Naked Motorcycles
2023Triumph Bonneville T120 Gold Line
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The 2023 Triumph Bonneville T120 Gold Line is a classic 1200cc twin-cylinder motorcycle that appeals to riders seeking authentic retro styling with modern reliability. Its 79 horsepower and strong mid-range torque deliver effortless cruising and comfortable everyday riding. Best known for blending timeless British motorcycle heritage with contemporary technology and fuel injection efficiency.
- Capacity
- 1200.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 235.9 kg
- Seat height
- 790 mm
- Power
- 79.1 HP (57.8 kW) @ 6550 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for relaxed cruising, weekend rides, and stylish commuting rather than outright speed or track work.
- Built for
- A retro-styled, torque-friendly parallel twin that delivers smooth, unhurried power with genuine classic Bonneville charm.
- Not ideal for
- Not suited to riders seeking sharp sport handling, high top-end power, 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 usRange and running costs
Worked out in your browser - nothing is sent to usBased on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 1200.0 ccm
- Power
- 79.1 HP (57.8 kW) @ 6550 RPM
- CO2 Emissions
- 109 CO2 g/km
- Torque
- 105.0 Nm (10.7 kgf-m) @ 3500 RPM
- Engine type
- Parallel Twin, four-stroke
- Fuel consumption
- 4.70 litres/100 km (21.3 km/l)
- Power/weight ratio
- 0.3353 HP/kg (wet)
- Bore x stroke
- 97.6 x 80.0 mm
- Compression
- 10.0:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Valves per cylinder
- 4
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Clutch
- Wet, multi-plate torque assist clutch
Dimensions & weight
- Wheelbase
- 1450 mm
- Overall length
- 2230 mm
- Overall width
- 780 mm
- Overall height
- 1100 mm
- Seat height
- 790 mm
- Wet weight
- 235.9 kg
- Fuel capacity
- 14.50 litres
- Oil capacity
- 4.50 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Tubular steel, with twin cradles
- Front suspension
- 41mm cartridge forks
- Rear suspension
- Twin RSU’s, with pre-load adjustment
- Front wheel travel
- 120 mm
- Rear wheel travel
- 120 mm
- Rake (fork angle)
- 25.5°
- Trail
- 105 mm
Brakes & wheels
- Front brakes
- Single disc. ABS. Brembo 2-piston floating caliper
- Front brakes diameter
- 310 mm
- Rear brakes
- Single disc. ABS. Nissin 2-piston floating caliper
- ABS
- Yes
- Front tyre
- 100/90-18
- Rear tyre
- 150/70-R17
Other
- Color options
- Silver Ice/Competition Green/Gold
- Warranty
- 24
- Comments
- Ride-by-wire throttle with switchable traction control. 2 riding modes Road and Rain. Cruise control.
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 | 2022 | 2023 | 2024 |
|---|---|---|---|
| Capacity | 1200 cc | 1200 cc | 1200 cc |
| Seat height | 790 mm | 790 mm | 790 mm |
| Fuel capacity | 14.5 L | 14.5 L | 14.5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Safety Recalls
⚠ 3 recalls may applyELECTRICAL 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.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISCMar 2023 · 23V146000
Triumph Motorcycles America, Ltd. (Triumph) is recalling certain 2023 Bonneville T120 and Bonneville T120 Black motorcycles. The left-hand side (LHS) brake disc may be improperly secured and can detach.
Risk: The detachment of the LHS brake disc can reduce brake performance, increasing the risk of a crash.
Remedy: Dealers will install a replacement damper and also replace the disc bolts, free of charge. Owner notification letters were mailed March 24, 2023. Owners may contact Triumph's customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 606.
These recalls cover some 2023 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.
Source: NHTSA. View all Triumph recalls →
Rider Reviews
Common questions
What is the engine size of the Triumph Bonneville T120 Gold Line?
The 2023 Triumph Bonneville T120 Gold Line has a Capacity of 1200.0 ccm (73.23 cubic inches).
What engine power does the Triumph Bonneville T120 Gold Line have?
The 2023 Triumph Bonneville T120 Gold Line has a Power of 79.1 HP (57.8 kW) @ 6550 RPM.
How many gears does the Triumph Bonneville T120 Gold Line have?
The 2023 Triumph Bonneville T120 Gold Line has a Gearbox of 6-speed.
What is the torque of the Triumph Bonneville T120 Gold Line?
The 2023 Triumph Bonneville T120 Gold Line has a Torque of 105.0 Nm (10.7 kgf-m or 77.4 ft.lbs) @ 3500 RPM.
How much does the Triumph Bonneville T120 Gold Line weigh?
The 2023 Triumph Bonneville T120 Gold Line has a Wet weight of 235.9 kg (520.1 pounds).
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The 2023 Triumph Bonneville T120 Gold Line is a stunning addition to Triumph's lineup, featuring a beautiful gold and black color scheme that is sure to turn heads. This limited edition motorcycle pays homage to the iconic Bonneville with its classic styling and modern performance. The T120 Gold Line is equipped with a powerful 1200cc parallel-twin engine, delivering smooth and responsive power for an exhilarating ride. With its high-quality components and attention to detail, the T120 Gold Line offers a luxurious and refined riding experience for motorcycle enthusiasts.
In addition to its eye-catching appearance, the 2023 Triumph Bonneville T120 Gold Line offers advanced technology and comfort features, making it a versatile and enjoyable motorcycle to ride. The T120 Gold Line is equipped with ride-by-wire throttle, ABS, traction control, and multiple riding modes for enhanced performance and safety. Its comfortable seating position and premium suspension provide a smooth and enjoyable ride, whether cruising on the highway or navigating through the city streets. Overall, the 2023 Triumph Bonneville T120 Gold Line is a captivating and high-performing motorcycle that is sure to impress riders with its combination of classic style and modern capabilities.
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