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Cruisers

2006Triumph Rocket III

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The 2006 Triumph Rocket III is a massive custom cruiser that appeals to riders seeking raw power and distinctive character. Its massive 2294cc three-cylinder engine delivers 142 horsepower and exceptional 200 Nm torque, making it the largest production cruiser of its era. Best known for its unique triple-cylinder engine and commanding presence, it suits confident riders who appreciate unconventional performance.

Capacity
2294.0 ccm
Engine
In-line three-cylinder
Gearbox
5-speed
Dry weight
320.0 kg
Seat height
740 mm
Power
142.0 HP (104.4 kW)
⇄ Compare with another bike + Add to garage All model years ⚠ Recalls listed (2)

What’s new for the 2006 Triumph Rocket III

vs the 2005
Spec20052006
Fuel capacity 24.50 litres (6.47 US gallons) 24.00 litres (6.34 US gallons)
Front suspension 43mm upside down forks 43 mm upside down forks
Front brakes Single disc Double disc
Other years 2004 2005 2006 2007 2008 2009

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 75Agility 27Comfort 70Off-road 5Touring 60Road manners 68
Off-road & trail5%
Cornering30%
City riding35%
Daily riding55%
Touring62%
Two-up65%
Track15%
Best for
Built as a muscle cruiser that delivers massive straight-line thrust and effortless overtaking power rather than nimble cornering.
Built for
A brawny, torque-dominant cruiser whose enormous inline-triple engine defines the riding experience with relentless low-end pull.
Not ideal for
Not a good fit for riders seeking a lightweight, flickable bike for tight twisties or off-road adventures.

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 us
At 740mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2006 Triumph Rocket III, with a cramped knee angle of around 80 degrees and an upright 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 750 mm or under — Short Kings →

Find bikes that fit your height →

Full specifications

Engine
Capacity
2294.0 ccm
Power
142.0 HP (104.4 kW)
Torque
200.0 Nm (20.4 kgf-m)
Engine type
In-line three-cylinder
Power/weight ratio
0.4438 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 electronic engine management system
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Shaft
Clutch
Wet. multi-plate
Dimensions & weight
Wheelbase
1695 mm
Overall length
2500 mm
Overall width
970 mm
Overall height
1165 mm
Seat height
740 mm
Dry weight
320.0 kg
Fuel capacity
24.00 litres
Chassis & suspension
Frame
Tubular steel. twin spine
Front suspension
43 mm upside down forks
Rear suspension
Chromed spring twin shocks with adjustable preload
Rake (fork angle)
32.0°
Trail
152 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
Scorched Yellow. Jet Black. Cardinal Red. Graphite. Monochromatic Caeruleus Blue. Monochromatic Mulberry Red

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 200420052006200720082009
Capacity 2294 cc 2294 cc 2294 cc 2294 cc 2294 cc 2294 cc
Dry weight 320 kg 320 kg 320 kg 319 kg 319 kg 320 kg
Seat height 740 mm 740 mm 740 mm 740 mm 739 mm 740 mm
Fuel capacity 25 L 24.5 L 24 L 23.8 L 23.8 L 24 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Safety Recalls

⚠ 2 recalls may apply
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEMSep 2007 · 07V455000

ON CERTAIN MOTORCYCLES, WHEN THE ENGINE IS RETURNING TO IDLE IT MAY STALL.

Risk: IF THE MOTORCYCLE STALLS, THE RIDER WILL HAVE TO RESTART THE ENGINE INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL INSPECT AND DOWNLOAD NEW ENGINE MANAGEMENT SOFTWARE FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 17, 2007. OWNERS MAY CONTACT TRIUMPH AT 678-854-2010.

STEERING: STEERING WHEEL/HANDLE BARMar 2006 · 06V063000

ON CERTAIN MOTORCYCLES, THE HANDLE BAR CLAMP BOLTS WERE NOT SUFFICIENTLY TIGHTENED.

Risk: THE HANDLE BARS COULD LOOSEN WHICH COULD RESULT IN A CRASH OR PERSONAL INJURY.

Remedy: DEALERS WILL INSPECT THE TORQUE OF THE CLAMP BOLTS AND TIGHTEN IF NECESSARY. THE RECALL BEGAN ON MARCH 16, 2006. OWNERS MAY CONTACT TRIUMPH AT 1-678-854-2010.

These recalls cover some 2006 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 →

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Common questions

What is the engine size of the Triumph Rocket III?

The 2006 Triumph Rocket III has a Capacity of 2294.0 ccm (139.99 cubic inches).

What engine power does the Triumph Rocket III have?

The 2006 Triumph Rocket III has a Power of 142.0 HP (104.4 kW).

How many gears does the Triumph Rocket III have?

The 2006 Triumph Rocket III has a Gearbox of 5-speed.

What is the torque of the Triumph Rocket III?

The 2006 Triumph Rocket III has a Torque of 200.0 Nm (20.4 kgf-m or 147.5 ft.lbs).

How much does the Triumph Rocket III weigh?

The 2006 Triumph Rocket III has a Dry weight of 320.0 kg (705.5 pounds).

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