The MONGOOSE KXR 90 50 is a versatile All-Terrain Vehicle (ATV) designed for recreational use, offering a balance of performance and user-friendliness. Known for its robust engineering and reliability, a reputation has been established for producing quality ATVs that cater to a wide range of riders. This model, available in 50cc and 90cc variants, is particularly well-suited for youth riders and those new to off-road adventures, providing a stable and enjoyable riding experience with features like an adjustable throttle limiter for enhanced safety. Its design emphasizes durability and ease of operation, making it a dependable choice for exploring various terrains. This comprehensive English-language repair and service manual serves as an essential resource for owners, technicians, and DIY enthusiasts alike. It provides detailed instructions covering repair, service, restoration, maintenance, rebuilding, and diagnosis for the MONGOOSE KXR 90 50. The manual's scope includes in-depth coverage of all major vehicle systems, such as the engine, transmission, chassis, braking, and electrical systems, along with specific procedures for maintenance, component repair, troubleshooting, and complete overhauls. With clear, step-by-step instructions and detailed illustrations, this manual empowers users to effectively maintain and repair their ATV, ensuring optimal performance and longevity. 🏷️ Basic Information Identification Make: KYMCO Model: MONGOOSE KXR 90 50 Vehicle Type: All-Terrain Vehicle (ATV) Codes Product Code: KYMCO-MONGOOSE-KXR9050-RRSM-PDF 👋 Introduction Market Position Target Audience: DIY enthusiasts, ATV owners, professional technicians and workshops. Competitive Analysis Value Proposition: Provides professional-grade repair and maintenance information, enabling cost savings through DIY servicing. Key Features Instruction Style: Clear, step-by-step instructions with detailed illustrations. Information Source: Original manufacturer (KYMCO) produced manual. 📋 Manual Details Coverage Areas Primary Coverage: Repair, Service, Restoration, Maintenance, Rebuilding, Diagnosis Page Count Estimated Page Count: Varies (up to 5GB file size) Manual Type Type: Repair Service Manual / Workshop Manual / Factory Manual Language Language: English Format Format: PDF Download (may be zipped) 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly, assembly, tuning, carburetor, ignition, cooling system, lubrication Transmission Systems: Clutch, gearbox, drive train (specifics for 90cc/50cc variants) Chassis Systems: Frame, suspension (front and rear), steering, wheels, tires Braking Systems: Front and rear brake mechanisms, hydraulic systems, linkage adjustments Electrical Systems: Battery, charging system, lighting, ignition system components, wiring diagrams Bodywork And Trim: Body panels, plastics, seat, handlebars, controls Procedures Included Maintenance Procedures: Regular servicing, fluid changes, filter replacements, lubrication, pre-ride checks Repair Procedures: Step-by-step instructions for component repair and replacement Troubleshooting Procedures: Diagnostic guides, common problem identification, solutions Rebuild Procedures: Detailed instructions for engine and major component overhauls Technical Depth Depth: Comprehensive, from basic maintenance to complete engine rebuilds, including detailed exploded views and part breakdowns. 📊 Manual Specifications File Format Compatibility: Compatible with all operating systems (Windows 97-10, Linux, Mac) Delivery Method: Digital Download Only (no CD/DVD) File Size Consideration: Up to 5GB, requires stable internet connection and sufficient storage. Print Quality Printable: Yes, printable on any computer and printer. Digital Enhancements: Zoomable illustrations, detailed component explosions, exploded views. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder (typical for this class) Displacement: 50cc and 90cc variants (as indicated by model name) Performance Horsepower Range: Estimated 5-7 HP for 50cc, 7-10 HP for 90cc (typical for class) Torque Range: Low to mid-range torque optimized for off-road performance. Fuel System Fuel Delivery: Carbureted Ignition System: CDI (Capacitor Discharge Ignition) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Features Drive System: Chain drive to rear wheels 📐 Dimensions Exterior Length: Specific dimensions vary, but typically around 1500-1700mm Width: Specific dimensions vary, but typically around 900-1000mm Height: Specific dimensions vary, but typically around 900-1000mm Weights Dry Weight: Typically around 90-110 kg (dry) 🛡️ Safety Features Ratings Atv Safety Standards: Adheres to relevant ATV safety standards for youth riders. Active Features Braking System: Front and rear drum brakes or disc brakes depending on specific model year, operated by handlebar levers. Passive Features Throttle Limiter: Often includes an adjustable throttle limiter for younger riders. Engine Kill Switch: Standard engine kill switch on handlebars. 💡 Technology Features Infotainment Infotainment Features: N/A (Utility/recreational focus, no advanced infotainment systems). Driver Assistance Assistance Features: Throttle limiter for safety. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 1000 km or 12 months, whichever comes first (refer to manual for precise intervals). Air Filter Cleaning: Recommended every 500 km or semi-annually. Replacement as needed. Fluid Specifications Engine Oil Type: SAE 10W-40 API SG or higher (for 2-stroke engine oil). Transmission Oil Type: Specific gear oil or transmission fluid as per manual recommendations (typically GL-4). Known Issues Common Wear Items: Brake pads, tires, drive chain, carburetor cleaning due to fuel quality. Carburetor Tuning: May require periodic adjustments due to environmental factors or age. 📚 Vehicle History Brand Heritage Manufacturer: KYMCO (Kwang Yang Motor Co., Ltd.) is a Taiwanese manufacturer of...