🏷️ Basic Information Identification Make: Kymco Model: KXR 90 Vehicle Type: ATV (All-Terrain Vehicle) 👋 Introduction Market Position Product Category: Entry-level to mid-range youth ATV Target Demographic: Youth riders, recreational users Key Features Manual Benefit: Empowers owners and technicians with detailed procedural knowledge for effective maintenance and repair. 📋 Manual Details Coverage Areas Primary Coverage: Maintenance and repair procedures for Kymco KXR 90 Target Audience: Do-it-yourselfers and experienced mechanics Page Count Estimated Page Count: Refer to product listing for exact count, typically 200-500 pages for comprehensive service manuals Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine removal and installation, cylinder head and valves, cylinder piston, crankcase and crankshaft Fuel System: Fuel system inspection and adjustment Lubrication System: Lubrication system inspection and maintenance Drive System: Drive and driven pulleys, kick starter, final reduction Chassis Suspension: Front wheel, front brake, front suspension, rear wheel, rear brake, rear suspension Electrical System: Battery charging system, A.C. generator, ignition system, starting system Controls Accessories: Frame covers, exhaust muffler, lights, instruments, and switches Emission Control: Evaporative emission control system, exhaust emission control system Procedures Included Maintenance: Scheduled maintenance, lubrication, fluid checks and changes Repair: Step-by-step repair procedures for all major components Disassembly Assembly: Complete disassembly and reassembly of the machine Troubleshooting: Diagnostic procedures and solutions for common issues Technical Depth Depth: Comprehensive from basic inspection to complete engine and chassis rebuilds 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF, allowing for quick information retrieval Print Quality Printability: Yes, printable Compatibility Operating Systems: WINDOWS and MAC Requirements Software Requirement: Adobe PDF Reader Visual Aids Illustrations: Hundreds of photos and illustrations ⚙️ Engine Specifications Primary Engine Engine Type: Likely a 4-stroke, single-cylinder, air-cooled (common for this class of ATV) Displacement: Approximately 90cc (based on model name) Performance Horsepower Range: Typically in the 5-8 HP range for a 90cc engine of this era. Torque Range: Estimated 4-6 lb-ft. Fuel System Carburetion: Likely a CV carburetor, specific model to be detailed in the manual. Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) 🔧 Transmission Standard Transmission Type: Automatic CVT (Continuously Variable Transmission) with forward, neutral, and reverse gears. Features Drive Type: Chain drive to rear axle. 📐 Dimensions Exterior Wheelbase: Specific figures will be in the manual, but typically around 40-45 inches for this class. Weights Dry Weight: Likely in the 200-250 lbs range. 🛡️ Safety Features Active Features Braking System: Drum brakes front and rear, or potentially a disc brake on the rear. Manual will detail specifications and procedures. Passive Features Rollover Protection: Standard ATV design, though the manual might cover related structural components. 💡 Technology Features Infotainment Features: Basic; typically includes odometer, trip meter, neutral indicator, and possibly oil pressure/high temp warning lights. Driver Assistance Features: None in the modern automotive sense. Focus is on mechanical operation and basic electrical indicators. 🔧 Maintenance Service Intervals Oil Change: Typically every 100-200 operating hours or annually. Manual will provide specific intervals. Air Filter Cleaning: Recommended every 50-100 operating hours or more frequently in dusty conditions. Fluid Specifications Engine Oil Type: Likely a SAE 10W-40 or 20W-50 motorcycle/ATV specific oil. Manual will confirm API service classification and viscosity. Transmission Fluid: If separate, manual will specify type. Often shares engine oil in ATVs. Brake Fluid: DOT 3 or DOT 4 brake fluid. Manual will specify. Known Issues Common Wear Items: Brake pads, tires, drive belt (CVT), spark plugs, air filters are common wear items. Carburetor Tuning: Carburetors can be sensitive to altitude and fuel quality, requiring periodic adjustment/cleaning. 📚 Vehicle History Brand Heritage Manufacturer: Kymco (Kwang Yang Motor Co., Ltd.) - Taiwanese manufacturer known for scooters and ATVs. Model Evolution Classification: Represents Kymco's offering in the youth/entry-level ATV segment.