Target User:
        
        
            DIY mechanics, ATV owners seeking to perform maintenance and repairs.
        
     
    
    
        
            Value Proposition:
        
        
            Provides comprehensive factory-level repair information for cost-effective DIY maintenance, saving on professional labor costs.
        
     
    
    
        
            Instant Access:
        
        
            Immediate availability via digital download allows users to start repairs without delay.
        
     
    
        
            Visual Guidance:
        
        
            Inclusion of pictures and diagrams enhances understanding of complex procedures.
        
     
 
    
    
    
        
            Model Years Covered:
        
        
            2003, 2004, 2005, 2006, 2007
        
     
    
        
            Engine Variants Covered:
        
        
            All engine types for KXR 90 and KXR50 models
        
     
    
        
            Geographic Applicability:
        
        
            Global (based on model availability)
        
     
    
    
        
            Estimated Page Count:
        
        
            Likely 200-400 pages (typical for this type of manual; exact count not provided)
        
     
    
    
        
            Manual Type:
        
        
            Comprehensive Service and Repair Workshop Manual
        
     
    
    
    
    
    
    
        
            Delivery:
        
        
            Instant Download
        
     
 
    
    
    
        
            Engine:
        
        
            Complete overhaul, diagnosis, tuning, lubrication system, cooling system, fuel system (carburetor specific details).
        
     
    
        
            Transmission Drivetrain:
        
        
            Clutch operation, gearbox inspection, chain drive maintenance, differential (if applicable).
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, ignition system, lighting, battery charging system, starter system, fuses, relays.
        
     
    
        
            Chassis Suspension:
        
        
            Front and rear suspension, steering system, wheel bearings, shock absorbers, bushings.
        
     
    
        
            Braking System:
        
        
            Front and rear brake systems (likely drum or disc), brake fluid, hydraulic lines, caliper/wheel cylinder service.
        
     
    
        
            Fuel System:
        
        
            Carburetor disassembly, cleaning, adjustment, fuel lines, fuel filter, fuel tank.
        
     
    
        
            Exhaust System:
        
        
            Muffler, exhaust pipe inspection and replacement.
        
     
    
        
            Cooling System:
        
        
            Air-cooled engine specifics, cooling fins, heat dissipation.
        
     
    
        
            Frame Body:
        
        
            Frame inspection, body panel removal/installation, seat, handlebars, controls.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, chain lubrication and adjustment, tire pressure checks, brake adjustments, general inspections.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic flowcharts, common problem identification and solutions.
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step instructions for component disassembly, repair, and reassembly.
        
     
    
        
            Rebuilds:
        
        
            Engine top-end rebuilds, carburetor rebuilds, transmission servicing.
        
     
    
        
            Electrical Diagnostics:
        
        
            Testing ignition coils, stator, rectifier, starter motor, and troubleshooting electrical faults.
        
     
    
        
            Carburetor Adjustment:
        
        
            Idle speed, air-fuel mixture adjustments.
        
     
    
    
        
            Depth Of Information:
        
        
            A-Z coverage for all servicing and repair procedures.
        
     
    
        
            Instruction Style:
        
        
            Very easy to follow step-by-step instructions with pictures.
        
     
    
        
            Visual Aids:
        
        
            Includes pictures and wiring diagrams.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Likely single-cylinder, 4-stroke, air-cooled (typical for this class of ATV)
        
     
    
        
            Displacement Kx 90:
        
        
            Approximately 89cc (for KXR 90)
        
     
    
        
            Displacement Kx 50:
        
        
            Approximately 49cc (for KXR50)
        
     
    
    
        
            Bore X Stroke:
        
        
            Specifics vary by engine size, detailed in manual.
        
     
    
        
            Compression Ratio:
        
        
            Specifics vary by engine size, detailed in manual.
        
     
    
    
        
            Fuel Delivery:
        
        
            Carburetor (specific model and settings detailed in manual).
        
