Market Segment:
        
        
            Entry-level off-road/motocross motorcycle, popular for junior riders and trail riding
        
     
    
    
        
            Key Competitors:
        
        
            Honda XR50/CRF50, Kawasaki KX65, KTM 50 SX
        
     
    
    
        
            Durability:
        
        
            Known for its robust construction and reliability
        
     
    
        
            Simplicity:
        
        
            User-friendly design, ideal for learning mechanics
        
     
    
        
            Performance Characteristics:
        
        
            Torquey low-end power, suitable for off-road acceleration
        
     
 
    
    
    
        
            Coverage Years:
        
        
            2007 onwards
        
     
    
        
            Market Coverage:
        
        
            Global (assumed, specific regional coverage not stated)
        
     
    
    
        
            Estimated Page Count:
        
        
            Extensive (specific number not provided, but typical for workshop manuals)
        
     
    
    
        
            Manual Type:
        
        
            Workshop Service Repair Manual
        
     
    
    
        
            Language:
        
        
            English (assumed standard for such manuals)
        
     
    
    
        
            Format:
        
        
            Instant Download (Digital)
        
     
 
    
    
    
        
            Engine Service:
        
        
            Complete engine overhaul, disassembly, inspection, and reassembly procedures
        
     
    
        
            Transmission Service:
        
        
            Clutch, gearbox, and drive system maintenance and repair
        
     
    
        
            Fuel System Service:
        
        
            Carburetor tuning, cleaning, and rebuilding; fuel tank and lines
        
     
    
        
            Electrical System Service:
        
        
            Ignition system, lighting, wiring diagrams, battery maintenance
        
     
    
        
            Suspension Service:
        
        
            Front forks and rear shock absorber servicing and adjustment
        
     
    
        
            Braking System Service:
        
        
            Front and rear brake inspection, adjustment, and component replacement
        
     
    
        
            Cooling System Service:
        
        
            Air-cooled engine considerations, heat dissipation
        
     
    
        
            Chassis And Frame:
        
        
            Frame inspection, handlebars, footpegs, and bodywork maintenance
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, chain adjustment, spark plug replacement
        
     
    
        
            Troubleshooting Guides:
        
        
            Diagnostic charts for common problems and their solutions
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step instructions for all major mechanical and electrical repairs
        
     
    
        
            Rebuild Instructions:
        
        
            Complete engine and component rebuild procedures
        
     
    
        
            Assembly Disassembly:
        
        
            Detailed instructions for taking apart and putting back together the motorcycle
        
     
    
    
        
            Depth Of Information:
        
        
            Comprehensive, covering all aspects from basic maintenance to complete engine rebuilds
        
     
    
        
            Diagnostic Capabilities:
        
        
            Includes troubleshooting sections to identify and resolve performance issues
        
     
    
        
            Special Tools Required:
        
        
            Identifies specific tools needed for specialized procedures
        
     
 
    
    
    
        
            Engine Type:
        
        
            2-stroke, single-cylinder, reed valve
        
     
    
        
            Displacement:
        
        
            79 cc (4.8 cu in)
        
     
    
        
            Bore X Stroke:
        
        
            47 x 45.8 mm (1.85 x 1.80 in)
        
     
    
        
            Cooling System:
        
        
            Forced air-cooled
        
     
    
        
            Carburetor:
        
        
            Mikuni VM17 (typical, may vary slightly by region/year)
        
     
    
    
        
            Horsepower:
        
        
            Approx. 7.2 hp @ 7000 rpm (manufacturer figures vary)
        
     
    
        
            Torque:
        
        
            Approx. 7.2 Nm (5.3 lb-ft) @ 6000 rpm (manufacturer figures vary)
        
     
    
    
        
            Fuel Type:
        
        
            Unleaded gasoline
        
     
    
        
            Fuel Mixture:
        
        
            Pre-mix: 50:1 (Gasoline: 2-stroke oil) - specific oil type recommended in manual
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Refer to manual for specific hours/miles (typically every 10-15 hours for off-road use)
        
     
    
        
            Spark Plug Replacement:
        
        
            Refer to manual for recommended interval or based on inspection
        
     
    
        
            Air Filter Cleaning:
        
        
            Frequent cleaning/replacement recommended based on operating conditions (e.g., dusty environments)
        
     
    
    
        
            Transmission Oil Type:
        
        
            Yamaha recommends specific 2-stroke motorcycle oil or equivalent API TC or JASO FD certified oil. Manual specifies exact type and grade.
        
     
    
        
            Fuel Octane Rating:
        
        
            Minimum 87 octane unleaded gasoline
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 brake fluid (front and rear, if applicable)
        
     
    
    
        
            Carburetor Gumming:
        
        
            Can occur if fuel is left in for extended periods; regular cleaning is key.
        
     
    
        
            Clutch Wear:
        
        
            Centrifugal clutch can wear over time with aggressive use; manual details adjustment and replacement.
        
     
    
        
            Air Leakage:
        
        
            Potential for air leaks at intake manifold or crank seals can cause running issues.
        
     
    
        
            Spark Plug Fouling:
        
        
            Can be caused by incorrect fuel/oil mixture or jetting issues; manual provides tuning guidance.
        
     
 
    
    
    
        
            Brand Reputation:
        
        
            Yamaha is renowned for its high-quality engines, motorcycles, and musical instruments, with a strong legacy in motorsports.
        
     
    
    
        
            Pw Series Legacy:
        
        
            The PW series has a long history of being a reliable and accessible entry-level off-road bike, evolving through minor updates over decades.
        
     
    
    
        
            Production Start:
        
        
            Original PW80 introduced in the early 1980s.
        
     
    
        
            Key Updates:
        
        
            While core design remains, updates often involved minor aesthetic changes, improved suspension components, and compliance with emission standards.