Triumph T120 Bonneville 650 Police (1966) vs Triumph Street Triple 765RS (2017)
Comparison technical specifications
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| Make: | Triumph | Triumph |
| Model: | T120 Bonneville 650 Police | Street Triple 765RS |
| Years: | 1966 | 2017 |
| Engine: | Four stroke, parallel twin, OHV | Four stroke, in-line 3-cylinder, DOHC, 4 valve per cylinder |
| Capacity: | 649 cc / 39.6 cu in | 765 cc / 46.6 cu-in |
| Bore x Stroke: | 71 x 82 mm | 78 x 53.4 mm |
| Compression Ratio: | 8.5:1 | 12.65:1 |
| Cooling System: | Air cooled | Liquid-cooled |
| Induction: | 2 x Amal 1 - 1/6" carburetors | Multipoint sequential electronic fuel injection with SAI. Electronic throttle control |
| Ignition: | Lucas MA6 alternator with 2 coils | Digital - inductive type |
| Starting: | Kick | Electric |
| Max Power: | 34 kW / 46 hp @ 6500 rpm | 121 hp / 90 kW @ 11,700rpm |
| Clutch: | Wet, multiplate | Wet, multi-plate, slip and assist clutch |
| Transmission: | 4 Speed, constant mesh | 6 Speed, close ratio |
| Final Drive: | Chain, 106 links | O ring chain |
| Frame: | Single front downtube, second bracing member running under tank | Front – Aluminium beam twin spar. Rear – 2 piece high pressure die cast |
| Front Suspension: | Telescopic forks, hydraulic damping | Showa 41 mm upside down big piston forks (BPF). Adjustable compression damping, rebound damping and preload. |
| Rear Suspension: | Swingarm, twin Girling dampers | Öhlins STX40 piggyback reservoir monoshock. Adjustable spring preload (lock-rings), compression damping and rebound damping |
| Front Brakes: | 8" SLS drum | 2 x 310 mm floating discs, Brembo M50 4-piston radial monobloc calipers |
| Rear Brakes: | 7" SLS drum | Single 220 mm fixed disc, Brembo single piston sliding calliper |
| Front Tyre: | 3.25 x 19, Dunlop Universal | 120/70 ZR17 Pirelli Diablo Supercorsa SP |
| Rear Tyre: | 4.00 x 18, Dunlop Universal | 180/55 ZR17 Pirelli Diablo Supercorsa SP |
| Dimensions: | Length 2020 mm / 85.5 in Width 720 mm / 28.5 in | Length 2065 mm / 81.2 in Height 1085 mm / 42.7 in (without mirrors) |
| Wheelbase: | 1403 mm / 55.2 in | 1410 mm / 55.5 in |
| Seat Height: | 775 mm / 30.5 in | 825 mm / 32.4 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 | 17.4 Litres / 4.6 US gal / 3.8 Imp gal |