Naked Motorcycles
1986Triumph Bonneville
21 fields on record
The 1986 Triumph Bonneville is a classic British sport-tourer that appeals to riders seeking authentic retro styling with practical everyday usability. Powered by an air-cooled 744cc parallel twin engine producing 49 horsepower, it delivers responsive mid-range performance ideal for both commuting and weekend rides. The Bonneville remains best known for its timeless design and reputation as an accessible, manageable middleweight for experienced riders.
- Capacity
- 744.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 192.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 49.0 HP (36.0 kW) @ 6500 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.
Engine
- Capacity
- 744.0 ccm
- Power
- 49.0 HP (36.0 kW) @ 6500 RPM
- Engine type
- Parallel Twin, four-stroke
- Power/weight ratio
- 0.2552 HP/kg (wet)
- Bore x stroke
- 76.0 x 82.0 mm
- Compression
- 7.9:1
- Cooling system
- Air
- Starting
- Electric
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet. multi-plate
Performance
- Top speed
- 161.0 km/h (100.0 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Single disc
- Front tyre
- 100/90-19
- Rear tyre
- 110/90-18
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 | 2007 | 2011 | 2016 |
|---|---|---|---|---|---|
| Capacity | 744 cc | 790 cc | 865 cc | 865 cc | 865 cc |
| Dry weight | — | 205 kg | 205 kg | 206 kg | 209 kg |
| Seat height | — | 775 mm | 775 mm | 739 mm | 740 mm |
| Fuel capacity | 11 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.
Rider Reviews
Common questions
What is the engine size of the Triumph Bonneville?
The 1986 Triumph Bonneville has a Capacity of 744.0 ccm (45.40 cubic inches).
What engine power does the Triumph Bonneville have?
The 1986 Triumph Bonneville has a Power of 49.0 HP (36.0 kW) @ 6500 RPM.
How many gears does the Triumph Bonneville have?
The 1986 Triumph Bonneville has a Gearbox of 5-speed.
How much does the Triumph Bonneville weigh?
The 1986 Triumph Bonneville has a Wet weight of 192.0 kg (423.3 pounds).
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