Target Audience:
        
        
            Owners seeking to perform their own maintenance and repairs, independent repair shops, enthusiast forums.
        
     
    
        
            Value Proposition:
        
        
            Empowers users with factory-level knowledge to maintain, diagnose, and repair their 2002 Yamaha MBK JOG R/RR CS50/CS50Z effectively and efficiently.
        
     
    
    
        
            Alternatives:
        
        
            Unofficial repair guides, generic motorcycle manuals (less specific), forums (unverified information).
        
     
    
    
        
            Authenticity:
        
        
            Directly from Yamaha/MBK factory documentation, ensuring accuracy and completeness.
        
     
    
        
            Detail Level:
        
        
            Extremely detailed, covering every aspect of the vehicle's mechanical and electrical systems.
        
     
 
    
    
    
        
            Manual Type:
        
        
            Factory Service/Repair/Workshop Manual
        
     
    
    
        
            Format:
        
        
            Digital (likely PDF)
        
     
    
        
            Page Count:
        
        
            Estimated 200-300 pages (typical for this era/type of manual)
        
     
    
        
            Scope:
        
        
            Comprehensive repair and maintenance for the specified model year and variants.
        
     
    
    
        
            File Format:
        
        
            PDF (Portable Document Format) is the most common for digital manuals.
        
     
    
        
            Print Quality:
        
        
            High-resolution scans of original factory documents, suitable for printing key sections.
        
     
    
        
            Binding Type:
        
        
            N/A (Digital Format)
        
     
    
        
            Paper Type:
        
        
            N/A (Digital Format)
        
     
    
        
            Searchability:
        
        
            Typically features searchable text, allowing quick location of specific information.
        
     
 
    
    
    
        
            Engine:
        
        
            Top-end, bottom-end, cooling, lubrication, fuel, ignition, exhaust, starting.
        
     
    
        
            Transmission:
        
        
            CVT (Continuously Variable Transmission) system, clutch, gearbox (if applicable).
        
     
    
        
            Chassis:
        
        
            Frame, front suspension (forks), rear suspension (shock absorber), steering.
        
     
    
        
            Brakes:
        
        
            Front and rear brake systems (hydraulic disc/drum), brake fluid, lines, calipers/drums.
        
     
    
        
            Electrical:
        
        
            Wiring harness, lighting (headlight, taillight, indicators), battery, charging system (stator, regulator/rectifier), ignition system components, starter motor.
        
     
    
        
            Fuel System:
        
        
            Carburetor (model specific), fuel lines, fuel tank, fuel filter.
        
     
    
        
            Bodywork:
        
        
            Fairings, body panels, seat, storage compartment, fasteners.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacement, spark plug checks/replacement, air filter service, brake adjustments/fluid changes, chain lubrication/adjustment (if applicable).
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts, common problem identification, symptom-based solutions for engine, electrical, and mechanical issues.
        
     
    
        
            Repair Disassembly:
        
        
            Step-by-step guides for dismantling and reassembling major components (engine, suspension, brakes, electrical units).
        
     
    
        
            Rebuilds:
        
        
            Detailed procedures for engine top-end and bottom-end rebuilds, carburetor overhaul, transmission component servicing.
        
     
    
        
            Inspections:
        
        
            Pre-ride checks, regular inspection points for wear and tear on critical components.
        
     
    
        
            Adjustments:
        
        
            Carburetor tuning, brake lever free play, throttle cable slack, suspension settings.
        
     
    
    
        
            Diagnostic Capabilities:
        
        
            Detailed symptom analysis, potential causes, and corrective actions for a wide range of malfunctions.
        
     
    
        
            Specifications Accuracy:
        
        
            Precise torque values, clearance measurements, fluid capacities, electrical resistance values.
        
     
    
        
            Diagrams Illustrations:
        
        
            Exploded views, wiring diagrams, sectional views, and detailed illustrations of components and procedures.
        
     
    
        
            Part Numbers:
        
        
            Likely includes OEM part numbers for key components, facilitating ordering.
        
     
 
    
    
    
        
            Engine Type:
        
        
            2-stroke, single-cylinder, air-cooled
        
     
    
        
            Displacement:
        
        
            49cc (nominal)
        
     
    
        
            Bore X Stroke:
        
        
            Specific dimensions will be detailed in the manual, typically around 39mm x 41.4mm.
        
     
    
        
            Compression Ratio:
        
        
            Detailed in manual, likely around 7.0-7.5:1
        
     
    
        
            Power Output:
        
        
            Typically in the range of 5-7 HP (specific figures vary by market and tuning).
        
     
    
        
            Torque:
        
        
            Detailed in manual, typically around 5-6 Nm.
        
     
    
    
        
            Carburetor Model:
        
        
            Likely a Mikuni VM Series or similar, e.g., VM12 or VM14 (specific model in manual).
        
     
    
        
            Ignition System:
        
        
            CDI (Capacitor Discharge Ignition)
        
     
    
        
            Starting Method:
        
        
            Electric starter and kick starter
        
     
    
    
        
            Fuel Type:
        
        
            Unleaded gasoline
        
     
    
        
            Fuel Mixture:
        
        
            2-stroke oil/gasoline mixture (pre-mix or oil injection system, specified in manual).
        
