Segment:
Sport Touring Motorcycle
Target Audience:
Owners seeking comprehensive DIY maintenance, repair, and performance tuning information.
Competitors:
Honda VFR800, Yamaha FZR1000/R1, Suzuki GSX-R1100/Hayabusa (indirectly), Ducati ST series.
Key Differentiators:
Triumph's distinctive triple engine character, sportbike-derived chassis, comfortable yet capable touring ergonomics.
Vehicle Strengths:
Versatile performance for both sport riding and long-distance touring, refined handling, strong engine torque.
Manual Value Proposition:
Empowers owners to maintain their motorcycle to factory standards, diagnose and fix issues, and potentially increase longevity and resale value.
Engine Systems:
Engine overhaul, top-end rebuild, bottom-end assembly, lubrication system, cooling system, fuel injection system (TPI), ignition system, emissions control.
Transmission Systems:
Gearbox inspection, clutch operation and adjustment, gear shift mechanism, final drive (chain/sprockets).
Chassis Systems:
Frame inspection, front suspension (forks), rear suspension (monoshock, linkage), steering system, wheel bearings, brake systems (front and rear calipers, discs, master cylinders, fluid lines), ABS (if equipped).
Electrical Systems:
Wiring diagrams, lighting system, starter system, charging system (alternator, regulator/rectifier), battery, ECU (Engine Control Unit), sensors, instrumentation, fault diagnosis codes.
Bodywork And Trim:
Fairing removal and installation, seat, fuel tank, body panels, fasteners.
Maintenance Procedures:
Oil and filter change, air filter replacement, spark plug replacement, coolant flush and fill, brake fluid change, chain lubrication and adjustment, valve clearance checks.
Troubleshooting Procedures:
Diagnostic flowcharts, common problem identification and solutions, error code interpretation.
Repair Procedures:
Complete engine teardown and reassembly, transmission component replacement, suspension fork seal replacement, brake caliper overhaul, electrical component testing and replacement.
Installation Procedures:
Correct torque specifications for all fasteners, component alignment guides, critical step-by-step instructions.
Diagnostic Capability:
Advanced, including ECU diagnostics, sensor testing, and wiring harness troubleshooting.
Rebuild Capability:
Comprehensive, covering complete engine, gearbox, and suspension overhauls.
Torque Specifications:
Detailed torque values for all critical fasteners across all systems.
Special Tool Requirements:
Identification of required specialized tools for specific repair procedures.
Engine Type:
Inline 3-cylinder, 4-stroke
Displacement:
955 cc (58.3 cu in)
Bore X Stroke:
74.0 mm x 74.0 mm (typical for this era, confirm specific manual data)
Valve Train:
DOHC, 4 valves per cylinder
Cooling System:
Liquid-cooled
Horsepower:
Approx. 107-110 bhp @ 9,200 rpm (depending on specific tune for ST/RS)
Torque:
Approx. 70-73 lb-ft @ 7,000 rpm (depending on specific tune for ST/RS)
Fuel Delivery:
Electronic Fuel Injection (TPI)
Fuel Type:
Unleaded gasoline (95 RON recommended)
Engine Oil Type:
API SG/SH/SJ or JASO MA rated 10W-40 or 10W-50 motorcycle specific
Oil Capacity:
Approx. 3.5 - 4.0 liters (with filter change), confirm in manual.
Length:
Approx. 2120 mm (83.5 in) (ST)
Width:
Approx. 770 mm (30.3 in) (ST)
Height:
Approx. 1240 mm (48.8 in) (ST)
Wheelbase:
Approx. 1470 mm (57.9 in)
Dry Weight:
Approx. 205 kg (452 lbs) (ST)
Wet Weight:
Approx. 225 kg (496 lbs) (ST, with fluids)
Fuel Tank Capacity:
20 liters (5.3 US gal)
Safety Certification:
N/A (Motorcycle, typically meets relevant national/international standards)
Braking System:
Hydraulic disc brakes front and rear. ABS optional on some models/markets.
Front Brake:
Dual 320mm discs, 4-piston calipers (radial mount on later versions)
Rear Brake:
Single 255mm disc, 2-piston caliper
Lighting:
Halogen headlights, LED taillight (on many models).
Frame Construction:
Aluminum twin-spar frame for rigidity and light weight.
Infotainment System:
N/A (Basic instrumentation typical for the era)
Instrumentation:
Analog tachometer, digital speedometer, odometer, trip meter, engine temperature gauge, fuel gauge, warning lights.
ABS Availability:
Optional on some variants/markets for 2002 models.
Oil Change Interval:
Every 6,000 miles (10,000 km) or 12 months, whichever comes first. (Confirm specific interval in manual)
Major Service Interval:
Typically around 12,000-24,000 miles (20,000-40,000 km) for valve clearance checks, coolant, brake fluid, etc. (Confirm in manual)
Chain Adjustment Interval:
Check and lubricate every 500-750 miles (800-1200 km).
Coolant Type:
Ethylene glycol-based coolant, 50/50 mix with distilled water. (Confirm specific Triumph coolant specification)
Brake Fluid Type:
DOT 4 hydraulic fluid.
Common Wear Items:
Regulator/rectifier (can overheat and fail), wheel bearings, clutch slave cylinder seals, swingarm bearings.
Engine Specific Notes:
Ensure proper cooling system maintenance to prevent overheating. Regular valve clearance checks are important for smooth running. Some early 955s had potential cam chain tensioner issues, though later models and fixes address this.
Electrical Notes:
Corrosion in connectors, particularly around the battery and main loom, can cause intermittent issues. Battery health is crucial.
Brand Origin:
United Kingdom, established 1902.
Heritage Focus:
Known for parallel-twins, triples, and inline-fours with a blend of sport and classic character.
Predecessor Model:
Triumph T509 (Speed Triple/Daytona base)
Evolution Overview:
The 955cc triple was an evolution of Triumph's signature engine, offering increased displacement and performance. The Sprint ST (Sport Touring) and RS (Sport) shared much of their platform, with the RS offering a slightly more aggressive stance and often different suspension/brake setups.
Production Period:
The 955cc engine, and thus this generation of Sprint, was produced roughly from 1997 through 2004.
Manufacturing Location:
Hinckley, Leicestershire, United Kingdom.
Motorcycle Awards:
While specific awards for the 2002 model year are not prominently documented, the Triumph triple engine generally received acclaim for its unique character and performance across its model range.
Critical Reception:
Generally praised for its blend of sport and touring capabilities, comfortable riding position, and the distinctive torque of its triple engine. The Sprint ST was considered a strong contender in the sport-touring segment.
Emissions Standards:
Designed to meet prevailing emissions standards for its model year.
