Naked Motorcycles
2009Triumph Bonneville 50th
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The 2009 Triumph Bonneville 50th is a classic middleweight twin designed for riders seeking retro styling with modern reliability. Its 865cc air-cooled engine delivers smooth, accessible power ideal for both commuting and weekend rides. Known for authentic British character and timeless design, it appeals to purists who value heritage and straightforward performance.
- Capacity
- 865.0 ccm
- Engine
- Parallel Twin
- Gearbox
- 5-speed
- Dry weight
- 203.0 kg
- Seat height
- 751 mm
- Power
- 67.1 HP (49.4 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a classic-styled all-rounder for relaxed street riding, commuting, and weekend cruising rather than outright performance.
- Built for
- A timeless, air-cooled parallel-twin roadster that rewards smooth, unhurried riding with classic looks and easy-going manners.
- Not ideal for
- Not the right choice for riders seeking sharp sport performance, long-distance touring comfort, or any serious 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
- 865.0 ccm
- Power
- 67.1 HP (49.4 kW)
- Torque
- 69.0 Nm (7.0 kgf-m)
- Engine type
- Parallel Twin
- Power/weight ratio
- 0.3305 HP/kg (dry)
- Bore x stroke
- 90.0 x 68.0 mm
- Cooling system
- Air
- Fuel system
- Injection
- Starting
- Electric
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet. multi-plate
Dimensions & weight
- Wheelbase
- 1500 mm
- Overall length
- 2144 mm
- Overall height
- 1100 mm
- Seat height
- 751 mm
- Dry weight
- 203.0 kg
- Fuel capacity
- 16.00 litres
Chassis & suspension
- Frame
- Tubular steel cradle
- Front suspension
- 41mm forks. 120mm travel
- Rear suspension
- Chromed spring twin shocks with adjustable preload. 100mm rear wheel travel
- Rake (fork angle)
- 27.0°
- Trail
- 106 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 310 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 255 mm
- Front tyre
- 100/70-R17
- Rear tyre
- 130/80-R17
Other
- Color options
- Light blue/orange
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Triumph Bonneville 50th?
The 2009 Triumph Bonneville 50th has a Capacity of 865.0 ccm (52.79 cubic inches).
What engine power does the Triumph Bonneville 50th have?
The 2009 Triumph Bonneville 50th has a Power of 67.1 HP (49.4 kW).
How many gears does the Triumph Bonneville 50th have?
The 2009 Triumph Bonneville 50th has a Gearbox of 5-speed.
What is the torque of the Triumph Bonneville 50th?
The 2009 Triumph Bonneville 50th has a Torque of 69.0 Nm (7.0 kgf-m or 50.9 ft.lbs).
How much does the Triumph Bonneville 50th weigh?
The 2009 Triumph Bonneville 50th has a Dry weight of 203.0 kg (447.5 pounds).
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