Engine Mechanical:
        
        
            Engine assembly, disassembly, inspection, repair, tuning, troubleshooting.
        
     
    
        
            Fuel System:
        
        
            Fuel injection system, fuel pump, injectors, fuel filter, fuel tank maintenance and repair.
        
     
    
        
            Ignition System:
        
        
            Ignition coil, spark plug, ECU control, timing.
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, coolant flow, fan operation.
        
     
    
        
            Exhaust System:
        
        
            Muffler, catalytic converter, exhaust pipes, emissions control.
        
     
    
        
            Transmission Drivetrain:
        
        
            Automatic transmission (CVT), clutch, drive belt, gear oil, final drive maintenance and repair.
        
     
    
        
            Chassis Frame:
        
        
            Frame inspection, welding, straightening procedures.
        
     
    
        
            Suspension System:
        
        
            Front fork, rear shock absorber, swingarm, linkage, lubrication, adjustment, repair.
        
     
    
        
            Brake System:
        
        
            Front and rear brake calipers, master cylinders, brake lines, brake pads, brake fluid, bleeding procedures, inspection.
        
     
    
        
            Wheel Tire Assembly:
        
        
            Wheel bearings, tire pressure, tire replacement, wheel balancing.
        
     
    
        
            Steering System:
        
        
            Handlebar, steering stem, steering bearings, lubrication, adjustment.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, battery, starter motor, alternator, lighting (headlight, taillight, indicators), horn, fuses, relays.
        
     
    
        
            Instrumentation:
        
        
            Speedometer, odometer, fuel gauge, indicator lights, diagnostics.
        
     
    
        
            Bodywork Panels:
        
        
            Fairings, seat, storage compartment, mounting and removal procedures, cosmetic repairs.
        
     
    
        
            Lighting And Signaling:
        
        
            Headlights, taillights, turn signals, brake lights, wiring, bulb replacement.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, brake system checks, chain/belt adjustment.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common and uncommon issues, fault codes, symptom-based repair guidance.
        
     
    
        
            Engine Rebuild:
        
        
            Detailed steps for complete engine disassembly, component inspection, measurement, and reassembly.
        
     
    
        
            Transmission Repair:
        
        
            CVT system overhaul, clutch replacement, drive belt inspection and replacement, final drive service.
        
     
    
        
            Suspension Overhaul:
        
        
            Fork seal replacement, shock absorber servicing, bearing replacement.
        
     
    
        
            Brake System Repair:
        
        
            Caliper overhaul, master cylinder replacement, brake line flushing and bleeding.
        
     
    
        
            Electrical Diagnostics:
        
        
            Wiring diagram interpretation, component testing, fault finding.
        
     
    
        
            Bodywork Repair:
        
        
            Panel removal and installation, fairing repair techniques.
        
     
    
        
            Torque Specifications:
        
        
            Precise torque values for all critical fasteners.
        
     
    
    
        
            Depth Of Information:
        
        
            Comprehensive factory-level repair and maintenance information, suitable for professional technicians and advanced DIY enthusiasts.
        
     
    
        
            Diagnostic Capabilities:
        
        
            Detailed diagnostic charts, symptom analysis, and troubleshooting flowcharts.
        
     
    
        
            Rebuild Instructions:
        
        
            Complete instructions for rebuilding major vehicle components.
        
     
 
    
    
    
        
            Engine Type:
        
        
            4-stroke, Liquid-cooled, SOHC, 2-valve
        
     
    
        
            Displacement:
        
        
            49.4 cc (Note: Exact displacement for PZ50W might vary slightly, but 50cc is typical for this class. Manual will confirm specific value.)
        
     
    
        
            Bore X Stroke:
        
        
            Precise dimensions available in manual (e.g., 39.0 mm x 41.4 mm for typical 50cc GY6 variants).
        
     
    
    
        
            Horsepower:
        
        
            Approx. 3.5 - 4.0 HP (Specific figures will be in the manual).
        
     
    
        
            Torque:
        
        
            Approx. 3.0 - 3.5 Nm (Specific figures will be in the manual).
        
     
    
    
        
            Fuel Delivery:
        
        
            Fuel Injection (FI) - Specific system details in manual.
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline
        
     
    
    
        
            Ignition System Type:
        
        
            T.C.I. (Transistor Controlled Ignition)
        
     
    
    
        
            Cooling Method:
        
        
            Liquid Cooling
        
     
    
    
        
            Oil Type:
        
        
            Yamaha recommends specific grade motorcycle oil (e.g., Yamalube 4, 10W-40 API SG or higher) - precise specification in manual.
        
     
    
        
            Oil Capacity:
        
        
            Approx. 0.8 - 0.9 Liters (Specific value and filter change capacity in manual).
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Recommended every 3,000-5,000 km or annually (refer to manual for exact interval based on usage).
        
     
    
        
            Air Filter Cleaning:
        
        
            Recommended every 2,000-3,000 km (refer to manual).
        
     
    
        
            Spark Plug Replacement:
        
        
            Recommended every 5,000-10,000 km (refer to manual for specific plug type and interval).
        
     
    
        
            Transmission Oil Change:
        
        
            Recommended every 6,000-10,000 km or annually (refer to manual).
        
     
    
        
            Brake Fluid Flush:
        
        
            Recommended every 2 years or as needed (refer to manual).
        
     
    
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze coolant, mixed with distilled water. Specific type and ratio in manual.
        
     
    
    
        
            Common Wear Items:
        
        
            Drive belt, brake pads, tires, battery, spark plug are common wear items that may require regular replacement.
        
     
    
        
            Electrical Connectors:
        
        
            Corrosion on electrical connectors can sometimes lead to intermittent issues, addressable with manual's wiring diagrams.