Segment:
Performance Cruiser Motorcycle
Target Audience:
Enthusiasts seeking a powerful, stylish cruiser with strong performance characteristics, as well as DIY mechanics and professional technicians.
Key Competitors:
Harley-Davidson Fat Boy, Honda VTX1800, Kawasaki Vulcan 2000, Indian Chief.
Vehicle Highlight:
Known for its strong V-twin engine, comfortable riding position, and distinctive styling, offering a blend of cruiser aesthetics and performance.
Manual Value Proposition:
Provides dealership-level diagnostic and repair information, enabling owners to perform comprehensive maintenance and repairs, saving time and money.
Engine Mechanical:
Engine assembly, disassembly, inspection, overhaul, lubrication system, cooling system (air-cooled), fuel system (carburetor and associated systems), ignition system, exhaust system.
Chassis And Suspension:
Frame, front fork, rear suspension (shock absorbers, linkage), swingarm, wheel bearings, steering system, wheel and tire maintenance, brake system (front and rear), clutch system.
Electrical System:
Wiring diagrams, battery, charging system (alternator, regulator/rectifier), ignition system, lighting system (headlight, taillight, signals), starting system (starter motor, starter clutch), instrumentation, horn, fuses, relays.
Routine Maintenance:
Oil and filter changes, air filter cleaning/replacement, spark plug inspection/replacement, chain adjustment and lubrication, brake pad inspection, tire pressure checks.
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting for engine performance, electrical issues, braking problems, and starting difficulties.
Repair And Overhaul:
Detailed step-by-step instructions for engine rebuilding, transmission servicing, suspension component replacement, brake system repair, electrical component replacement, and bodywork adjustments.
Diagnostic Capabilities:
Includes specific test procedures, voltage checks, resistance measurements, and diagnostic codes (if applicable) for electrical components and systems.
Torque Specifications:
Comprehensive list of all critical torque values for engine, chassis, and electrical fasteners.
Special Tools:
Lists and descriptions of specialized tools required for specific maintenance and repair procedures.
File Type:
PDF (Portable Document Format)
Searchability:
Searchable text for quick information retrieval.
Printability:
Printable pages for workshop use.
Image Resolution:
High-resolution diagrams and photographs for clarity.
Diagram Clarity:
Detailed exploded views, wiring diagrams, and schematics.
Binding:
N/A (Digital Format)
Paper Quality:
N/A (Digital Format)
Engine Type:
Air-cooled, 4-stroke, SOHC, V-twin
Displacement:
1670cc (102 cubic inches)
Bore X Stroke:
97.0 mm x 113.0 mm (approximate)
Compression Ratio:
8.4:1 (typical)
Valve Train:
SOHC, 4 valves per cylinder
Horsepower:
Approx. 90 hp @ 4750 rpm (manufacturer claimed)
Torque:
Approx. 100 lb-ft @ 3750 rpm (manufacturer claimed)
Fuel Delivery:
Carburetor (Dual Mikuni 39mm downdraft, throttle position sensor equipped)
Fuel Type:
Unleaded gasoline, 91 octane (or higher) recommended
Oil Type:
Yamalube 4 (or equivalent SAE 20W-40 API SG or higher, JASO MA)
Oil Capacity:
4.2 US qt (4.0 L) with filter change
Safety Standards:
Meets all applicable US EPA and DOT safety standards for motorcycles.
Braking System:
Hydraulic dual disc front brake, Hydraulic single disc rear brake. ABS was not standard on this model.
Lighting:
Halogen headlight, LED taillight, amber incandescent turn signals.
Frame Construction:
Steel double-cradle frame for stability and rider feedback.
Audio System:
No factory-installed infotainment system (audio systems were aftermarket additions).
ABS:
Anti-lock Braking System (ABS) was not a standard or commonly available option for the 2002 model.
Smartphone Integration:
No factory smartphone integration or connectivity features.
Dashboard:
Analog speedometer, tachometer, fuel gauge, odometer, trip meter, indicator lights (turn signals, oil pressure, neutral, high beam).
First Service:
600 miles (1000 km) or 3 months (whichever comes first) - typically includes oil/filter change, chain adjustment, and thorough inspection.
Subsequent Intervals:
Every 3,700 miles (6,000 km) or 6 months for major services, including spark plug replacement, brake fluid flush, and valve clearance checks (as per manual).
Fork Oil:
Yamaha Suspension Fluid 01 or equivalent SAE 10W fork oil
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid
Coolant Type:
N/A (Air-cooled engine)
Common Wear Items:
Belt drive wear, clutch friction plates, front fork seals, brake pads.
Potential Electrical:
Voltage regulator/rectifier issues, starter motor solenoid contact wear.
Manufacturer:
Yamaha Motor Company, a global leader in motorcycles, marine products, and other motorized vehicles.
Road Star Lineage:
The Road Star line was introduced in 1999 as Yamaha's answer to the growing cruiser market, emphasizing classic styling and large-displacement V-twin engines. The Warrior variant, introduced in 2002, added a sportier edge with performance-oriented suspension and braking.
Manufacturing Location:
Japan (primarily) and some assembly in the USA for North American markets.
