Segment:
Classic Roadster / Power Cruiser
Key Competitors:
Ducati M900 Monster, Moto Guzzi California, Harley-Davidson Sportster models of the era
Engine Configuration:
Liquid-cooled, 12-valve, DOHC, inline three-cylinder
Design Philosophy:
Emphasis on torque, classic styling with modern performance elements
Applicable Models:
Triumph Thunderbird Sport 900
Applicable Years:
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Type:
Workshop Service Repair Manual
Engine:
Complete overhaul, diagnosis, tuning, component repair (carburetor, ignition, cooling, lubrication)
Transmission:
Disassembly, assembly, inspection, repair, gear selection diagnostics
Chassis:
Frame, swingarm, suspension (front forks, rear shock), steering system, wheel bearings
Electrical System:
Wiring diagrams, charging system, ignition system, lighting, instrumentation, starter system, battery
Fuel System:
Carburetor service and adjustment (Mikuni VM series), fuel pump, fuel lines
Brakes:
Front and rear brake system inspection, service, fluid replacement, caliper and master cylinder repair
Clutch:
Hydraulic clutch system service, slave cylinder, master cylinder, clutch plates inspection and replacement
Exhaust System:
Inspection and replacement of mufflers and pipes
Bodywork:
Fairing removal/installation, seat, fuel tank, fenders, side covers
Maintenance:
Routine maintenance, scheduled servicing, fluid changes, filter replacements, lubrication points
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault finding guides
Repair:
Step-by-step instructions for disassembly, repair, and reassembly of all major vehicle components
Adjustments:
Carburetor synchronization, valve clearance adjustment, chain tension, brake lever travel, clutch engagement
Diagnostics:
Component testing procedures, electrical system diagnostics, engine performance checks
Special Tools:
Identification and usage instructions for required special service tools
Depth:
Comprehensive (from basic maintenance to complete engine rebuilds and electrical system diagnostics)
Illustrations:
Detailed step-by-step procedures with pictorial diagrams, exploded views, and photographs
Engine Type:
Inline three-cylinder, four-stroke
Displacement:
885 cc (54.0 cu in)
Bore X Stroke:
76 mm x 65 mm (3.0 in x 2.6 in)
Valve Train:
DOHC, 12 valves (4 per cylinder)
Cooling System:
Liquid-cooled
Horsepower:
Approximately 95 hp @ 8500 rpm (approximate, exact figures may vary slightly by year)
Torque:
Approximately 74 lb-ft @ 6700 rpm (approximate, exact figures may vary slightly by year)
Fuel Delivery:
Twin constant velocity carburetors (Mikuni CVK36 or similar models)
Fuel Type:
Unleaded gasoline (95 octane recommended)
Oil Type:
SAE 10W/40 or 10W/50 motorcycle specific lubricant (API SG or higher)
Oil Capacity:
Approximately 3.5 liters (3.7 US qt) with filter change
Length:
Approximately 2250 mm (88.6 in)
Width:
Approximately 770 mm (30.3 in)
Height:
Approximately 1240 mm (48.8 in) (seat height varies)
Dry Weight:
Approximately 219 kg (483 lbs)
Wet Weight:
Approximately 240 kg (529 lbs) (estimated with fluids)
Fuel Capacity:
21 liters (5.5 US gal)
Safety Standard:
Meets applicable motorcycle safety standards of its time (no formal crash ratings like cars)
Braking System:
Dual 310 mm discs with 4-piston calipers (front), Single 280 mm disc with 2-piston caliper (rear)
Lighting:
Halogen headlight, LED taillight, standard turn signals
Instrumentation:
Analog speedometer, tachometer, odometer, trip meter, coolant temperature gauge, warning lights (oil pressure, neutral, turn signals, high beam)
ABS:
Not available on this model
Connectivity Features:
None (analog systems typical for the era)
Oil Change Interval:
Every 6,000 miles (10,000 km) or 12 months, whichever comes first
Valve Clearance Check:
Every 12,000 miles (20,000 km)
Chain Maintenance:
Inspect and lubricate chain every 500 miles (800 km) and adjust tension as needed
Brake Fluid:
DOT 4 (glycol-based)
Coolant:
Ethylene glycol-based antifreeze mixture (50/50 with distilled water), recommended type specified in manual.
Clutch Fluid:
DOT 4 (glycol-based)
Common Problems:
Cam chain rattle at startup (often due to wear or tensioner), stator failure, carburetor synchronization issues, potential for regulator/rectifier failure. Maintenance is key to longevity.
Part Numbers:
Manual details specific Triumph part numbers for critical components (e.g., T1100017 for oil filter, T2081234 for stator, T1260025 for ignition coil).
Manufacturer Origin:
United Kingdom
Predecessor:
Triumph Thunderbird (classic models)
Development Focus:
Evolved from the Hinckley Triumph parallel twins, specifically the Adventurer, to offer a sportier, more performance-oriented version of the Thunderbird platform.
Manufacturing Location:
Hinckley, Leicestershire, England
