C Street Scrambler 1963 × | Triumph Bonneville T120R Roadster 1963 × |
|---|---|---|
| General | ||
| Production from (year) | 1963 | 1963 |
| Make | Triumph | Triumph |
| Model | Triumph Bonneville T120C Street Scrambler | Triumph Bonneville T120R Roadster |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor. Amal monobloc carburettor | Carburettor. Amal monobloc carburettor |
| Displacement (cm³) | 649 | 649 |
| Power (kw) | 33.6 | 33.6 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 71 | 71 |
| Stroke (mm) | 82 | 82 |
| Gearbox | 4-speed | 4-speed |
| Fuel control | Overhead Valves (OHV) | Overhead Valves (OHV) |
| Ignition | Lucas K2F auto-advance Magneto | Lucas K2F auto-advance Magneto |
| Clutch | Multi-plate, wet | Multi-plate, wet |
| Compression | 8.5:1 | 8.5:1 |
| Chassis | ||
| Front suspension | Telescopic fork, hydraulic damping. | Telescopic fork, hydraulic damping. |
| Rear suspension | Swing arm, 2 Girling dampers | Swing arm, 2 Girling dampers |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 178 | 178 |
| Frame type | Brazed lug, full-cradle, single downtube | Brazed lug, full-cradle, single downtube |
| Front tyre | 3.25-18 | 3.25-18 |
| Rear tyre | 3.50-18 | 3.50-18 |
| Seat | Dual seat | Dual seat |
| Wheels | Wire spoked | Wire spoked |
| Rake (fork angle) (degree) | 26 | 26 |
| Other | ||
| Starter | Kick | Kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,403 | 1,403 |
| Dry weight (kg) | 165 | 165 |
| Power/weight ratio | 0.2036 | 0.2036 |
| Seat height (mm) | 775 | 775 |
| Ground clearance (mm) | 127 | 127 |
| Performance | ||
| Top speed (km/h) | 185 | 185 |
| Fuel capacity (l) | 15.14 | 15.14 |