Target Audience:
Yamaha V Star 650 owners seeking to perform their own maintenance and repairs, saving on labor costs
Value Proposition:
Provides in-depth technical guidance that rivals factory service manuals, empowering owners with knowledge
Usability:
Designed for ease of use, breaking down complex procedures into manageable steps
Content Focus:
Emphasis on practical, actionable repair advice and preventative maintenance
Engine:
Detailed disassembly, assembly, troubleshooting, and diagnostics of the V-twin engine
Transmission:
Inspection, maintenance, and repair of the transmission and clutch system
Fuel System:
Carburetor service, fuel tank, fuel pump, and fuel lines
Electrical System:
Ignition system, charging system, lighting, starter, battery, and wiring diagrams
Brakes:
Front and rear brake system inspection, service, and component replacement
Suspension And Steering:
Front fork, rear shock absorbers, steering head bearings, and linkage
Frame And Bodywork:
Frame inspection, body panel removal/installation, and accessory mounting
Exhaust System:
Inspection and replacement of exhaust components
Scheduled Maintenance:
Detailed maintenance schedules, lubrication points, and filter replacement procedures
Troubleshooting:
Systematic diagnostic procedures for common and uncommon problems
Rebuilds:
Complete engine and transmission rebuild procedures with torque specifications
Adjustments:
Valve clearance, clutch, throttle cable, and brake lever adjustments
Wiring Diagrams:
Complete and detailed electrical system wiring schematics
Depth:
Professional-grade, suitable for DIY enthusiasts and professional technicians
Diagnostics:
In-depth troubleshooting guides with symptom-based analysis
Specifications:
Extensive torque values, clearances, fluid capacities, and electrical resistances
Type:
Air-cooled, 4-stroke, SOHC, V-twin
Displacement:
649 cc (39.6 cu. in.)
Bore X Stroke:
76.0 mm x 71.0 mm (approx.)
Compression Ratio:
9.0:1 (typical)
Cooling System:
Forced air-cooled
Horsepower:
Approx. 40-45 HP @ 6,600 RPM (varies slightly by model year)
Torque:
Approx. 37-40 lb-ft @ 3,300 RPM (varies slightly by model year)
Carburetion:
Dual Mikuni constant velocity carburetors (e.g., Mikuni BSR34)
Fuel Delivery:
Gravity feed from fuel tank via vacuum-operated fuel petcock
System:
Wet sump lubrication
System:
Transistor Controlled Ignition (TCI)
Type:
Constant mesh, 5-speed sequential manual
Clutch:
Wet, multiple disc clutch, cable-actuated
Ratios:
Specific ratios available in manual, e.g., 1st: 2.400, 2nd: 1.647, 3rd: 1.333, 4th: 1.115, 5th: 0.966
Ratings:
N/A (Motorcycle safety ratings are typically performance-based, not crash test analogous)
Braking System:
Hydraulic disc front brake, drum rear brake (standard); some later models or variants may have rear disc options
Lighting:
Halogen headlamp, taillight, turn signals
Oil Change:
Every 3,000-5,000 miles or 6 months, whichever comes first
Air Filter Cleaning:
Inspect every 3,000 miles, clean or replace as needed
Spark Plug Replacement:
Every 10,000-15,000 miles
Valve Clearance Adjustment:
Every 15,000-20,000 miles
Engine Oil:
Yamalube 4 (or equivalent) SAE 20W-40 API SG or higher
Engine Oil Capacity:
3.2 L (3.4 US qt) with filter change
Fork Oil:
Yamaha Fork Oil 10W (or equivalent)
Fork Oil Capacity:
Approx. 385 ml (13.0 US fl oz) per fork leg
Common Problems:
Carburetor synchronization drift, occasional starter clutch issues, front fork seal leaks, drive shaft seal leaks
Preventative Maintenance:
Regularly check and adjust carburetors, inspect drive shaft for leaks and lubrication, maintain fork seals
Manufacturer:
Yamaha Motor Corporation, a division of Yamaha Corporation, known for musical instruments and audio equipment as well as motorcycles
Lineage:
Part of Yamaha's cruiser lineup, designed to offer classic styling and V-twin performance
Development:
Built upon Yamaha's experience with V-twin engines, offering a balance of style, comfort, and reliable performance
Manufacturing Location:
Primarily Japan
