Segment:
Cruiser Motorcycle
Target Audience:
Enthusiasts, owners seeking to perform maintenance and repairs, independent repair shops.
Competitors:
Honda Shadow series, Suzuki Boulevard S40/S50, Kawasaki Vulcan series, Harley-Davidson Sportster.
Vehicle Selling Points:
Comfortable riding posture, reliable V-twin engine, classic styling, approachable performance for cruiser segment.
Benefit To Owner:
Empowers owners to maintain and repair their motorcycle, saving on labor costs and ensuring proper operation.
Engine:
Detailed diagnosis, overhaul, tuning, and component testing for the V-twin engine.
Fuel System:
Fuel injection system (EFI) operation, diagnosis, component replacement (injectors, fuel pump, sensors), throttle body maintenance.
Transmission:
Clutch operation, gear shifting mechanisms, transmission overhaul, fluid changes, troubleshooting.
Electrical System:
Wiring diagrams, battery, charging system (alternator/stator), ignition system, lighting, starting system, electronic control unit (ECU) diagnosis.
Brakes:
Front and rear brake system maintenance, caliper service, master cylinder overhaul, bleeding procedures, disc inspection.
Suspension:
Front fork (telescopic) disassembly, inspection, oil replacement, seal replacement. Rear shock absorber adjustment and replacement.
Chassis And Frame:
Frame inspection, steering head bearing service, wheel bearing maintenance, swingarm lubrication and inspection.
Bodywork And Trim:
Fairing removal and installation, fender service, seat maintenance, fuel tank removal and installation, accessory mounting.
Scheduled Maintenance:
Detailed oil changes, filter replacements, spark plug service, chain/belt adjustment (if applicable), fluid checks.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides.
Repair And Rebuild:
Step-by-step instructions for complete disassembly and reassembly of major components.
Inspections:
Visual inspections of critical components, wear limits, and tolerances.
Adjustments:
Carburetor synchronization (if applicable), clutch lever free play, throttle cable slack, brake lever adjustments.
Diagnostic Capabilities:
Advanced diagnostic procedures, including sensor testing, ECU reading, and fault code interpretation.
Component Specs:
Torque specifications, clearances, wear limits, and critical measurements for all major components.
Rebuild Instructions:
Comprehensive instructions for overhauling engines, transmissions, and other complex assemblies.
Electrical Schematics:
Detailed and accurate wiring diagrams for all electrical systems.
Engine Type:
Air-cooled, 4-stroke, SOHC, 4-valve, V-twin
Displacement:
942cc (57.5 cubic inches)
Bore X Stroke:
95.0 mm x 66.0 mm (3.74 in x 2.60 in)
Fueling:
Electronic Fuel Injection (EFI) with Twin-Axis Roller R&D
Ignition:
TCI (Transistor Controlled Ignition)
Horsepower:
Approx. 50.5 HP @ 5,500 RPM (claimed)
Torque:
Approx. 57.5 lb-ft @ 3,750 RPM (claimed)
Fuel Tank Capacity:
4.8 US gallons (18.2 L)
Instrumentation:
Analog speedometer, LCD display for odometer, trip meter, fuel gauge, clock, and indicator lights.
ABS:
Available as an option on select models/years; crucial to confirm if the manual covers ABS systems.
Diagnostic Port:
OBD-II or proprietary diagnostic connector for electronic fault code retrieval.
Engine Oil Change:
Every 4,000 miles or 6 months (check manual for specific recommendation).
Air Filter Inspection:
Every 4,000 miles or 6 months.
Spark Plug Replacement:
Every 12,000 miles (check manual for exact type and gap).
Brake Fluid Change:
Every 2 years or as needed (DOT 4 recommended).
Engine Oil:
Yamalube 4 (10W-40) or equivalent API SG or higher, JASO MA certified motorcycle oil.
Engine Oil Capacity:
2.6 US qt (2.5 L) without filter change, 2.8 US qt (2.7 L) with filter change (verify in manual).
Brake Fluid:
DOT 4 specification.
Transmission Oil:
Gear oil (specific viscosity to be confirmed in manual, typically 80W-90).
Common Wear Items:
Brake pads, tires, clutch plates (with high mileage), fork seals (potential for leaks).
Potential Problems:
EFI sensor issues (rare but possible), belt drive tension adjustment (critical for longevity).
Manufacturer:
Yamaha Motor Company, a globally recognized leader in motorcycle manufacturing with a long history of innovation and performance.
Development Context:
The V Star 950 was introduced to offer a mid-sized cruiser with a torquey V-twin engine, blending modern technology with classic styling, positioned to compete in the popular cruiser market.
Production Period:
The specified manual covers the initial production years from 2009 to 2013.
