Target Audience:
Riders seeking maximum displacement and torque in a power cruiser; also appeals to touring riders wanting a muscle bike platform
Segment:
Power cruiser / performance cruiser
Key Advantage:
Largest displacement production motorcycle engine of its era at 2,294 cc, delivering class-leading torque
Main Competitors:
Honda Valkyrie / Rune, Yamaha V Max, Harley-Davidson V-Rod, Ducati Diavel's predecessors
Engine:
2,294 cc liquid-cooled inline three-cylinder
Torque:
Exceptional low-end and midrange torque, among the highest of any production motorcycle
Coverage Areas:
Complete service, repair, overhaul and refurbishment procedures for the 2004 Triumph Rocket
Manual Type:
Factory-style service repair workshop manual
Delivery Method:
Instant digital download - no shipping, no waiting
Usage:
Unlimited access - use as many times as needed
Engine:
Complete teardown, inspection, rebuild and reassembly of the 2,294 cc inline triple
Fuel System:
Fuel injection system, throttle bodies, fuel pump and tank
Cooling System:
Radiator, coolant circuits, thermostat and water pump
Exhaust System:
Header removal, silencer service and torque specifications
Transmission:
5-speed gearbox disassembly, shafts, gears and shift mechanism
Clutch:
Wet multi-plate clutch inspection, replacement and adjustment
Final Drive:
Shaft drive components and rear drive unit service
Electrical System:
Wiring diagrams, charging system, starting system, instruments and lighting
Ignition System:
Ignition modules, sensors and spark plug service
Brakes:
Front twin disc and rear disc hydraulic systems, pad and disc replacement
Suspension:
Front fork service, rear suspension unit and swingarm
Wheels and Tires:
Wheel removal, bearings, balancing and tire fitment
Frame and Bodywork:
Frame inspection, fairing, tank and body panel removal
Scheduled Maintenance:
Full service intervals with step-by-step procedures
Diagnostics:
Fault finding charts for engine, fuel injection and electrical faults
Torque Specifications:
Complete torque values for fasteners throughout the motorcycle
Wiring Diagrams:
Full color-capable wiring schematics
Special Tools:
Tool requirements and alternatives for workshop procedures
Detail Level:
Written for professional technicians, with exploded diagrams and specifications for every assembly
Audience:
Suitable for DIY owners as well as workshop use
Parts Data:
Part numbers and exploded component views to identify correct replacement parts
Fluid Capacities:
Oil, coolant and brake fluid capacities with approved specifications
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Type:
Liquid-cooled, DOHC, 12-valve inline three-cylinder
Bore x Stroke:
101.6 mm x 94.3 mm
Fuel System:
Sequential electronic fuel injection
Maximum Power:
Approximately 140 hp (104 kW) at 6,000 rpm
Maximum Torque:
Approximately 200 Nm (147 lb-ft) at 2,500 rpm
Top Speed:
Electronically unlimited to approximately 140 mph
Crash Test Ratings:
N/A - motorcycles are not crash tested by NCAP agencies
Front Brakes:
Twin 320 mm discs with 4-piston calipers
Rear Brake:
Single 316 mm disc with 2-piston caliper
Lighting:
Multi-reflector headlamp with high/low beam
ABS:
Not fitted on the 2004 model year
Audio System:
N/A - not factory equipped on this model
Fuel Injection:
Sequential electronic fuel injection with throttle position and crank sensors
Digital Instrumentation:
Digital speedometer with LCD information display
Driver Assistance:
N/A - no rider aids fitted on the 2004 model
First Service:
Initial inspection service at 500 miles (800 km)
Regular Service:
Oil and filter change every 6,000 miles (10,000 km) per factory schedule
Valve Clearance Check:
Inspect at major service intervals per factory schedule
Coolant:
Replace at extended intervals per factory schedule
Engine Oil:
SAE 10W-40 or 15W-50 API SH/SG (or higher) motorcycle oil meeting JASO MA
Coolant:
Ethylene glycol-based antifreeze mixed with distilled water
Known Issues / Wear Items
Common Wear Items:
Brake pads, tires, chain-free shaft drive requiring only gear oil checks, spark plugs and air filter
Service Notes:
Check rear drive gear oil level during scheduled maintenance
Manufacturer:
Triumph Motorcycles Ltd, Hinckley, England
Model Evolution:
The Rocket III debuted in 2004 as a modern power cruiser reviving the Triumph Rocket name from the 1960s and set a benchmark with the largest production motorcycle engine of its time
Production Location:
Triumph's Hinckley, UK factory
