| MODEL | TRIUMPH BONNEVILLE 2003 - 2004 |
| Year | 2003 - 2004 |
| Engine Type | Four-stroke, parallel twin, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 790 cc / 48.2 cu in |
| Bore X Stroke | 86 x 68 mm |
| Compression Ratio | 9.2:1 |
| Cooling System | Air-cooled |
| Max Power | 45.2 kW / 62 hp @ 7400 rpm |
| Max Torque | 60 Nm / 6.1 kgf-m / 44.3 ft-lbf @ 3500 rpm |
| Ignition | Digital |
| Induction | Twin 36 mm carburettors with throttle position sensors and electric heaters |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump, synthetic 15W/50 |
| Gear Box | 5-speed |
| Clutch | Wet multi-plate |
| Final Drive | Chain, O-ring |
| CHASSIS SPECS | |
| Frame | Tubular steel cradle, twin-sided tubular steel swingarm |
| Front Suspension | 41 mm telescopic fork |
| Rear Suspension | Chrome twin shocks, adjustable preload |
| Front Brakes | Single 310 mm disc, 2-piston caliper |
| Rear Brakes | Single 255 mm disc, 2-piston caliper |
| DIMENSION SPECS | |
| Overall Length | 2250 mm / 88.6 in |
| Overall Width | 860 mm / 33.8 in |
| Overall Height | 1105 mm / 43.5 in |
| Seat Height | 775 mm / 30.5 in |
| Wheelbase | 1493 mm / 58.8 in |
| Ground Clearance | — |
| Dry Weight | 205 kg / 451 lb |
| Wet Weight | 226 kg / 499 lb |
| WHEEL SPECS | |
| Front Tyre | 100/90 R19 |
| Rear Tyre | 130/80 R17 |
| FUEL SYSTEM | |
| Fuel Capacity | 16 L / 4.2 US gal / 3.5 Imp gal |
| Fuel Consumption | 4.9 L/100 km / 20.3 km/l / 47.7 US mpg |
| Top Speed | 181 km/h / 112.5 mph |
The 790 cc retro Bonneville in its middle years, little changed from the launch bike. Broad, usable torque, a smooth five-speed gearbox and a low seat make it a friendly roadster rather than a sports bike.
