This manual covers the KXR 90 Mongoose, a versatile ATV designed for recreational use and suitable for DIY enthusiasts and professional mechanics alike. Known for a reputation for producing durable and value-oriented powersports vehicles, the KXR line offers user-friendly operation and reliable performance. This workshop service repair manual provides comprehensive information, enabling owners and technicians to maintain and repair this model effectively, ensuring its longevity and optimal performance on various terrains. The KXR 90 Mongoose Workshop Service Repair Manual is an indispensable resource offering factory-level detail for servicing, repair, restoration, maintenance, and diagnosis. It encompasses all major systems, including the engine, drivetrain, chassis, suspension, and electrical systems, with extensive coverage of procedures such as regular servicing, preventative maintenance, lubrication, and detailed step-by-step repair instructions. The manual also features troubleshooting guidance, rebuild procedures, and zoomable illustrations, making it a complete guide for anyone needing to understand, maintain, or repair their KXR 90 Mongoose. 🏷️ Basic Information Identification Make: Kymco Model: KXR 90 Mongoose Model Variant: 50 Product Type: Workshop Service Repair Manual Product Format: Digital Download (PDF) 👋 Introduction Market Position Target Audience: DIY enthusiasts, professional mechanics, workshops servicing Kymco KXR 90 Mongoose ATVs. Competitive Analysis Value Proposition: Provides factory-level technical information enabling cost savings through self-maintenance and repair. Key Features Manual Quality: Original, highly detailed, illustrated, factory-produced manual. Benefit: Enables immediate problem-solving and efficient repairs. 📋 Manual Details Coverage Areas Overall Coverage: Comprehensive servicing, repair, restoration, maintenance, and diagnosis. Page Count Estimated Pages: Unknown (File size can be up to 5GB, indicating extensive detail) Manual Type Type: Factory Workshop Service Repair Manual Language Language: English Format File Type: PDF Compression: May be zipped (.zip, .rar) requiring WinZip or WinRAR 📖 Manual Coverage Systems Covered Engine: Engine removal, cylinder head, valves, cylinder, piston, crankcase, crankshaft, lubrication system, fuel system. Drivetrain: Drive and drive pulleys, final reduction, transmission system. Chassis Suspension: Front wheel, front brake, front suspension, steering system, rear wheel, swing arm. Electrical System: Battery, charging system, A.C. generator, ignition system, starting system, bulbs. Bodywork Frame: Frame covers, exhaust mufflers. Instruments Controls: Instruments, horn. Procedures Included Maintenance: Regular servicing, preventative maintenance, lubrication. Repair: Step-by-step repair instructions for all covered systems. Troubleshooting: Diagnostic guidance and solutions for common and uncommon problems. Rebuild: Detailed procedures for rebuilding major components. Technical Depth Depth: Factory-level detail suitable for professional technicians and DIY enthusiasts. Illustrations: Illustrated with clear, step-by-step instructions, zoomable illustrations, exploded views, and component breakdowns. 📊 Manual Specifications File Format Format Details: PDF, potentially .zip or .rar archives. Accessible via PDF reader. Print Quality Printability: Printable on any computer and printer. Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper: Not Applicable (Digital Download) File Access Storage Recommendation: Users must save the manual after download; no lifetime storage is provided by the seller. Download Window: Three days after payment to download and save the manual. ⚙️ Engine Specifications Primary Engine Engine Type: Likely air-cooled, two-stroke (common for this class of ATV, though not explicitly stated, manual coverage implies detailed engine work). Engine Displacement: 90cc (implied by model name, though 50cc variant also mentioned - manual likely covers both or a general platform). Performance Horsepower: Specific data not provided, but manual covers engine rebuilds. Torque: Specific data not provided, but manual covers engine rebuilds. Fuel System Carburetion: Likely carburetor-based (manual covers fuel system). 🔧 Transmission Standard Transmission Type: Automatic (likely CVT - Continuously Variable Transmission, given ATV design; manual covers drive pulleys and transmission system). Features Drive System: Chain drive final reduction is common for this type of ATV (manual covers final reduction). 📐 Dimensions Exterior Length: Specific data not provided in product description, but manual likely contains. Weights Dry Weight: Specific data not provided in product description, but manual likely contains. 🛡️ Safety Features Active Features Braking System: Front and Rear Hydraulic Brakes (manual specifies front brake and hydraulic brake). 💡 Technology Features Infotainment Display Panel: Basic instrumentation, as detailed in the 'instruments' section of the manual. Driver Assistance ABS: Not applicable for this class of ATV. Connectivity Charging System: Includes details on the battery and charging system (A.C. Generator). 🔧 Maintenance Service Intervals Scheduled Maintenance: Manual provides detailed information on preventative maintenance schedules and procedures. Fluid Specifications Engine Oil: Specific oil type and viscosity (e.g., SAE 10W-40, JASO MA) would be detailed in the manual, typical for air-cooled two-strokes. Brake Fluid: DOT 3 or DOT 4 hydraulic brake fluid is likely specified for the hydraulic brake system. Known Issues Common Wear Items: As an entry-level ATV, typical wear items would include drive belts, brake pads, tires, and spark plugs, all covered by the manual's repair sections. Troubleshooting Support: The manual's troubleshooting section is a key resource for diagnosing and resolving specific issues. 📚 Vehicle History Brand Heritage Manufacturer: Kymco (Kwang Yang Motor Co., Ltd.) is a well-established Taiwanese manufacturer of scooters, motorcycles,...