Segment:
Cruiser, Power Cruiser
Key Selling Proposition:
Massive engine displacement and torque, distinctive styling, premium cruiser segment.
Competitors:
Primarily other large-displacement cruisers and power cruisers from manufacturers like Harley-Davidson, Yamaha (e.g., V-Max), Honda (e.g., Gold Wing in some aspects of touring), and potentially some American V-twin manufacturers.
Engine Size:
2294cc (the largest production motorcycle engine at its introduction)
Torque Output:
Renowned for exceptionally high torque figures.
Design Philosophy:
To create a motorcycle with immense presence, power, and torque, blending classic cruiser aesthetics with modern engineering.
Engine:
Full engine overhaul, disassembly, assembly, tuning, component testing, lubrication, cooling system.
Transmission:
Gearbox service, clutch operation, shaft and gear inspection, fluid changes.
Fuel System:
Fuel injection system (EFI) diagnostics, component testing, injector service, fuel pump operation, fuel tank maintenance.
Electrical System:
Ignition system, lighting, charging system (alternator, regulator/rectifier), starter motor, battery, wiring diagrams, ECU diagnostics.
Brakes:
Hydraulic brake system servicing, caliper maintenance, master cylinder overhaul, brake fluid replacement, ABS system (if applicable).
Suspension:
Front fork servicing (oil changes, seal replacement), rear shock absorber maintenance, linkage lubrication.
Chassis And Body:
Frame inspection, body panel removal/installation, seat maintenance, fairing components, exhaust system.
Wheels And Tires:
Wheel bearing inspection, tire pressure, tire replacement, wheel balancing.
Cooling System:
Radiator maintenance, coolant replacement, fan operation, thermostat testing.
Exhaust System:
Exhaust manifold torque, muffler inspection, catalytic converter information.
Maintenance:
Scheduled maintenance, fluid changes, filter replacement, spark plug service, brake bleeding, chain adjustment (if applicable, though Rocket III is shaft-driven).
Troubleshooting:
Diagnosis of common problems, fault finding guides, error code interpretation (if applicable), electrical system diagnostics.
Repair:
Detailed step-by-step instructions for component repair, replacement, and overhaul covering all major systems.
Disassembly And Assembly:
Comprehensive instructions for dismantling and reassembling all motorcycle components and systems.
Adjustments:
Carburetor/throttle body synchronization, idle speed adjustment, clutch lever adjustment, brake lever adjustment.
Installation:
Component installation procedures, including torque specifications.
Depth:
Comprehensive, covering everything from basic checks and adjustments to complete engine rebuilds and advanced diagnostics.
Diagnostic Information:
Includes diagnosis, testing procedures, and specification lists.
Pictorial Representation:
Detailed illustrations, exploded diagrams, drawings, and photos.
Special Tools:
Reference to and illustration of required special service tools.
Wear Limits:
Includes specified wear limits for components.
Configuration:
Inline-three cylinder
Displacement:
2294 cc (140 cubic inches)
Bore X Stroke:
101.6 mm x 94.0 mm (approximate, manual will confirm exact figures)
Compression Ratio:
9.7:1 (typical for the era, manual will confirm)
Valve Train:
DOHC, 4 valves per cylinder
Cooling System:
Liquid-cooled
Horsepower:
Approx. 140-150 HP (at crankshaft, manual will provide exact figures and RPM)
Torque:
Approx. 163 lb-ft (221 Nm) (at crankshaft, manual will provide exact figures and RPM)
Fuel Delivery:
Multipoint Sequential Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 95 RON (specified in manual)
Fuel Tank Capacity:
24 liters (approx. 6.3 US gallons, manual will confirm)
Length:
2245 mm (approx. 88.4 inches, manual will confirm)
Width:
810 mm (approx. 31.9 inches, manual will confirm)
Height:
1035 mm (approx. 40.7 inches, manual will confirm)
Dry Weight:
Approx. 320 kg (705 lbs, manual will confirm)
Wet Weight:
Approx. 345 kg (760 lbs, manual will confirm)
Load Capacity:
Details on rider and luggage capacity are provided in the manual.
Crash Test Results:
Motorcycles are not typically subjected to standardized crash testing like cars. Safety aspects will be detailed in terms of handling, braking, and stability.
Braking System:
Dual front discs with four-piston calipers, single rear disc with twin-piston caliper. ABS was often an option or standard on later models.
Lighting:
Halogen headlights, LED taillight (depending on specific year/trim).
Frame Construction:
Tubular steel frame designed for stability and handling.
Ergonomics:
Cruiser riding position, designed for comfort on longer rides, but also capable of spirited riding.
Audio System:
Not typically equipped with integrated infotainment systems on models from this era. Accessories might have been available.
Instrumentation:
Analog tachometer and speedometer, digital display for odometer, trip meters, clock, and basic warning lights. Some models may have had more advanced digital displays.
ABS:
Anti-lock Braking System (ABS) was often an optional or standard feature, depending on the specific model year and market.
Bluetooth:
Not generally available on models from this period.
Oil Change Interval:
Typically 6,000 miles (10,000 km) or 12 months, whichever comes first (manual will confirm exact figure).
Major Service Interval:
Major services, including valve checks and spark plug replacements, are usually at 12,000 miles (20,000 km) intervals (manual will confirm).
Engine Oil Type:
Full synthetic motorcycle oil, SAE 10W-40 or 10W-50 (confirm API classification and JASO MA/MA2 rating in manual).
Coolant Type:
Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Specific Triumph-approved coolant is recommended.
Brake Fluid Type:
DOT 4 hydraulic brake fluid.
Fork Oil Type:
Specific viscosity fork oil (e.g., Showa SS-04 or equivalent), manual will specify.
Common Complaints:
While generally robust, specific model years or individual bikes might experience issues like regulator/rectifier failures, minor electrical gremlins, or clutch slave cylinder leaks. The manual is crucial for diagnosing and rectifying these.
Maintenance Importance:
Adherence to the periodic maintenance chart and using specified lubricants and parts is vital for reliability and longevity.