Cruisers
2011Triumph Rocket III Roadster
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The 2011 Triumph Rocket III Roadster is a heavyweight cruiser powered by an exceptional 2294cc three-cylinder engine delivering 146 horsepower and massive 221 Nm torque for thrilling acceleration. Its character combines raw British muscle with laid-back cruiser styling, making it ideal for riders seeking commanding presence and exceptional pulling power. Best known for its unique triple-cylinder engine and commanding road presence, it offers modern fuel injection and liquid cooling for reliability.
- Capacity
- 2294.0 ccm
- Engine
- In-line three-cylinder, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 327.0 kg
- Seat height
- 749 mm
- Power
- 146.0 HP (107.4 kW)
What’s new for the 2011 Triumph Rocket III Roadster
vs the 2010| Spec | 2010 | 2011 |
|---|---|---|
| Power | 160.0 HP (117.7 kW) | 146.0 HP (107.4 kW) |
| Dry weight | 320.0 kg (705.5 pounds) | 327.0 kg (720.9 pounds) |
| Wet weight | 357.0 kg (787.0 pounds) | 366.1 kg (807.1 pounds) |
| Front suspension | Kayaba 43mm upside down forks. | Kayaba 43mm upside down forks. 120mm travel |
| Rear suspension | Kayaba black spring twin shocks with 5 position adjustable preload | Kayaba black spring twin shocks with 5 position adjustable preload. 105mm wheel travel |
| Front brakes | Double disc. Nissin 4-piston fixed calipers, Nissin ABS system | Double disc |
| Rear brakes | Single disc. Brembo 2-piston floating caliper, Nissin ABS system | Single disc |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a muscular power-cruiser, it delivers brutal straight-line acceleration and effortless overtaking rather than nimble cornering ability.
- Built for
- The Rocket III Roadster has a dominant, torque-drenched personality that rewards relaxed, throttle-driven riding over aggressive lean-angle attacks.
- Not ideal for
- This is not the right bike for new riders, tight urban commuting, or anyone seeking a light, flickable machine for twisty backroads.
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
- 2294.0 ccm
- Power
- 146.0 HP (107.4 kW)
- EPA Certificate No.
- BTDXC2.30VJM-001
- EPA CO Emissions
- 7.9 CO g/km
- Torque
- 221.0 Nm (22.5 kgf-m) @ 2750 RPM
- Engine type
- In-line three-cylinder, four-stroke
- Power/weight ratio
- 0.4465 HP/kg (dry)
- Bore x stroke
- 101.6 x 94.3 mm
- Compression
- 8.7:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- Digital-inductive type via engine management system
- Aspiration
- Naturally aspirated
- Valves per cylinder
- 4
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Shaft
- Clutch
- Wet. multi-plate
Dimensions & weight
- Wheelbase
- 1694 mm
- Overall length
- 2497 mm
- Overall width
- 970 mm
- Overall height
- 1163 mm
- Seat height
- 749 mm
- Dry weight
- 327.0 kg
- Wet weight
- 366.1 kg
- Fuel capacity
- 23.90 litres
- Oil capacity
- 5.90 litres
Chassis & suspension
- Frame
- Tubular steel. twin spine
- Front suspension
- Kayaba 43mm upside down forks. 120mm travel
- Rear suspension
- Kayaba black spring twin shocks with 5 position adjustable preload. 105mm wheel travel
- Front wheel travel
- 120 mm
- Rear wheel travel
- 105 mm
- Rake (fork angle)
- 32.0°
- Trail
- 148 mm
Brakes & wheels
- Front brakes
- Double disc
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 316 mm
- Front tyre
- 150/80-R17
- Rear tyre
- 240/50-R16
Other
- Color options
- Phantom Black. Matte Black
- 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 | 2010 | 2011 | 2012 | 2015 | 2017 | 2019 |
|---|---|---|---|---|---|---|
| Capacity | 2294 cc | 2294 cc | 2294 cc | 2294 cc | 2294 cc | 2294 cc |
| Dry weight | 320 kg | 327 kg | 327 kg | 334 kg | 334 kg | 334 kg |
| Seat height | 750 mm | 749 mm | 750 mm | 750 mm | 750 mm | 750 mm |
| Fuel capacity | 24 L | 23.9 L | 24 L | 24 L | 24 L | 24 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Triumph Rocket III Roadster?
The 2011 Triumph Rocket III Roadster has a Capacity of 2294.0 ccm (139.99 cubic inches).
What engine power does the Triumph Rocket III Roadster have?
The 2011 Triumph Rocket III Roadster has a Power of 146.0 HP (107.4 kW).
How many gears does the Triumph Rocket III Roadster have?
The 2011 Triumph Rocket III Roadster has a Gearbox of 5-speed.
What is the torque of the Triumph Rocket III Roadster?
The 2011 Triumph Rocket III Roadster has a Torque of 221.0 Nm (22.5 kgf-m or 163.0 ft.lbs) @ 2750 RPM.
How much does the Triumph Rocket III Roadster weigh?
The 2011 Triumph Rocket III Roadster has a Dry weight of 327.0 kg (720.9 pounds).
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