Triumph Rocket III - 2006 Specifications and Reviews

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.

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General information

CategoryCustom / cruiser
Year2006
ModelTriumph Rocket III
 
 

Engine and Transmission Specifications

ClutchWet. multi-plate
Transmission typefinal driveShaft drive (cardan)
Gearbox5-speed
Cooling systemLiquid
StarterElectric
IgnitionDigital - inductive type - via electronic engine management system
Fuel controlDOHC
Fuel systemInjection. Multipoint sequential electronic fuel injection
Bore x stroke101.6 x 94.3 mm (4.0 x 3.7 inches)
Compression8.7:1
Torque200.00
Power142.00
Stroke4
Engine typeIn-line three
Capacity:2294.00 ccm (139.98 cubic inches)

Physical measures and capacities

Wheelbase1,695 mm (66.7 inches)
Overall width970 mm (38.2 inches)
Overall length2,500 mm (98.4 inches)
Overall height1,165 mm (45.9 inches)
Seat height740 mm (29.1 inches) If adjustable, lowest setting.
Dry weight320.0 kg (705.5 pounds)

Triumph Rocket III dimensions and frame

Rear brakes diameter316 mm (12.4 inches)
Rear brakesSingle disc
Front brakes diameter320 mm (12.6 inches)
Front brakesDouble disc
Rear tyre dimensions240/50-R16
Front tyre dimensions150/80-R17
Rear suspensionChromed spring twin shocks with adjustable preload
Front suspension43 mm upside down forks
Trail152 mm (6.0 inches)
Rake (fork angle)32.0°
Frame typeTubular steel. twin spine

Speed and acceleration

Power/weight ratio0.4438 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsScorched Yellow. Jet Black. Cardinal Red. Graphite. Monochromatic Caeruleus Blue. Monochromatic Mulberry Red
Fuel capacity24.00 litres (6.34 gallons)

Performance Profile & Rider Fit

139.5 hp
Peak Power
4.5s
0-60 mph

Best For

Track15%
City35%
Cornering30%
Daily Riding55%
Touring62%
Passenger65%

Rider Profile

Best ForBest suited to experienced riders who are comfortable managing a very heavy, torque-laden machine at low speeds.
PurposeBuilt as a muscle cruiser that delivers massive straight-line thrust and effortless overtaking power rather than nimble cornering.
Rider FitIts 320kg dry weight and low seat height demand strength and confidence at parking-lot speeds, though the low center of gravity helps once rolling.
CharacterA brawny, torque-dominant cruiser whose enormous inline-triple engine defines the riding experience with relentless low-end pull.
Not Ideal ForNot a good fit for riders seeking a lightweight, flickable bike for tight twisties or off-road adventures.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2006 Triumph Rocket III Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 740mm, a rider of 175cm with a 79cm (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.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

Find bikes that fit your height →

⚠ Safety Recalls (2)

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM Sep 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 BAR Mar 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.

Source: NHTSA. View all Triumph recalls →

Rider Reviews

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