     
    
        
            Recommended Fuel:
        
        
            Unleaded gasoline (specific octane rating likely detailed).
        
     
    
    
        
            Ignition System:
        
        
            CDI (Capacitor Discharge Ignition), details on timing and components.
        
     
    
    
        
            Oil Type Kx 90:
        
        
            Specific Kymco recommended 4-stroke engine oil or equivalent (e.g., SAE 10W-40 API SG or higher), capacity detailed.
        
     
    
        
            Oil Type Kx 50:
        
        
            Specific Kymco recommended 4-stroke engine oil or equivalent (e.g., SAE 10W-30 API SF or higher), capacity detailed.
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Specific dimensions provided in manual, typically around 42-45 inches.
        
     
    
        
            Overall Length:
        
        
            Specific dimensions provided in manual, typically around 65-70 inches.
        
     
    
        
            Overall Width:
        
        
            Specific dimensions provided in manual, typically around 37-40 inches.
        
     
    
        
            Overall Height:
        
        
            Specific dimensions provided in manual, typically around 40-43 inches.
        
     
    
    
        
            Dry Weight:
        
        
            Specific weights provided in manual, likely in the 150-200 lb range.
        
     
    
        
            Ground Clearance:
        
        
            Specific ground clearance details provided in manual.
        
     
 
    
    
    
        
            Atv Safety Standards:
        
        
            Adherence to relevant ATV safety standards (e.g., ANSI, ATVA).
        
     
    
    
        
            Braking System Activation:
        
        
            Handlebar-mounted brake levers.
        
     
    
    
        
            Rollover Protection:
        
        
            Standard ATV frame and handlebar design.
        
     
    
        
            Lighting:
        
        
            Headlights, taillight/brake light.
        
     
 
    
    
    
        
            Infotainment System:
        
        
            N/A (Basic utility ATV, no infotainment features).
        
     
    
    
        
            Driver Assistance Features:
        
        
            N/A (Basic utility ATV, no advanced driver assistance features).
        
     
    
    
        
            Connectivity Options:
        
        
            N/A (Basic utility ATV, no connectivity features).
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 6 months or 1,000-2,000 km (or as per manual's specific recommendation).
        
     
    
        
            Air Filter Cleaning Replacement:
        
        
            Regular inspection and cleaning, replacement as needed, typically every 6-12 months or based on operating conditions.
        
     
    
        
            Spark Plug Inspection Replacement:
        
        
            Inspection at regular intervals, replacement as per manual, typically annually or every few thousand km.
        
     
    
        
            Chain Lubrication Adjustment:
        
        
            Frequent lubrication recommended, adjustment as per manual specifications (chain slack).
        
     
    
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 hydraulic brake fluid (confirm specific type in manual).
        
     
    
        
            Gearbox Oil Type:
        
        
            Specific gear oil or transmission fluid type as per manual, capacity detailed.
        
     
    
    
        
            Carburetor Clogging:
        
        
            Common on older or infrequently used ATVs, requires cleaning and adjustment.
        
     
    
        
            Cv Belt Wear:
        
        
            CVT belts can wear over time, leading to slipping or reduced performance. Manual covers inspection and replacement.
        
     
    
        
            Electrical Connections:
        
        
            Corrosion or loose connections in wiring can lead to intermittent electrical issues. Manual provides wiring diagrams for diagnosis.
        
     
 
    
    
    
        
            Kymco Overview:
        
        
            Kymco (Kwang Yang Motor Co., Ltd.) is a Taiwanese company that manufactures motorcycles, scooters, ATVs, and mobility scooters. Known for producing reliable and affordable vehicles.
        
     
    
    
        
            Mongoose Series:
        
        
            The Mongoose series represented Kymco's entry into the youth and entry-level ATV market, offering a balance of performance and accessibility.
        
     
    
    
        
            Manufacturing Location:
        
        
            Taiwan (Kymco primary manufacturing hub)