🏷️ Basic Information

Make:

Triumph

Model:

Speed Triple

Year:

2002

Engine Displacement:

955cc

Vin Code:

T300A (Daytona), T509 (Speed Triple - generally applicable chassis codes for the era, though specific year codes may vary slightly).

👋 Introduction

Segment:

Performance Sportbike (Daytona 955i) and Naked Sportbike (Speed Triple).

Target Audience:

Owners of Triumph Daytona 955i and Speed Triple 955cc motorcycles seeking to perform their own maintenance and repairs, or professional motorcycle technicians.

Competitors:

Honda CBR900RR Fireblade, Yamaha YZF-R1, Suzuki GSX-R750/1000, Kawasaki ZX-9R/10R, Ducati 916/996/998.

Manual Value Proposition:

Provides essential service data to enable owners to perform maintenance and repairs themselves, potentially saving significant costs compared to dealership service.

Affiliate Program:

Offers a 20% commission on affiliate sales with easy-to-use website widgets and full trade bit support, encouraging broad distribution.

📋 Manual Details

Manual Coverage Scope:

Comprehensive service and repair for Triumph Daytona 955i and Speed Triple 955cc models for the 2002 model year.

Page Count:

250

Manual Type:

Service Manual

Language:

English (Assumed based on product description phrasing)

Format:

Instant Download (Digital)

📖 Manual Coverage

Engine Systems:

Engine assembly, disassembly, inspection, lubrication, cooling system, fuel injection system (Triumph's 'TPI' or similar), ignition system, exhaust system, emissions control.

Transmission Drivetrain Systems:

Clutch operation and adjustment, gearbox internal components, final drive (chain and sprockets), lubrication.

Chassis Suspension Systems:

Front fork (telescopic, cartridge type), rear monoshock suspension, swingarm, bearings, linkage systems.

Braking Systems:

Front and rear disc brakes, brake calipers, master cylinders, hydraulic lines, bleeding procedures, pad replacement.

Electrical Systems:

Wiring diagrams, battery, charging system (alternator, regulator/rectifier), starter motor, lighting (headlight, taillight, indicators), ignition switch, instrument cluster, ECU functions, sensor diagnostics.

Fuel System:

Fuel tank, fuel pump, fuel injectors, fuel lines, pressure regulator, evaporative emissions control (if applicable).

Cooling System:

Radiator, cooling fan, coolant hoses, thermostat, coolant type and capacity.

Bodywork Fittings:

Fairings, seat removal, body panel fasteners, tail sections, mirrors, handlebars, control levers.

Routine Maintenance:

Oil and filter change, spark plug replacement, air filter cleaning/replacement, chain adjustment and lubrication, brake fluid checks and replacement, coolant checks and top-up, tire pressure checks.

Troubleshooting:

Diagnostic procedures for common engine issues, electrical faults, starting problems, and performance anomalies.

Repair Overhaul:

Detailed instructions for engine top-end (cylinder head, valve adjustment), gearbox rebuild, brake system overhaul, suspension component replacement, electrical component diagnosis and replacement.

Technical Specifications Data:

Torque values for critical fasteners, electrical specifications (resistance, voltage), fluid capacities, wear limits, timing settings.

Wheel Tire Service:

Tire replacement, wheel balancing, bearing inspection and replacement.

Depth Of Coverage:

Advanced repair and overhaul procedures, suitable for experienced DIY mechanics and professional technicians. Includes detailed diagrams and specifications for internal components.

📊 Manual Specifications

Digital Format:

PDF (Portable Document Format) is the most common format for digital service manuals. Assumed to be high-resolution for clarity of diagrams.

Print Recommendation:

Designed for digital viewing and printing. High-quality diagrams and schematics are crucial for usability.

Binding Type:

N/A (Digital download, no physical binding)

Paper Type:

N/A (Digital download, no physical paper)

⚙️ Engine Specifications

Engine Type:

Liquid-cooled, 12-valve, DOHC, inline three-cylinder.

Bore X Stroke:

71.0 mm x 81.3 mm (Typical for this generation 955cc engine)

Compression Ratio:

11.7:1 (Approximate)

Power Output Hp:

Approx. 115-130 hp (depending on model variant and state of tune)

Torque Nm:

Approx. 95-100 Nm (depending on model variant and state of tune)

Fuel Delivery:

Electronic Fuel Injection (EFI) with multi-point injection.

Fuel Type:

Unleaded gasoline (95 RON minimum recommended)

Ignition Type:

Digital inductive ignition with ECU control.

Oil Type:

SAE 10W-40 or 10W-50, API SG/SH/SJ or JASO MA certified motorcycle oil.

