🏷️ Basic Information

Make:

Triumph

Model:

Daytona 955i / Speed Triple

Year:

2002

Engine Displacement:

955cc

Chassis Code Daytona:

T595N

Chassis Code Speed Triple:

T509N (though this manual covers the later 955cc iteration)

👋 Introduction

Motorcycle Segment:

Sportbike (Daytona) and Naked Sportbike (Speed Triple)

Target Audience:

Enthusiasts and owners of 2002 Triumph Daytona 955i and Speed Triple models seeking detailed maintenance and repair information.

Competitors 2002:

Honda CBR954RR Fireblade, Yamaha YZF-R1, Suzuki GSX-R750/1000, Ducati 996/998, Aprilia RSV Mille

Daytona 955I Focus:

High-performance sportbike, triple-cylinder engine, advanced chassis for its era.

Speed Triple Focus:

Characterful triple-cylinder engine, aggressive styling, agile handling, versatile for sport riding and street use.

📋 Manual Details

Models Covered:

2002 Triumph Daytona 955i, 2002 Triumph Speed Triple (955cc variants)

Regions Of Operation:

Global (focus on specifications common across markets)

Estimated Pages:

Approximately 400-600 pages (typical for comprehensive service manuals)

Manual Category:

Service and Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Complete engine overhaul, disassembly, assembly, timing, lubrication, cooling system

Fuel System:

Fuel injection system (TPI), throttle bodies, injectors, fuel pump, pressure regulator, EVAP system

Ignition System:

ECU, ignition coils, spark plugs, wiring diagrams

Transmission:

Gearbox, clutch assembly, shift mechanism, maintenance and repair

Suspension:

Front forks (Sachs or Showa depending on specific variant), rear monoshock, adjustments, rebuilds

Brakes:

Front and rear disc brakes, brake calipers (e.g., Nissin), master cylinders, brake lines, fluid specifications and bleeding

Electrical System:

Wiring diagrams, battery, charging system (alternator, regulator/rectifier), lighting, instrumentation, starter motor

Chassis And Frame:

Frame inspection, fork head bearings, swingarm bearings, general chassis integrity

Bodywork:

Fairings, seat, tank, instrumentation panel, removal and installation

Routine Maintenance:

Oil changes, filter replacement, chain lubrication and adjustment, air filter cleaning/replacement, spark plug replacement, brake fluid replacement

Troubleshooting:

Diagnostic flowcharts for common issues, electrical faults, engine performance problems

Repair Procedures:

Step-by-step instructions for component removal, repair, and reinstallation (e.g., engine rebuild, transmission repair, suspension overhaul)

Specifications And Tolerances:

Torque specifications for all fasteners, engine clearances, valve lash adjustments (if applicable)

Wiring Diagrams:

Detailed, color-coded wiring diagrams for all electrical systems

Depth Of Coverage:

Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds. Suitable for professional technicians and advanced DIY mechanics.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Searchability:

Likely text-searchable (if converted from original digital or scanned document with OCR)

Image Resolution:

Variable, but generally sufficient for clear viewing of diagrams and photos.

Binding:

N/A (Digital PDF format)

Paper Quality:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

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

Bore X Stroke:

71.0 mm x 81.3 mm (typical for the 955cc engine)

Compression Ratio:

11.2:1 (typical)

Horsepower Daytona:

Approx. 130-134 hp @ 10,000 rpm (varies slightly by market and tuning)

Horsepower Speed Triple:

Approx. 110-114 hp @ 9,500 rpm (varies slightly by market and tuning)

Torque Daytona:

Approx. 71-73 lb-ft @ 7,500 rpm

Torque Speed Triple:

Approx. 70-72 lb-ft @ 7,000 rpm

Fuel Delivery:

Electronic Fuel Injection (TPI) with sequential multi-point injection

Fuel Type:

Unleaded gasoline, minimum 95 RON / 91 AKI

Fuel Tank Capacity:

Approx. 5.5 US gallons (20-21 liters)

🔧 Transmission

Transmission Type:

6-speed, constant mesh

Optional Transmission:

N/A (All models featured a 6-speed manual)

Clutch Type:

Hydraulically operated, wet, multi-plate clutch

Final Drive:

O-ring sealed chain

📐 Dimensions

Length Daytona:

Approx. 83.5 inches (2120 mm)

