Segment:
        
        
            Lightweight scooter, urban mobility.
        
     
    
        
            Target Audience:
        
        
            Commuters, urban riders, DIY enthusiasts seeking to maintain or repair their Yamaha Vino 125.
        
     
    
    
        
            Competitors:
        
        
            Honda Metropolitan, SYM Fiddle, Kymco Agility.
        
     
    
    
        
            Vehicle Strengths:
        
        
            Fuel efficiency, maneuverability, classic styling, reliability.
        
     
    
        
            Manual Value:
        
        
            Provides essential technical data and procedures for effective maintenance and repair, saving on professional service costs.
        
     
 
    
    
    
        
            Engine Systems:
        
        
            Engine removal/installation, disassembly, inspection, assembly, lubrication, cooling system, fuel system (carburetor tuning, fuel pump), exhaust system, starting system, ignition system, emission control system.
        
     
    
        
            Chassis Systems:
        
        
            Frame, front suspension (forks, steering), rear suspension (shock absorbers, swingarm), wheels and tires, brake system (front and rear drums, hydraulic lines, bleeding), clutch operation.
        
     
    
        
            Electrical Systems:
        
        
            Wiring diagram, battery, charging system (stator, rectifier/regulator), lighting system (headlight, taillight, indicators), ignition system components, horn, starter motor, switches, sensors.
        
     
    
    
        
            Maintenance:
        
        
            Routine checks, oil changes, filter replacements, spark plug service, brake adjustments, valve clearance adjustment, belt inspection/replacement.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic flowcharts for common starting, running, and electrical issues; symptom-based troubleshooting guides.
        
     
    
        
            Repair Rebuild:
        
        
            Detailed step-by-step instructions for component disassembly, repair, and reassembly of major systems.
        
     
    
    
        
            Depth Level:
        
        
            Comprehensive from basic user maintenance to advanced engine and electrical diagnostics and repair.
        
     
 
    
    
    
        
            Engine Type:
        
        
            4-stroke, SOHC, 2-valve, Air-cooled
        
     
    
    
        
            Bore X Stroke:
        
        
            54.0 mm x 53.4 mm
        
     
    
    
    
        
            Horsepower:
        
        
            Approximately 8-9 HP (estimated, specific figures vary)
        
     
    
        
            Torque:
        
        
            Approximately 7-8 lb-ft (estimated, specific figures vary)
        
     
    
    
        
            Fuel Delivery:
        
        
            Carburetor (likely a Keihin CV type)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline (91 octane or higher recommended)
        
     
    
    
        
            Ignition Type:
        
        
            CDI (Capacitor Discharge Ignition)
        
     
    
    
        
            Oil Type:
        
        
            SAE 10W-40 API SE or SF (check manual for exact spec)
        
     
    
        
            Oil Capacity:
        
        
            Approximately 0.8-0.9 Liters (check manual for exact spec)
        
     
 
    
    
    
        
            Safety Certification:
        
        
            Meets DOT standards (US) / ECE standards (Europe) where applicable.
        
     
    
    
        
            Braking System:
        
        
            Front drum brake, Rear drum brake.
        
     
    
    
        
            Lighting:
        
        
            Halogen headlight, LED taillight, turn signals.
        
     
 
    
    
    
        
            Initial Service:
        
        
            First service at 600 miles (1,000 km) or 6 months, whichever comes first.
        
     
    
        
            Regular Service:
        
        
            Every 2,000 miles (3,000 km) or 12 months thereafter (includes oil change, filter inspection, spark plug check, brake adjustment, etc.).
        
     
    
        
            Valve Adjustment:
        
        
            Every 4,000 miles (6,000 km) or 24 months.
        
     
    
    
        
            Engine Oil Grade:
        
        
            SAE 10W-40 API SE or SF
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 (check manual for specific recommendation)
        
     
    
    
        
            Common Wear Items:
        
        
            CVT belt wear, brake shoe wear, carburetor jet clogging due to fuel quality or storage.
        
     
    
        
            Potential Problems:
        
        
            Starting issues due to battery or charging system; carburetor adjustment may be needed with age/mileage.
        
     
 
    
    
    
        
            Yamaha History:
        
        
            Yamaha Motor Company, established in 1955, is renowned for its expertise in motorcycles, musical instruments, and marine products, with a strong legacy of innovation and performance.
        
     
    
    
        
            Vino Lineage:
        
        
            The Vino series is known for its retro styling and practical urban commuter appeal, dating back to earlier models with similar design cues.
        
     
    
    
        
            Production Period:
        
        
            2003-2004 model years for this specific manual.