Naked Motorcycles
2009Triumph Bonneville T100
43 fields on record
The 2009 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, predictable power ideal for commuting and casual riding. Best known for capturing the spirit of Triumph's legendary Bonneville heritage while offering user-friendly performance and timeless design.
- Capacity
- 865.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 205.0 kg
- Seat height
- 775 mm
- Power
- 68.0 HP (50.0 kW)
What’s new for the 2009 Triumph Bonneville T100
vs the 2008| Spec | 2008 | 2009 |
|---|---|---|
| Power | 66.0 HP (48.5 kW) | 68.0 HP (50.0 kW) |
| Torque | 52.0 Nm (5.3 kgf-m or 38.4 ft.lbs) | 69.0 Nm (7.0 kgf-m or 50.9 ft.lbs) @ 5800 RPM |
| Dry weight | 204.6 kg (451.1 pounds) | 205.0 kg (451.9 pounds) |
| Fuel capacity | 16.70 litres (4.41 US gallons) | 16.00 litres (4.23 US gallons) |
| Front suspension | 41mm forks | 41mm forks. 120mm travel |
| Rear suspension | Chromed spring twin shocks with adjustable preload | Chromed spring twin shocks with adjustable preload 106mm rear wheel travel |
| Wheelbase | 1501 mm (59.1 inches) | 1500 mm (59.1 inches) |
Other years
2004
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- 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?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 865.0 ccm
- Power
- 68.0 HP (50.0 kW)
- EPA Certificate No.
- 9TDXC.865RKM-005
- EPA CO Emissions
- 1.9 CO g/km
- Torque
- 69.0 Nm (7.0 kgf-m) @ 5800 RPM
- Engine type
- Parallel Twin, four-stroke
- Power/weight ratio
- 0.3317 HP/kg
- 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
- 1500 mm
- Overall length
- 2230 mm
- Overall width
- 740 mm
- Overall height
- 1100 mm
- Seat height
- 775 mm
- Dry weight
- 205.0 kg
- Wet weight
- 230.0 kg
- Fuel capacity
- 16.00 litres
- Oil capacity
- 4.50 litres
Chassis & suspension
- Front suspension
- 41mm forks. 120mm travel
- Rear suspension
- Chromed spring twin shocks with adjustable preload 106mm rear wheel travel
- 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-R17
Other
- Color options
- Forest Green/New England White, Jet Black/Fusion White, Claret/Aluminium Silver
- Fuel Tank Material
- M
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 | 2009 | 2010 | 2016 | 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 L | 16 L | 15.9 L | 14.5 L | — |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Safety Recalls
⚠ 2 open recallsELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATORFeb 2026 · 26V078000
Triumph Motorcycles America, Ltd. is recalling certain 2022-2024 Bonneville T100, Bonneville T120, Bonneville T120 Black, 2024 Bonneville T120 DGR, 2022 Street Twin, Street Scrambler, Street Twin Goldline, Street Scrambler Sandstor, 2023-2024 Speed Twin 900, and Scrambler 900 motorcycles. The wiring between the alternator and main harness connector may short circuit and overheat.
Risk: Overheated wiring increases the risk of a crash or fire.
Remedy: Dealers will replace the current 2-piece connector body with a single in-line crimped connector solution for each of the three wires from the alternator assembly, free of charge. Owner notification letters were mailed March 19, 2026. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 641. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov February 18, 2026. Motorcycles included in this recall that were previously repaired under recall 24V785 will need to have the new remedy performed.
ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLESOct 2024 · 24V785000
Triumph Motorcycles America, Ltd. (Triumph) is recalling certain 2022-2024 Bonneville T100, T120, T120 Black, 2022 Triumph Street Scrambler, Street Scrambler Sandstorm, Street Twin, Street Twin Goldline, 2023-2024 Scrambler 900, and Speed Twin 900 motorcycles. The wiring between the alternator and main harness connector may short circuit and overheat.
Risk: Overheated wiring increases the risk of a fire or crash.
Remedy: Dealers will install a new wire alignment clip, free of charge. Owner notification letters were mailed November 18, 2024. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 627.
Source: NHTSA. View all Triumph recalls →
Rider Reviews
Common questions
What is the engine size of the Triumph Bonneville T100?
The 2009 Triumph Bonneville T100 has a Capacity of 865.0 ccm (52.79 cubic inches).
What engine power does the Triumph Bonneville T100 have?
The 2009 Triumph Bonneville T100 has a Power of 68.0 HP (50.0 kW).
How many gears does the Triumph Bonneville T100 have?
The 2009 Triumph Bonneville T100 has a Gearbox of 5-speed.
What is the torque of the Triumph Bonneville T100?
The 2009 Triumph Bonneville T100 has a Torque of 69.0 Nm (7.0 kgf-m or 50.9 ft.lbs) @ 5800 RPM.
How much does the Triumph Bonneville T100 weigh?
The 2009 Triumph Bonneville T100 has a Dry weight of 205.0 kg (451.9 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.