Oil Capacity With Filter:

Approx. 4.0 - 4.5 liters (Check manual for exact specification)

Coolant Type:

Ethylene glycol-based, permanent antifreeze coolant with corrosion inhibitors. Typically a 50/50 mix with distilled water.

🔧 Transmission

Transmission Type:

6-speed sequential gearbox.

Clutch Type:

Wet, multi-plate clutch, hydraulically actuated.

Final Drive:

Chain drive, O-ring sealed.

Gearbox Oil Type:

SAE 75W-90, API GL-4 or GL-5 gear oil.

Gearbox Oil Capacity:

Approx. 1.5 - 2.0 liters (Check manual for exact specification)

📐 Dimensions

Wheelbase Mm:

Approx. 1425 mm (Daytona) / 1430 mm (Speed Triple)

Seat Height Mm:

Approx. 830 mm (Daytona) / 800 mm (Speed Triple)

Dry Weight Kg:

Approx. 185 kg (Daytona) / 190 kg (Speed Triple)

Fuel Tank Capacity Liters:

Approx. 21 liters (Daytona) / 20 liters (Speed Triple)

🛡️ Safety Features

Safety Certification:

Compliant with relevant European (CE) and US (DOT/EPA) safety and emissions standards for motorcycles of its era.

Braking System Performance:

Dual 320mm front discs with four-piston calipers; Single 255mm rear disc with two-piston caliper (Brembo components are common).

Lighting:

Halogen headlight, LED taillight, amber incandescent or LED turn signals.

Frame Construction:

Aluminum twin-spar frame for rigidity and light weight.

Ergonomics:

Aggressive sportbike riding position for Daytona, more upright and comfortable for Speed Triple.

💡 Technology Features

Instrument Cluster:

Analog tachometer and speedometer, digital odometer, trip meters, coolant temperature gauge, and indicator lights. Some models may have basic LCD displays for settings.

ABS:

Anti-lock Braking System (ABS) was typically an optional feature on these models, not standard equipment.

Diagnostics:

On-board diagnostics (OBD) capabilities for engine management via a diagnostic port, allowing for fault code retrieval with appropriate tools.

🔧 Maintenance

Oil Filter Change Interval:

Every 6,000 miles or 12 months, whichever comes first (typical for Triumph of this era).

Spark Plug Replacement Interval:

Every 12,000 miles or 24 months (typical, check manual for specific plug type recommendations).

Valve Clearance Check Interval:

Every 12,000 miles or 24 months (critical for 3-cylinder engines).

Coolant Flush Interval:

Every 24,000 miles or 24 months (typical).

Chain Lubrication Inspection:

Every 600 miles or after riding in wet conditions.

Brake Fluid Type:

DOT 4 hydraulic brake fluid.

Fork Oil Type And Level:

Specific suspension fluid (e.g., Showa SS-01 or equivalent), viscosity and level specified in the manual for fork disassembly.

Stator Failure:

Stator failures were not uncommon on some Triumph models of this era, leading to charging system issues. Regular checks of battery voltage are advised.

Regulator Rectifier Failure:

Similar to stator issues, regulator/rectifier units can fail, impacting battery charging. Symptoms include dim lights or a dead battery.

Fuel Pump Reliability:

Some owners reported issues with the in-tank fuel pump over time. Proper fuel system maintenance is key.

Suspension Leaks:

Front fork seal leaks can occur with age and mileage, requiring seal replacement.

Electrical Connector Corrosion:

Exposure to elements can lead to corrosion in electrical connectors, causing intermittent faults. Regular inspection and application of dielectric grease is beneficial.

📚 Vehicle History

Brand Origin:

Triumph Motorcycles Ltd. is a British motorcycle manufacturer with a long and storied history dating back to 1902.

Daytona Heritage:

The Daytona name has been synonymous with Triumph's sportbike offerings since the 1960s, evolving through various engine configurations and displacements. The 955i represented a significant step forward in performance and technology for Triumph's supersport line.

Speed Triple Heritage:

The Speed Triple, with its distinctive triple-cylinder engine and naked styling, became a flagship model for Triumph in the 1990s, known for its torque and character.

Manufacturing Location:

Hinckley, Leicestershire, England.

Production Years For 955I Era:

The 955cc T509/T595/955i engine platform was produced from the late 1990s through the early 2000s, with the 2002 model year being part of this generation.

🏆 Awards & Recognition

Contemporary Reviews:

These models received generally positive reviews for their performance, handling, and the unique character of the Triumph triple engine. Praised for bridging the gap between pure sportbikes and more versatile performance bikes.

Long Term Reliability:

While generally robust, specific attention to electrical components and regular maintenance as outlined in the service manual is crucial for optimal long-term reliability.