Segment:
        
        
            Lightweight scooter, ideal for urban commuting and recreational use
        
     
    
        
            Target Audience:
        
        
            Beginner riders, urban commuters, those seeking economical transportation
        
     
    
    
        
            Competitors:
        
        
            Honda Metropolitan, Kymco Agility, SYM Fiddle
        
     
    
    
        
            Features:
        
        
            Automatic transmission, fuel efficiency, ease of operation, compact size
        
     
 
    
    
    
        
            Engine:
        
        
            Complete overhaul, repair, and tuning procedures
        
     
    
        
            Fuel System:
        
        
            Carburetor assembly, adjustment, and cleaning
        
     
    
        
            Ignition System:
        
        
            CDI unit, spark plug, ignition timing
        
     
    
        
            Transmission:
        
        
            CVT system (Drive clutch, driven clutch, belt, torque converter)
        
     
    
        
            Brakes:
        
        
            Front and rear brake system inspection, service, and adjustment
        
     
    
        
            Suspension:
        
        
            Front fork and rear shock absorber service and replacement
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, battery, lighting, starter, charging system
        
     
    
        
            Cooling System:
        
        
            Air cooling system maintenance
        
     
    
        
            Chassis Frame:
        
        
            Frame inspection and components
        
     
    
        
            Bodywork Trim:
        
        
            Fairings, panels, seat, and trim component removal/installation
        
     
    
        
            Wheels Tires:
        
        
            Wheel bearing service, tire maintenance
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, lubrication
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common and uncommon issues
        
     
    
        
            Repair:
        
        
            Step-by-step repair instructions for all major components
        
     
    
        
            Rebuild:
        
        
            Complete engine and transmission tear down and rebuild procedures
        
     
    
        
            Disassembly Assembly:
        
        
            Detailed instructions for disassembly and reassembly of all parts
        
     
    
        
            Adjustments:
        
        
            Carburetor, brake, throttle, and cable adjustments
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to full engine rebuilds
        
     
    
        
            Visual Aids:
        
        
            Includes pictures and part diagrams
        
     
    
        
            Data Precision:
        
        
            Provides torque specifications
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, SOHC, air-cooled
        
     
    
    
        
            Bore X Stroke:
        
        
            52.4 mm x 57.9 mm
        
     
    
    
    
        
            Horsepower:
        
        
            Approx. 8.2 HP @ 7500 RPM (Estimate based on typical 125cc scooters)
        
     
    
        
            Torque:
        
        
            Approx. 9.0 Nm @ 6000 RPM (Estimate based on typical 125cc scooters)
        
     
    
    
        
            Fuel Delivery:
        
        
            Mikuni BS26 carburetor
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline
        
     
    
        
            Fuel Tank Capacity:
        
        
            5.5 Liters (1.45 Gallons)
        
     
 
    
    
    
        
            Safety Features:
        
        
            Meets relevant safety standards for motorcycles in its class
        
     
    
    
        
            Braking System:
        
        
            Front disc brake, rear drum brake
        
     
    
    
        
            Lighting:
        
        
            Headlight, taillight, turn signals
        
     
 
    
    
    
        
            Instrumentation:
        
        
            Analog speedometer, fuel gauge, turn signal indicators, high beam indicator
        
     
    
    
        
            Assistance Features:
        
        
            N/A (Basic scooter with no advanced driver assistance systems)
        
     
    
    
        
            Connectivity Features:
        
        
            N/A (No modern connectivity features)
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 3,000-5,000 km or 6 months (refer to manual for exact specification)
        
     
    
        
            Air Filter Cleaning:
        
        
            Inspect and clean at regular intervals, replace as needed (refer to manual)
        
     
    
        
            Spark Plug Replacement:
        
        
            Typically every 10,000-12,000 km (refer to manual)
        
     
    
        
            Cvt Belt Inspection:
        
        
            Inspect for wear and damage at regular intervals (refer to manual)
        
     
    
    
        
            Engine Oil Type:
        
        
            Yamaha recommends Yamalube 4 (or equivalent) SAE 10W-30 API SG or higher.
        
     
    
        
            Engine Oil Capacity:
        
        
            0.80 L (0.85 US qt) without oil filter change; 0.90 L (0.95 US qt) with oil filter change.
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 brake fluid
        
     
    
    
        
            Common Issues:
        
        
            Carburetor clogging due to infrequent use, wear on CVT belt, aging electrical components (typical for older scooters)
        
     
    
        
            Preventative Maintenance:
        
        
            Regular use, proper fuel storage, and adherence to maintenance schedule are crucial