| MODEL | TRIUMPH BONNEVILLE 2009 |
| Year | 2009 |
| Engine Type | Four-stroke, parallel twin, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 865 cc / 52.8 cu in |
| Bore X Stroke | 90 x 68 mm |
| Compression Ratio | 9.2:1 |
| Cooling System | Air-cooled |
| Max Power | 49 kW / 66 hp @ 7250 rpm |
| Max Torque | 71 Nm / 7.24 kgf-m / 52 ft-lb @ 6000 rpm |
| Ignition | Digital |
| Induction | Multipoint sequential fuel injection |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 5-speed |
| Clutch | Wet, multi-plate |
| Final Drive | Chain, X-ring |
| CHASSIS SPECS | |
| Frame | Tubular steel cradle; twin-sided tubular steel swingarm |
| Front Suspension | 41 mm Kayaba telescopic forks, 120 mm / 4.7 in travel |
| Rear Suspension | Kayaba chrome twin shocks, adjustable preload, 106 mm / 4.17 in travel |
| Front Brakes | Single 310 mm disc, 2-piston caliper |
| Rear Brakes | Single 255 mm disc, 2-piston caliper |
| DIMENSION SPECS | |
| Overall Length | 2230 mm / 87.8 in |
| Overall Width | 840 mm / 33.1 in |
| Overall Height | 1100 mm / 43.3 in |
| Seat Height | 775 mm / 30.5 in |
| Wheelbase | 1500 mm / 59.1 in |
| Ground Clearance | — |
| Dry Weight | 205 kg / 451 lb |
| Wet Weight | 226 kg / 499 lb |
| WHEEL SPECS | |
| Front Tyre | 100/90-19 |
| Rear Tyre | 130/80-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 16.6 Litres / 4.4 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2009 Bonneville took on a 1970s look with short mudguards, upswept megaphone silencers, a lower and narrower seat with a white logo and lightweight 17 in cast wheels. The 865 cc twin uses fuel injection with throttle bodies shaped like carburettors, built to meet Euro 3 rules. It remained the approachable, relaxed entry to the Modern Classic range.
