Triumph Rocket III - 2004 Specifications and Reviews

The 2004 Triumph Rocket III is a cruiser built for riders seeking raw power and distinctive character. Its massive 2.3-liter triple engine delivers 140 horsepower and impressive 200 Nm torque, making it one of the most powerful cruisers available. Best known for its unconventional three-cylinder design and aggressive styling, it appeals to experienced riders wanting something truly unique.

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General information

CategoryCustom / cruiser
Year2004
ModelTriumph Rocket III

Engine and Transmission Specifications

Transmission typefinal driveShaft drive (cardan)
Gearbox5-speed
Cooling systemLiquid
Fuel controlDOHC
Fuel systemInjection
Bore x stroke101.6 x 94.3 mm (4.0 x 3.7 inches)
Compression8.7:1
Torque200.00
Power140.00
Stroke4
Engine typeIn-line three
Capacity:2294.00 ccm (139.98 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,690 mm (66.5 inches)
Overall width880 mm (34.6 inches)
Overall length2,480 mm (97.6 inches)
Overall height1,150 mm (45.3 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-V 16
Front tyre dimensions150/80-V 17
Rear suspensionChromed spring twin shocks with adjustable preload
Front suspension43mm upside down forks
Trail150 mm (5.9 inches)
Rake (fork angle)32.0°
Frame typeTubular steel, twin spine

Speed and acceleration

Power/weight ratio0.4375 HP/kg
0-100 km/h (0-62 mph)2.800 seconds

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsJet Black, Cardinal Red
Fuel capacity25.00 litres (6.61 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

2004 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 2004 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.

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