Segment:
Performance Sportbike (Daytona) and Naked Sportbike (Speed Triple)
Target Audience:
Triumph motorcycle owners and independent repair shops
Competitors 2002:
Yamaha YZF-R1, Suzuki GSX-R1000, Honda CBR954RR, Kawasaki ZX-9R, Ducati 996 (for Daytona); Yamaha FZS1000 Fazer, Suzuki Bandit 1200, Honda CB900F Hornet (for Speed Triple)
Engine Architecture:
Liquid-cooled, inline three-cylinder
Document Value:
Essential for owners seeking to perform their own maintenance or understand complex repairs, saving on dealer service costs
Engine Mechanical:
Complete overhaul, cylinder head, pistons, crankshaft, valve train, lubrication system, cooling system
Engine Management:
Fuel injection system, ignition system, ECU diagnostics, sensor testing, throttle position sensor (TPS) calibration
Transmission:
Gearbox disassembly, inspection, reassembly, shift mechanism, clutch operation
Chassis Suspension:
Front forks (Sachs/Marzocchi depending on specific variant), rear shock absorber, swingarm, steering head bearings
Brakes:
Front and rear brake systems (Tokico calipers), hydraulic lines, master cylinders, bleeding procedures, pad replacement
Electrical System:
Wiring diagrams, lighting, battery, charging system (alternator, regulator/rectifier), starter motor, fuse box, instrument cluster
Fuel System:
Fuel tank, fuel pump, fuel filter, fuel lines, injectors
Exhaust System:
Exhaust headers, catalytic converter, muffler replacement
Bodywork And Trim:
Fairing removal and installation, seat, tank covers, tail section
Routine Maintenance:
Oil and filter changes, air filter replacement, spark plug replacement, chain adjustment, brake fluid flush, coolant flush
Troubleshooting:
Step-by-step diagnostic flowcharts for common problems (e.g., starting issues, poor running, electrical faults)
Repair Procedures:
Detailed, illustrated instructions for component removal, repair, and reinstallation
Technical Specifications:
Torque values, clearances, fluid capacities, electrical resistance values
Special Tools:
Identification and use of Triumph-specific or recommended special tools
Depth:
Comprehensive (from basic maintenance to full engine and gearbox rebuilds)
Diagnostic Capabilities:
Detailed diagnostic procedures for engine management and electrical systems, including sensor data interpretation (where applicable via diagnostic tools)
Special Instructions:
Specific procedures for Triumph models, including break-in procedures and component adjustments
Type:
DOHC, 12-valve, inline three-cylinder
Displacement:
955 cc (58.0 cu in)
Bore X Stroke:
74.0 mm x 74.0 mm
Compression Ratio:
11.2:1
Horsepower Claimed:
Approximately 117 hp (87 kW) at 9,750 rpm (Daytona), 110 hp (82 kW) at 9,500 rpm (Speed Triple)
Torque Claimed:
Approximately 71 lb-ft (96 Nm) at 7,500 rpm (Daytona), 69 lb-ft (94 Nm) at 7,500 rpm (Speed Triple)
Induction:
Fuel Injection (Sequential Multi-point) with Electronic Ignition
Fuel Type:
Unleaded gasoline, minimum 95 RON
Type:
Liquid-cooled, closed-loop with fan
Oil Type Recommendation:
SAE 10W-40, API SG or higher, JASO MA certified motorcycle oil
Wheelbase:
Approx. 1425 mm (56.1 in) for Daytona, 1429 mm (56.3 in) for Speed Triple
Dry Weight:
Approx. 197 kg (434 lbs) for Daytona, 188 kg (414 lbs) for Speed Triple
Wet Weight Approx:
Approx. 215 kg (474 lbs) for Daytona, 205 kg (452 lbs) for Speed Triple (with fluids)
Tank Capacity:
Approx. 20 liters (5.3 US gal) for Daytona, 18 liters (4.8 US gal) for Speed Triple
Safety Certification:
CE compliant (European standards), relevant local certifications as applicable
Braking System:
Dual 320mm discs with 4-piston calipers (front), Single 255mm disc with 2-piston caliper (rear)
Lighting:
Halogen headlight, LED tail light, indicator lights
Frame Construction:
Aluminum twin-spar backbone frame
Ergonomics:
Sportbike (Daytona) vs. upright (Speed Triple) riding positions impact rider control
Initial Service:
Typically 600 miles (1000 km) - includes oil and filter change, chain check, general inspection.
Regular Service:
Every 6,000 miles (10,000 km) or annually, whichever comes first (includes oil, filter, chain, brakes, tires, coolant, general inspection). Valve clearance checks typically at 12,000 miles (20,000 km).
Engine Oil Capacity:
Approx. 3.4 liters (3.6 US qt) with filter change.
Coolant Type:
Ethylene glycol based coolant, typically 50/50 mix with distilled water. Capacity approx. 1.8 liters.
Clutch Fluid Type:
DOT 4 (shared with brake system)
Potential Issues 2002:
Regulator/rectifier failure (common on many Triumphs of this era), occasional fuel pump issues, potential for stator failure, sometimes inconsistent idle on older models if TPS or injectors need cleaning/adjustment.
Manual Guidance On Issues:
The manual provides diagnostic procedures for troubleshooting these common electrical and fuel system issues.
Heritage:
Triumph Motorcycles Ltd. is a British manufacturer with a long history dating back to 1902, known for its innovative engine designs and sporting heritage.
Daytona Evolution:
The Daytona 955i is an evolution of Triumph's earlier sportbikes, featuring the distinctive triple-cylinder engine, refined chassis, and improved aerodynamics for increased performance and handling.
Speed Triple Evolution:
The Speed Triple is a naked sportbike derived from the Daytona lineage, known for its aggressive styling, powerful triple engine, and agile handling, representing a modern interpretation of the classic British roadster.
Manufacturing Location:
Hinckley, Leicestershire, England
