Naked Motorcycles

2008Triumph Bonneville

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The 2008 Triumph Bonneville is a classic air-cooled twin that appeals to riders seeking retro styling with modern reliability. Known for its distinctive British character and manageable 66 horsepower, this 865cc motorcycle excels as an accessible middleweight for enthusiasts valuing heritage and everyday practicality over raw performance.

Capacity: 865.0 ccm
Engine: Parallel Twin, four-stroke
Gearbox: 5-speed
Dry weight: 204.6 kg
Seat height: 775 mm
Power: 66.0 HP (48.5 kW)

⇄ Compare with another bike All model years

What’s new for the 2008 Triumph Bonneville

vs the 2007

Spec	2007	2008
Power	67.0 HP (49.3 kW)	66.0 HP (48.5 kW)
Torque	71.0 Nm (7.2 kgf-m or 52.4 ft.lbs)	52.0 Nm (5.3 kgf-m or 38.4 ft.lbs)

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

Off-road & trail10%

Cornering55%

City riding65%

Daily riding68%

Touring45%

Two-up40%

Track20%

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?

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Your height

Inseam (optional)

Units

At 775mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2008 Triumph Bonneville, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 865.0 ccm
Power: 66.0 HP (48.5 kW)
EPA Certificate No.: 8TDXC.865BAR-003; 8TDXC.865RKM-006
Torque: 52.0 Nm (5.3 kgf-m)
Engine type: Parallel Twin, four-stroke
Power/weight ratio: 0.3226 HP/kg (dry)
Bore x stroke: 90.0 x 68.0 mm
Compression: 9.2:1
Cooling system: Air
Fuel system: Injection
Starting: Electric
Ignition: Digital - inductive type
Aspiration: Naturally aspirated
Valves per cylinder: 4

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet. multi-plate

Dimensions & weight

Wheelbase: 1501 mm
Overall length: 2230 mm
Overall width: 841 mm
Overall height: 1100 mm
Seat height: 775 mm
Dry weight: 204.6 kg
Wet weight: 225.0 kg
Fuel capacity: 16.70 litres
Oil capacity: 4.50 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: 100 mm
Rake (fork angle): 28.0°
Trail: 110 mm

Brakes & wheels

Front brakes: Single disc
Front brakes diameter: 310 mm
Rear brakes: Single disc
Rear brakes diameter: 255 mm
Front tyre: 100/90-19
Rear tyre: 130/80-17

Other

Color options: Aluminium Silver. Fusion White. Claret
Fuel Tank Material: Metal

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	2008	2011	2016
Capacity	744 cc	790 cc	865 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	16.7 L	16.7 L	15.9 L	16 L