Length Speed Triple:

Approx. 83.5 inches (2120 mm)

Width Daytona:

Approx. 29.5 inches (750 mm) at handlebars

Width Speed Triple:

Approx. 30.7 inches (780 mm) at handlebars

Height Daytona:

Approx. 47.2 inches (1200 mm) at seat

Height Speed Triple:

Approx. 47.6 inches (1210 mm) at seat

Dry Weight Daytona:

Approx. 430 lbs (195 kg)

Dry Weight Speed Triple:

Approx. 421 lbs (191 kg)

Wet Weight Daytona:

Approx. 470 lbs (213 kg)

Wet Weight Speed Triple:

Approx. 461 lbs (209 kg)

Ground Clearance:

Approx. 5.5 inches (140 mm)

🛡️ Safety Features

Safety Ratings:

Motorcycles of this era did not have standardized crash test ratings like cars. Safety relies on rider skill and vehicle dynamics.

Braking System:

Dual 320mm front discs with 4-piston calipers, Single 255mm rear disc with 2-piston caliper. ABS was an optional feature on some models.

Lighting:

Halogen headlamp, LED taillight

Frame Construction:

Aluminum twin-spar frame, offering rigidity and rider feedback.

Ergonomics:

Daytona: Aggressive sportbike riding position. Speed Triple: More upright, naked sportbike ergonomics.

💡 Technology Features

Infotainment System:

N/A (Motorcycles of this era typically did not feature advanced infotainment systems beyond basic instrumentation).

Rider Aids:

ABS was an optional feature on some 2002 models. No traction control or other advanced electronic rider aids.

Connectivity Features:

N/A

Instrument Cluster:

Analog tachometer and speedometer, LCD display for odometer, trip meter, fuel gauge, clock, and warning lights.

🔧 Maintenance

Oil Change Interval:

Every 6,000 miles (10,000 km) or 12 months, whichever comes first.

Major Service Interval:

Every 12,000 miles (20,000 km) for valve clearance checks and detailed inspections.

Chain Maintenance:

Lubricate and adjust chain every 1,000 miles (1,600 km) or as needed.

Engine Oil Type:

SAE 10W/40, API SG, JASO MA certified motorcycle-specific oil.

Engine Oil Capacity:

Approx. 4.0-4.2 liters (4.2-4.4 US quarts) with filter change.

Coolant Type:

Ethylene glycol-based antifreeze with corrosion inhibitors, mixed 50/50 with distilled water.

Brake Fluid Type:

DOT 4 hydraulic brake fluid.

Clutch Fluid Type:

DOT 4 hydraulic clutch fluid.

Common Wear Items:

Cam chain tensioner (potential for rattle), regulator/rectifier failure, fuel pump issues, suspension seals, clutch slave cylinder leaks.

Electrical Gremlins:

Corrosion in connectors, especially on earlier models, can lead to intermittent electrical problems.

Engine Maintenance Notes:

Importance of regular oil changes and ensuring the cam chain tensioner is functioning correctly. Regular cleaning of the fuel injectors can also be beneficial.

📚 Vehicle History

Triumph Legacy:

British motorcycle manufacturer with a rich history dating back to 1902, known for its iconic parallel-twins and later, its versatile triple-cylinder engines.

Daytona Lineage:

The Daytona nameplate has a long history with Triumph, evolving from earlier sportbikes. The 955i model represented a significant step in performance and design for the brand's liter-class sportbike.

Speed Triple Lineage:

The Speed Triple is a cornerstone of Triumph's modern lineup, evolving from the earlier T509 model. The 955cc iteration solidified its reputation as a potent and charismatic naked sportbike.

Manufacturing Location:

Hinckley, Leicestershire, United Kingdom

Production Years 955Cc:

The 955cc engine was produced from 1997 through 2004/2005, with various updates and chassis configurations.

🏆 Awards & Recognition

Period Reviews:

Both models were generally well-received by motorcycle press for their powerful triple engines, handling characteristics, and distinct styling. The Speed Triple, in particular, gained a cult following for its character and versatility.

Industry Reputation:

Triumph's 955cc triple engine was praised for its torque delivery and unique sound, setting it apart from inline-fours and V-twins.

Emission Standards:

Compliance with prevailing emission standards for motorcycles of the 2002 model year.