Basic Information Identification Make: Kymco Model: KXR 90 Applicable Years: 2003, 2004, 2005, 2006, 2007 Introduction Market Position Target Demographic: Designed for youth riders and entry-level off-road enthusiasts Key Features Ease Of Use: Automatic transmission and simple controls make it approachable for beginners Durability: Built with durable components suitable for off-road conditions Value Proposition Manual Purpose: To help owners and technicians maintain and repair the Kymco KXR 90 effectively, maximizing its lifespan and performance. Manual Details Coverage Manual Type: Workshop Repair Service Manual Language: English Format File Format: PDF Accessibility Delivery Method: Electronic Download via Email Usability Printability: Yes Manual Coverage Scope Repair And Overhaul: Comprehensive procedures for repair and overhaul Target Audience Technician Familiarity: Assumes technician is conversant with general automobile practices Focus Areas Product Specific Aspects: Emphasizes special aspects of the Kymco KXR 90 Component Information Proprietary Components: Includes instructions for proprietary component manufacturers Maintenance Tune Ups: Detailed tune-up procedures Routine Servicing: Information and procedures for routine maintenance and servicing Diagnostics Troubleshooting: Diagnostic and repair procedures for troubleshooting Repair Procedures Removal And Installation: Step-by-step removal and installation procedures Assemblies And Disassemblies: Detailed assembly and disassembly instructions Systems Fuel System: Comprehensive coverage of the fuel system Ignition System: Detailed information on the ignition system Lubrication System: Procedures for the lubrication system Exhaust System: Information on the exhaust system Electrical System: Extensive coverage of the electrical system Bodywork: Procedures related to the vehicle body Engine Transmission Engine Disassembly: Extensive repair involving engine disassembly Transmission Disassembly: Extensive repair involving transmission disassembly Manual Specifications File Quality Accuracy Assurance: Endeavored to ensure accuracy of information Completeness Completeness Statement: Contains all necessary instructions for any repair Value Proposition Owner Benefit: Enables owners to be better informed and repair like a professional Comparison To Dealer Dealer Information Inclusion: Includes many specifications and procedures available in dealer service departments Cost Saving Diy Savings: Saves money by avoiding shop labor and overhead costs Safety Emphasis Safety Precautions: Essential use of safety equipment and precautions Tool Requirements Special Tools: Refers to recommended or required special tools, often identified by Kymco special tool numbers Torque Wrench: Recommends use of a torque wrench for fastener tightening to specifications Engine Specifications General Engine Type: Single-cylinder, air-cooled (based on typical KXR 90 specifications) Displacement Engine Displacement: 90cc (nominal, typical for KXR 90 models) Fuel System Carburetion: Carburetor (specific model and settings detailed in manual) Ignition Ignition System Type: CDI (Capacitor Discharge Ignition) (typical for this class of ATV) Transmission Type Transmission Type: Automatic (CVT - Continuously Variable Transmission) (typical for Kymco KXR 90) Features Drive System: Chain drive to rear axle (typical for KXR 90) Dimensions General Vehicle Type: All-Terrain Vehicle (ATV) Technology Features General Technology Level: Basic, functional design focused on reliability and ease of use Controls Throttle Control: Thumb throttle (standard for ATVs) Braking Control: Handlebar-mounted brake levers for front and rear brakes Maintenance Service Intervals Oil Change Interval: Typically every 6 months or 100 hours of operation (refer to manual for exact specifications) Air Filter Maintenance: Regular inspection and cleaning/replacement based on usage conditions (detailed in manual) Spark Plug Maintenance: Inspection and gap adjustment/replacement at specified intervals (refer to manual) Fluid Specifications Engine Oil Type: SAE 10W-40 or 20W-50 API SG or higher (verify specific grade and quantity in manual) Gear Oil Type: Refer to manual for specific gearbox oil and quantity (often shared with engine oil or a separate specification) Known Issues Common Wear Items: Brake pads, tires, drive belt (CVT), carburetor adjustments (typical for this age and type of vehicle) Carburetor Performance: Potential for clogging or maladjustment over time, impacting engine performance Electrical Connections: Corrosion or loose connections in wiring harness can cause intermittent issues Vehicle History Brand Manufacturer: Kymco (Kwang Yang Motor Co., Ltd.) Model Line Model Segment: Entry-level youth ATV