     
    
        
            Fuel Tank Capacity:
        
        
            Typically around 5-6 Liters
        
     
 
    
    
    
        
            Type:
        
        
            Automatic CVT (Continuously Variable Transmission)
        
     
    
    
    
        
            None:
        
        
            No manual transmission options.
        
     
    
    
        
            Clutch Type:
        
        
            Centrifugal automatic clutch
        
     
    
        
            Gear Ratios:
        
        
            Continuously variable, detailed ratios for variator and clutch assembly will be in the manual.
        
     
    
        
            Transmission Oil Type:
        
        
            Gear oil for final drive, specific viscosity and API service rating will be in the manual.
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 1700-1800 mm (specifics in manual)
        
     
    
        
            Width:
        
        
            Approx. 680-720 mm (specifics in manual)
        
     
    
        
            Height:
        
        
            Approx. 1000-1100 mm (specifics in manual)
        
     
    
        
            Wheelbase:
        
        
            Approx. 1200-1250 mm (specifics in manual)
        
     
    
    
        
            Dry Weight:
        
        
            Approx. 80-90 kg (specifics in manual)
        
     
    
        
            Gross Vehicle Weight Rating:
        
        
            Detailed in manual, typically around 250 kg.
        
     
    
        
            Load Capacity:
        
        
            Single rider plus moderate luggage, detailed limits in manual.
        
     
 
    
    
    
        
            Crash Test Data:
        
        
            Not typically tested or rated for this vehicle class.
        
     
    
    
        
            Braking System:
        
        
            Front disc brake, Rear drum or disc brake (depending on specific CS50/CS50Z variant), offering reliable stopping power.
        
     
    
        
            Tires:
        
        
            Tubeless or tube-type tires (specified in manual), designed for scooter stability.
        
     
    
    
        
            Lighting:
        
        
            Headlight, taillight, brake light, turn signals for visibility.
        
     
    
        
            Frame Construction:
        
        
            Steel frame designed for stability and rider support.
        
     
 
    
    
    
        
            Dashboard Features:
        
        
            Basic analog speedometer, odometer, fuel gauge (if equipped), indicator lights for turn signals, high beam, oil level (if applicable).
        
     
    
    
        
            None:
        
        
            No advanced driver assistance systems are present on this model.
        
     
    
    
        
            None:
        
        
            No modern connectivity features (Bluetooth, USB, etc.) are present.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 2,000-3,000 km or annually, consult manual for specific mileage/time.
        
     
    
        
            Air Filter Cleaning:
        
        
            Every 1,000-2,000 km or as needed based on operating conditions.
        
     
    
        
            Spark Plug Check:
        
        
            Every 2,000-3,000 km, replacement as needed.
        
     
    
        
            Brake Fluid Change:
        
        
            Every 1-2 years or as recommended by the manual.
        
     
    
        
            Cvt Belt Inspection:
        
        
            Every 5,000-10,000 km for wear and tear, replacement as needed.
        
     
    
    
        
            Engine Oil:
        
        
            Specific viscosity (e.g., 10W-30 or 10W-40) and API service classification (e.g., SG or higher) for 2-stroke engines will be detailed. Note: For 2-strokes, this refers to the injection oil, not crankcase oil.
        
     
    
        
            Transmission Oil:
        
        
            Specific gear oil viscosity (e.g., 75W-90) and API service rating for the final drive gearbox will be provided.
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4 (typically), check manual for exact specification.
        
     
    
    
        
            Carburetor Fouling:
        
        
            Common in 2-stroke engines due to fuel mixture and exhaust byproducts, requiring regular cleaning.
        
     
    
        
            Cvt Belt Wear:
        
        
            Belts can wear over time, leading to reduced acceleration and potential slippage, requiring replacement.
        
     
    
        
            Electrical Connectors:
        
        
            Corrosion or loose connections in wiring harness can cause intermittent electrical faults.
        
     
    
        
            Exhaust System Carboning:
        
        
            2-stroke engines can build up carbon in the exhaust port and muffler, affecting performance and requiring decoking.
        
     
 
    
    
    
        
            Yamaha Motor Company:
        
        
            Yamaha has a long-standing reputation for producing high-quality, reliable, and performance-oriented motorcycles and scooters since its inception.
        
     
    
        
            Mbk Industrie:
        
        
            MBK Industrie is a French manufacturer that became a wholly owned subsidiary of Yamaha Motor Corporation, specializing in scooters.
        
     
    
    
        
            Jog Series:
        
        
            The JOG series has been a popular line of scooters for Yamaha/MBK for many years, undergoing continuous refinement and updates to meet evolving market demands and regulations.
        
     
    
        
            2002 Model Context:
        
        
            This model represents a mid-generation update for the JOG platform, often featuring improved styling, emissions controls, and performance enhancements over earlier versions.
        
     
    
    
        
            Manufacturing Location:
        
        
            Primarily manufactured in Europe (France) due to MBK's heritage, though some components may originate from Yamaha's global supply chain.