2005Triumph Bonneville T100

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The 2005 Triumph Bonneville T 100 is a classic air-cooled twin that appeals to riders seeking authentic retro styling with manageable performance. Its 790cc engine delivers 64 horsepower and 68 Nm of torque, making it approachable for intermediate riders while maintaining the character that made the original Bonneville legendary. Best known for combining timeless British design with modern reliability and fuel-injected convenience.

Capacity: 790.0 ccm
Engine: Parallel Twin, four-stroke
Gearbox: 5-speed
Dry weight: 205.0 kg
Seat height: 775 mm
Power: 64.0 HP (47.1 kW)

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What’s new for the 2005 Triumph Bonneville T100

vs the 2004

Spec	2004	2005
Power	61.0 HP (44.9 kW)	64.0 HP (47.1 kW)
Torque	60.0 Nm (6.1 kgf-m or 44.3 ft.lbs)	68.0 Nm (6.9 kgf-m or 50.2 ft.lbs) @ 6000 RPM
Fuel capacity	16.00 litres (4.23 US gallons)	16.60 litres (4.39 US gallons)
Front brakes	Single disc	Single disc. 2-piston calipers
Rear brakes	Single disc	Single disc. 2-piston calipers

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%

Cornering50%

City riding60%

Daily riding65%

Touring52%

Two-up45%

Track20%

Best for: Built for relaxed retro-styled riding, weekend cruising, and everyday commuting rather than outright performance.
Built for: Delivers an air-cooled, carbureted classic charm with predictable, easygoing handling and a soulful parallel-twin feel.
Not ideal for: Not the right choice for riders seeking track-level speed, aggressive cornering ability, or genuine 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 2005 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: 790.0 ccm
Power: 64.0 HP (47.1 kW)
Torque: 68.0 Nm (6.9 kgf-m) @ 6000 RPM
Engine type: Parallel Twin, four-stroke
Power/weight ratio: 0.3122 HP/kg (dry)
Bore x stroke: 90.0 x 68.0 mm
Compression: 9.2:1
Cooling system: Air
Fuel system: Carburettor
Starting: Electric
Ignition: Digital - inductive type

Transmission

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

Dimensions & weight

Wheelbase: 1500 mm
Overall length: 2230 mm
Overall width: 840 mm
Overall height: 1105 mm
Seat height: 775 mm
Dry weight: 205.0 kg
Fuel capacity: 16.60 litres

Chassis & suspension

Frame: Tubular steel cradle
Front suspension: 41mm forks
Rear suspension: Chromed spring twin shocks with adjustable preloads
Rake (fork angle): 28.0°

Brakes & wheels

Front brakes: Single disc. 2-piston calipers
Front brakes diameter: 310 mm
Rear brakes: Single disc. 2-piston calipers
Rear brakes diameter: 255 mm
Front tyre: 100/90-19
Rear tyre: 130/80-17

Other

Color options: Jet Black/White, White/Tangerine

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	2005	2010	2015	2021	2026
Capacity	790 cc	790 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	16.6 L	16 L	15.9 L	14.5 L	—