Triumph T120R Bonneville 650 (1966-67) vs Triumph Scrambler 400X (2024)
Comparison technical specifications
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| Make: | Triumph | Triumph |
| Model: | T120R Bonneville 650 | Scrambler 400X |
| Years: | 1966-67 | 2024 |
| Engine: | Four stroke, parallel twin, OHV | Four stroke, DOHC, single cylinder, 4 valves |
| Capacity: | 649 cc / 39.6 cu in | 398 cc / 24.3 cu-in |
| Bore x Stroke: | 71 x 82 mm | 89.0 x 64.0mm |
| Compression Ratio: | 8.5:1 | 12.1:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Induction: | 2 x Amal 1 - 1/6" carburetors | Bosch ride-by-wire EFI |
| Starting: | Kick | Electric |
| Max Power: | 34 kW / 46 hp @ 6500 rpm | 29.4 kW / 40hp @ 8000 rpm |
| Clutch: | Wet, multiplate | Wet multiplate with assist and slip functions |
| Transmission: | 4 Speed, constant mesh | 6-Speed |
| Final Drive: | Chain, 106 links | X-ring chain |
| Frame: | Single front downtube, second bracing member running under tank | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
| Front Suspension: | Telescopic forks, hydraulic damping | 43mm Showa Big Piston, non-adjustable inverted fork |
| Rear Suspension: | Swingarm, twin Girling dampers | Gas monoshock RSU with external reservoir and pre-load adjustment. |
| Front Brakes: | 8" SLS drum | Single 320 mm fixed disc with radially mounted 4-piston caliper |
| Rear Brakes: | 7" SLS drum | Single 230 mm disc with floating caliper |
| Front Tyre: | 3.25 x 19, Dunlop Universal | 100/970 x R19 |
| Rear Tyre: | 4.00 x 18, Dunlop Universal | 1450/80 x R17 |
| Dimensions: | Length 2020 mm / 85.5 in Width 720 mm / 28.5 in | Length: 2117 mm / 83.3 in Width: 825 mm / 32.5 in Height: 1190 mm / 46.8 in |
| Wheelbase: | 1403 mm / 55.2 in | 1418 mm / 55.8 in |
| Seat Height: | 775 mm / 30.5 in | 835 mm / 32.9 in |
| 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 | 13 Litres / 3.43 US gal |