🏷️ Basic Information Identification Make: Kymco Model: KXR 90/50 Mongoose Vehicle Type: All-Terrain Vehicle (ATV) Codes Series Code: KXR 90/50 👋 Introduction Market Position Target User: Owners of Kymco KXR 90/50 Mongoose ATVs seeking to perform their own maintenance and repairs, regardless of skill level Competitive Analysis Value Proposition: Cost savings by enabling DIY repairs, provides access to manufacturer-level technical data and procedures Key Features Content Emphasis: Step-by-step instructions, extensive use of pictures and diagrams Delivery Method: Instant PDF download, eliminating shipping costs and waiting times 📋 Manual Details Coverage Areas Primary Coverage: Complete workshop service and repair Secondary Coverage: Inspection, adjustment, lubrication, engine removal, component overhaul, electrical systems, chassis components Page Count Estimated Page Count: High (specific number not provided, but described as 'COMPLETE' and 'Tons of pictures and diagrams') Manual Type Type: Workshop Service/Repair Manual Language Language: English Format Format: PDF Download Compatibility: Windows, macOS 📖 Manual Coverage Systems Covered Engine Internal: Cylinder head, valves, cylinder, piston, crankcase, crankshaft, drive pulleys, final reduction, transmission system Fuel And Exhaust: Fuel system, exhaust mufflers Chassis And Suspension: Frame covers, front wheel, front brake, front suspension, steering system, rear wheel, swing arm Electrical And Ignition: Battery, charging system, A.C. generator, ignition system, starting system, bulbs, instruments, horn Procedures Included Maintenance: Inspection, adjustment, lubrication Repair And Overhaul: Engine removal, component overhaul (cylinder head, valves, piston, crankcase, etc.), transmission repair, brake system overhaul, electrical system diagnostics and repair Troubleshooting: Implied through diagnostic information for electrical and mechanical systems Technical Depth Depth: Comprehensive (covers 'every part of the ATV, in and out'), suitable for detailed repair and rebuilding 📊 Manual Specifications File Format Type: Portable Document Format (PDF) Searchability: Likely text-searchable (common for professionally created PDFs) Print Quality Printability: Fully printable, allowing users to print specific sections or the entire manual Binding Type Format For Use: Digital (downloadable); user can print and bind as needed Paper Type Usage Environment: Designed for use in home, office, or repair shop environments ⚙️ Engine Specifications Primary Engine Type: Air-cooled, 4-stroke (typical for this class and model, though specific designation not given) Displacement 90Cc: Approximately 87-90cc (typical for 90cc class) Displacement 50Cc: Approximately 49-50cc (typical for 50cc class) Cooling System: Forced Air Cooling Performance Horsepower Range: Typically 5-9 HP depending on specific 50cc or 90cc configuration Torque Range: Estimated 4-7 lb-ft (specific data not provided) Fuel System Carburetor Type: Likely a constant velocity (CV) carburetor or a simpler slide carburetor Fuel Type: Unleaded Gasoline Engine Removal Procedure Coverage: Detailed instructions for engine removal and reinstallation 🔧 Transmission Standard Type: Automatic CVT (Continuously Variable Transmission) with Chain Drive Final Reduction Drive Pulleys: Primary and Secondary drive pulleys covered for inspection, adjustment, and replacement Features Gear Selection: Forward, Neutral, Reverse (typical for this class, confirmed by manual sections) 📐 Dimensions Exterior Length: Specific dimensions not provided, but typical for a youth/entry-level ATV (approx. 50-60 inches) Width: Specific dimensions not provided, but typical for a youth/entry-level ATV (approx. 30-35 inches) Height: Specific dimensions not provided, but typical for a youth/entry-level ATV (approx. 35-40 inches) Weights Dry Weight: Specific weight not provided, but typically around 150-200 lbs for this class Ground Clearance: Specific clearance not provided, but typically around 4-6 inches 🛡️ Safety Features Active Features Braking System: Hydraulic front and rear brakes (drums or discs depending on specific configuration, manual covers hydraulic brake system) Steering System: Handlebar steering with tie rods and steering knuckles Passive Features Lighting: Headlight, taillight/brake light, indicator bulbs (covered in manual) Throttle Limiter: Often present on youth ATVs, manual may cover its adjustment if applicable 💡 Technology Features Infotainment Instrumentation: Basic instrument cluster including speedometer (if equipped), odometer, neutral indicator, and potentially other warning lights (e.g., oil, high beam). Covered in manual. Driver Assistance Features: Primarily mechanical systems. Safety features are mechanical (brakes, steering) and basic electrical (lights). 🔧 Maintenance Service Intervals Oil Change: Typically every 1000-2000 km or annually; specific interval detailed in manual. Air Filter Cleaning: Regular inspection and cleaning recommended, typically every few hundred km or as needed based on operating conditions. Spark Plug Replacement: Typically recommended every 6-12 months or a set mileage/hour interval; specific part number and interval in manual. Fluid Specifications Engine Oil: Likely SAE 10W-40 or 20W-50 API SG or higher; specific grade and capacity detailed in manual. Brake Fluid: DOT 3 or DOT 4 hydraulic brake fluid; specific type confirmed in manual. Gear Oil: If applicable for specific gearbox lubrication, manual will specify grade and quantity. Known Issues Common Wear Items: Drive belts, brake pads/shoes, tires, and suspension bushings are common wear items for ATVs of this type. Carburetor Cleaning: Periodic cleaning may be required due to fuel quality or debris ingress; manual provides disassembly and cleaning instructions. 📚 Vehicle History Brand Heritage Manufacturer: Kymco (Kwang Yang Motor Co., Ltd.) is a Taiwanese manufacturer known for scooters, motorcycles, and...