Triumph Rocket III: history, specs, pictures

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Triumph Rocket III
Production 2004 - 2009
Class Touring
4-stroke liquid-cooled, DOHC, in-line 3-cylinder
Bore / Stroke 101.6mm x 101.6mm
Compression ratio 8.7:1
Horsepower 140.0 HP (104.4 KW) @ 6000RPM
Torque 146.78 ft/lbs (199.0 Nm) @ 2500RPM
Fuel System Multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies
Air Filter K&N TB-2204 `04-16[1]
Ignition digital - inductive type - via electronic engine management system
Spark Plug NGK DPR8EA-9 '04-07
Battery YUASA YTX20L-BS '04-07
Transmission Gear box: 5-speed

Final Drive: shaft

Clutch: wet, multiplate
Suspension Front: 43mm upside down forks
Rear: Chromed spring twin shocks with adjustable preload
Brakes Front: Twin 320mm floating discs, 4 piston calipers
Rear: Single 316mm disc, 2 piston caliper
Front Tire 150/80 R17
Rear Tire 240/50 R16
Wheelbase 66.69 inches (1694 mm)
Length 98.39 inches (2499 mm)
Width 38.19 inches (970 mm)
Height 45.87 inches (1165 mm)
Seat Height 29.09 inches (739 mm)
Weight 705.48 pounds (320.0 Kg) (dry), 319.0 kg (wet)
Fuel Capacity 6.34 Gallon (24.00 Liters)
Manuals Service Manual

The Triumph Rocket III was a 4-stroke liquid-cooled, DOHC, in-line 3-cylinder Touring motorcycle produced by Triumph between 2004 and 2009. Max torque was 146.78 ft/lbs (199.0 Nm) @ 2500 RPM. Claimed horsepower was 140.0 HP (104.4 KW) @ 6000 RPM.

History[edit | edit source]

The Triumph Rocket III is a British motorcycle made by the Hinckley Triumph factory and has the largest displacement engine of any mass production motorcycle in the world (as of September 2008[update]), at 2,294 cc (140.0 cu in). The shaft driven Rocket III produces 200 N·m (150 ft·lbf) @ 2,500 rpm and 140 bhp (100 kW) @ 6,000 rpm. Despite its size and weight of 704 lb (319 kg) dry, it is described as having good balance and "light and easy steering" even at low speeds.

Engine[edit | edit source]

The engine was a liquid cooled 4-stroke liquid-cooled, DOHC, in-line 3-cylinder. A 101.6mm bore x 101.6mm stroke result in a displacement of just 2294.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive[edit | edit source]

The bike has a 5-speed transmission. Power was moderated via the wet, multiplate.

Chassis[edit | edit source]

It came with a 150/80 R17 front tire and a 240/50 R16 rear tire. Stopping was achieved via Twin 320mm floating discs, 4 piston calipers in the front and a Single 316mm disc, 2 piston caliper in the rear. The front suspension was a 43mm upside down forks while the rear was equipped with a Chromed spring twin shocks with adjustable preload. The Rocket III was fitted with a 6.34 Gallon (24.00 Liters) fuel tank. The bike weighed just 705.48 pounds (320.0 Kg). The wheelbase was 66.69 inches (1694 mm) long.

2004 Triumph Rocket III[edit | edit source]

The Triumph Rocket III is the first-ever production motorcycle to break the 2-liter barrier: its 3-cylinder mill packs 2294cc and is capable to deliver insane torque right off idle, with immense passing power in any gear, at any speed.

Rocket III also has a removable pillion seat, and is therefore easy to transform into a beast for solo riding. The 2003 Rocket III sports the front brakes of the Daytona 955i, a superbike created for track-worthy performance. And with a 25-liter tank, touring is also going to be a top-notch experience.

2005 Triumph Rocket III[edit | edit source]

Powerful, low and menacing, the 2004 Rocket III is Triumph's way to tell you the game is over. This muscle bike is no toy for beginners, and neither is it a machine for the faint of heart: with immense torque right off idle and incredible passing power in any gear at any speed, the Rocket III is built for riding fast and riding hard.

The biggest-displacement production bike in the world, this Triumph has a class of its own and only a handful of other two-wheelers can dream of rivaling it.

2006 Triumph Rocket III[edit | edit source]

Looking for a bike to put the others on the road to bitter shame when it comes to accelerating in any gear, at any speed? Looking for a bike with a breathtaking thrust to have adrenaline rushing through your brain each time you twist the throttle? It's then time to hop on the 2005 Triumph Rocket III and start churning the asphalt.

The biggest-displacement production motorcycle around, the Rocket III is a commanding muscle bike created for those who can handle beastly machines. With immense torque right off idle and exceptional maneuverability on any roads, from highways to twisties, the 2005 Rocket III is the ultimate powercruiser experience.

2007 Triumph Rocket III[edit | edit source]

A bike in a class of its own, the 2006 Triumph Rocket III is the biggest displacement production motorcycle, a power cruiser for those who need extreme machinery to quench their everyday thirst for adrenaline. With immense torque right off idle, the Rocket III has plenty of passing power in any gear, at any speed, with seemingly infinite might ready for anything.

Such nerve needed matching stopping power, so Brembo developed special brakes, using dual 320mm rotors in the front and a 316mm one in the rear. The 2006 Rocket III is not a toy for beginning riders, however alluring it may be.

2008 Triumph Rocket III[edit | edit source]

The 2007 Triumph Rocket III remains faithful to the initial philosophy: to be the world's biggest displacement production motorcycle, while offering sizzling, uncompromised performance for the discerning, experienced rider. Created with power AND rideability in mind, the 2007 Rocket III is a power cruiser with a very good turning radius and is rather compact.

This makes is great or city riding, as well, especially since most of the max torque is readily available in the low-rev range. Compact and loaded with exceptional stopping power from the special Brembo-developed brakes, the Rocket III is ready to take on anyone, on any roads.

2009 Triumph Rocket III[edit | edit source]

The 2008 Rocket III carries on the muscle bike heritage of the series and brings in the same zero-compromise craftsmanship and high -grade technology which made so many riders sell their cruisers and go Rocket. The biggest production engine of all, the mill at the heart of the 2008 Rocket III is ready ot provide blistering thrust at the slightest twist of the throttle, with endless power and torque on tap for easy passing and aggressive riding.

Videos[edit | edit source]

In Media[edit | edit source]

References[edit | edit source]

  1. 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.