2008Triumph Bonneville T100

★ 4.7

43 fields on record

The 2008 Triumph Bonneville T100 is a classic air-cooled twin that appeals to riders seeking authentic retro styling with modern reliability. Its 865cc engine delivers smooth, accessible power ideal for both commuting and weekend rides. Known for its timeless design and balanced performance, it suits riders who value character and heritage over raw speed.

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)

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What’s new for the 2008 Triumph Bonneville T100

vs the 2007

Spec	2007	2008
Power	67.0 HP (49.3 kW)	66.0 HP (48.5 kW)

Other years 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail15%

Cornering65%

City riding72%

Daily riding75%

Touring55%

Two-up55%

Track25%

Best for: Built primarily as a classic-styled roadster for relaxed commuting, weekend rides, and casual cruising rather than outright performance.
Built for: Offers a timeless, retro British roadster feel with smooth, torquey power delivery and easygoing, confidence-inspiring manners.
Not ideal for: Not the right choice for riders seeking aggressive sportbike speed, track-day performance, or 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?

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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 T100, 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 →

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Full specifications

Engine

Capacity: 865.0 ccm
Power: 66.0 HP (48.5 kW)
EPA Certificate No.: 8TDXC.865BAR-003; 8TDXC.865RKM-006
Torque: 70.5 Nm (7.2 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: 230.0 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: 106 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: Jet Black/FusionWhite., Jet Black/Tornado Red. Claret/Aluminum Silver. Forest Green/New England White
Fuel Tank Material: Metal

Specs last verified against published sources: October 2026.

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	2004	2008	2010	2015	2021	2026
Capacity	790 cc	865 cc	865 cc	865 cc	900 cc	900 cc
Dry weight	205 kg	205 kg	205 kg	205 kg	213 kg	—
Seat height	775 mm	775 mm	775 mm	775 mm	790 mm	790 mm
Fuel capacity	16 L	16.7 L	16 L	15.9 L	14.5 L	—