Naked Motorcycles
2004Triumph Bonneville
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The 2004 Triumph Bonneville is a classic air-cooled parallel twin that appeals to riders seeking authentic retro styling with modern reliability. Known for its lightweight 790cc engine delivering smooth mid-range torque and nimble handling, it excels as an accessible middleweight for both experienced riders and enthusiasts returning to motorcycling.
- Capacity
- 790.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 205.0 kg
- Seat height
- 775 mm
- Power
- 61.0 HP (44.9 kW) @ 7400 RPM
What’s new for the 2004 Triumph Bonneville
vs the 2003| Spec | 2003 | 2004 |
|---|---|---|
| Power | 62.0 HP (45.6 kW) @ 7400 RPM | 61.0 HP (44.9 kW) @ 7400 RPM |
Other years
1986
1987
1988
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Best suited to relaxed street riding, café-racer style cruising, and short scenic rides rather than outright performance.
- Built for
- A classic-styled retro roadster that prioritizes timeless looks, mellow torque, and easygoing manners over speed or sharpness.
- Not ideal for
- Not a good fit for riders wanting high-speed touring, aggressive cornering performance, or any off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 790.0 ccm
- Power
- 61.0 HP (44.9 kW) @ 7400 RPM
- Torque
- 60.0 Nm (6.1 kgf-m)
- Engine type
- Parallel Twin, four-stroke
- Power/weight ratio
- 0.2976 HP/kg (dry)
- Bore x stroke
- 86.0 x 68.0 mm
- Compression
- 9.2:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- Digital - inductive type
- Valves per cylinder
- 4
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet. multi-plate
Dimensions & weight
- Wheelbase
- 1493 mm
- Overall length
- 2250 mm
- Overall width
- 860 mm
- Overall height
- 1105 mm
- Seat height
- 775 mm
- Dry weight
- 205.0 kg
- Wet weight
- 226.0 kg
- Fuel capacity
- 16.00 litres
Chassis & suspension
- Frame
- Tubular steel cradle
- Front suspension
- 41mm forks
- Rear suspension
- Chromed spring twin shocks with adjustable preload
- Front wheel travel
- 120 mm
- Rear wheel travel
- 105 mm
- Rake (fork angle)
- 28.0°
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 310 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 255 mm
- Front tyre
- 100/90-R 19
- Rear tyre
- 130/80-R 17
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1986 | 2002 | 2004 | 2007 | 2011 | 2016 |
|---|---|---|---|---|---|---|
| Capacity | 744 cc | 790 cc | 790 cc | 865 cc | 865 cc | 865 cc |
| Dry weight | — | 205 kg | 205 kg | 205 kg | 206 kg | 209 kg |
| Seat height | — | 775 mm | 775 mm | 775 mm | 739 mm | 740 mm |
| Fuel capacity | 11 L | 16 L | 16 L | 16.7 L | 15.9 L | 16 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Safety Recalls
⚠ 1 recall may applySUSPENSION:REAROct 2004 · 04V496000
ON CERTAIN MOTORCYCLES, THERE MAY BE A POOR WELD ON THE REAR SUSPENSION UNIT BODY.
Risk: FAILURE OF THE REAR SUSPENSION UNIT MAY COMPROMISE THE STABILITY OF THE MOTORCYCLE WHICH COULD RESULT IN A CRASH.
Remedy: DEALERS WILL REPLACE THE REAR SUSPENSION UNITS. THE RECALL BEGAN ON DECEMBER 20, 2004. OWNERS SHOULD CONTACT TRIUMPH AT 1-678-854-2010.
These recalls cover some 2004 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.
Source: NHTSA. View all Triumph recalls →
Rider Reviews
Common questions
What is the engine size of the Triumph Bonneville?
The 2004 Triumph Bonneville has a Capacity of 790.0 ccm (48.21 cubic inches).
What engine power does the Triumph Bonneville have?
The 2004 Triumph Bonneville has a Power of 61.0 HP (44.9 kW) @ 7400 RPM.
How many gears does the Triumph Bonneville have?
The 2004 Triumph Bonneville has a Gearbox of 5-speed.
What is the torque of the Triumph Bonneville?
The 2004 Triumph Bonneville has a Torque of 60.0 Nm (6.1 kgf-m or 44.3 ft.lbs).
How much does the Triumph Bonneville weigh?
The 2004 Triumph Bonneville has a Dry weight of 205.0 kg (451.9 pounds).
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