Segment:
Classic British Motorcycle, Retro Styling, Standard/Cruiser Category
Key Competitors:
Harley-Davidson Sportster, Ducati Monster (early models), various Japanese retro bikes.
Engine Layout:
Parallel-twin, air-cooled (common for Bonneville models)
Styling:
Iconic British motorcycle design, timeless appeal.
Manual Purpose:
Empower owners with knowledge for maintenance and repair, extending vehicle life and performance.
Manual Value Proposition:
Comprehensive resource to maintain, diagnose, and repair the Triumph Bonneville 2004, empowering owners to save time and money while ensuring optimal performance and longevity.
Engine Mechanical:
Cylinder Head, Camshafts, Barrels, Pistons, Crankshaft, Rods, Balancers
Transmission:
Clutch, Gearbox internals, Shifting mechanisms
Fuel Exhaust:
Fuel System (Carburetor or early EFI depending on variant), Exhaust System
Lubrication:
Lubrication System, Oil Pump, Oil Cooler (if equipped)
Brakes:
Front and Rear Brake Systems, Hydraulic components, Pad/Shoe Replacement
Suspension:
Front Forks, Rear Shock Absorbers, Swingarm
Final Drive:
Chain drive, Sprockets, Adjustment, Maintenance
Wheels Tires:
Wheel Bearings, Tire Inflation, Replacement recommendations
Frame Bodywork:
Frame structure, Body panels, Seat, Fenders, Fuel Tank
Electrical Ignition:
Ignition System, Charging System (Alternator/Stator, Regulator/Rectifier), Lighting, Starting System, Wiring Diagrams
Maintenance:
Routine checks, Lubrication, Filter replacement, Spark plug replacement, Chain adjustment
Repair Overhaul:
Engine top-end rebuild (head, barrels, pistons), Clutch replacement, Transmission servicing, Suspension component replacement, Brake caliper overhaul
Troubleshooting:
Diagnostic flowcharts for common issues, Symptom-based troubleshooting guides
Wiring Diagrams:
Comprehensive electrical system diagrams for troubleshooting and repair.
Depth:
Comprehensive, covering routine maintenance to complete engine and transmission rebuilds, including detailed diagrams and specifications.
Torque Specifications:
Detailed torque specifications for all critical fasteners.
Clearances Tolerances:
Precise measurements for engine, transmission, and chassis components.
Compatibility:
Adobe PDF Reader (all versions), accessible on Windows, Mac, Smartphones, and Tablets.
Features:
Searchable text, Zoom in/out functionality for detailed viewing.
Download Method:
Instant digital download after purchase.
Printability:
Printable (user-dependent, requires PDF reader with print capabilities)
Binding:
N/A (Digital Product)
Paper:
N/A (Digital Product)
Configuration:
Parallel-Twin, Air-Cooled (Likely 865cc DOHC for this generation, but early 2000s may have variations. Manual will specify exact variant covered.)
Estimated Horsepower:
Approx. 60-70 HP (model dependent)
Estimated Torque:
Approx. 50-55 lb-ft (model dependent)
System Type:
Carburetor (likely Twin 36mm Mikuni VM or CV carbs for early 2004 models) or early Fuel Injection (T.I.S. - Triumph Ignition System, depending on specific sub-model and market)
Bore X Stroke:
Variable, Manual will contain exact specifications.
Compression Ratio:
Variable, Manual will contain exact specifications.
Valve Train:
DOHC, 4 valves per cylinder (likely)
Wheelbase:
Approx. 1490 mm / 58.7 in (model dependent)
Seat Height:
Approx. 740 mm / 29.1 in (model dependent)
Dry Weight:
Approx. 196 kg / 432 lbs (model dependent)
Wet Weight:
Approx. 213 kg / 470 lbs (model dependent)
Fuel Tank Capacity:
Approx. 16 Liters / 4.2 US Gallons (model dependent)
Crash Test Results:
N/A (Motorcycle safety is assessed differently than cars; manual will focus on mechanical integrity and system function.)
Braking System:
Dual Disc Front, Single Disc Rear (Hydraulic, Caliper type specified in manual)
Lighting:
Headlight, Taillight, Turn Signals, Brake Light (electrical system details in manual)
System:
Basic instrumentation: Speedometer, Tachometer, Odometer, Trip Meter, Neutral Indicator, Oil Pressure Light, High Beam Indicator. No modern infotainment systems.
Features:
None (Focus on mechanical and electrical systems for rider control).
Type:
Electronic Ignition (T.I.S. - Triumph Ignition System), likely CDI or similar, with specific timing details provided in the manual.
Oil Change Interval:
Typically every 3,000-5,000 miles or 6 months (refer to manual for exact mileage/time and conditions)
Valve Check Interval:
Typically every 6,000-12,000 miles (refer to manual for exact interval and adjustment procedure)
Chain Lubrication Adjustment:
Every 500 miles or after washing/rain, and adjust as needed.
Engine Oil Type:
High-quality motorcycle specific oil, typically SAE 10W-40 or 20W-50 with JASO MA rating. Manual will specify exact grade and API classification.
Coolant Type:
N/A (Air-cooled engine)
Brake Fluid Type:
DOT 4 (refer to manual for specific recommendations and bleeding procedures)
Common Complaints:
Potential for carburation issues if not maintained, stator failures (less common on later models but possible), minor electrical gremlins, chain wear if not properly maintained.
Carburetor Sync:
Essential for smooth running if equipped with carburetors.
Air Filter Replacement:
Regular replacement is crucial for engine health.
Legacy:
Triumph Motorcycles boasts a long and storied history dating back to 1902, with the Bonneville nameplate being an iconic symbol of British motorcycling.
2004 Generation:
The 2004 Bonneville represents a modern revival of the classic design, featuring updated engineering while retaining its quintessential British character. This period saw the introduction of fuel injection on some variants, though carbureted models were also prevalent.
Manufacturing Location:
Hinckley, Leicestershire, England
