This workshop service repair manual provides comprehensive guidance for the YFM350X Warrior, a performance sport ATV manufactured between 1997 and 2002. Known for its agile handling and torquey 348cc engine, the Warrior was a popular choice for enthusiasts seeking reliable performance for recreational riding and trail use. This manual covers all essential vehicle systems, including the engine, fuel system, ignition, transmission, drivetrain, suspension, steering, brakes, electrical system, and chassis, ensuring owners and technicians have the resources needed to maintain and repair this capable machine. The purpose of this manual is to offer detailed instructions and technical specifications for the maintenance, troubleshooting, and repair of the YFM350X Warrior. It includes step-by-step procedures for all major components, diagnostic charts for common issues, and scheduled maintenance recommendations. Whether you are performing routine oil changes, adjusting the clutch, or diagnosing complex electrical faults, this comprehensive English-language resource will empower you to keep your Warrior in optimal condition, saving time and service costs. 🏷️ Basic Information Identification Make: Yamaha Model: YFM350X Model Nickname: Warrior Product Type: Workshop Service Repair Manual Codes Applicable Years: 1997, 1998, 1999, 2000, 2001, 2002 👋 Introduction Market Position Segment: Performance Sport ATV Target Audience: Enthusiasts seeking reliable performance and maintenance capabilities for their Yamaha YFM350X Warrior. Competitive Analysis Competitors: Honda TRX300EX, Suzuki LT250R/LT300EF, Kawasaki Mojave 250 Key Features Vehicle Highlight: Known for its agile handling and torquey engine, making it a popular choice for recreational riding and trail use. Manual Benefit: Inexpensive and effective method to maintain and repair the vehicle, saving on professional service costs. 📋 Manual Details Coverage Areas Vehicle Systems: Engine, Fuel System, Ignition System, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, Chassis, Bodywork Page Count Estimated Pages: 300+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, assembly, inspection, and repair procedures for the 348cc 4-stroke SOHC engine. Fuel System: Carburetor tuning, cleaning, and rebuilding (Mikuni VM series); fuel pump inspection and replacement. Ignition System: CDI unit testing, spark plug specifications, ignition timing adjustment. Transmission Drivetrain: 5-speed manual transmission with reverse; clutch adjustment and replacement; chain drive maintenance and adjustment; wheel bearing service. Suspension: Front independent A-arm suspension; rear swingarm suspension; shock absorber adjustment and replacement; grease points. Steering: Handlebar and steering stem bearing maintenance; tie rod end inspection. Brakes: Front dual hydraulic disc brakes; rear hydraulic disc brake; brake fluid specifications and bleeding procedures; pad inspection and replacement. Electrical System: Wiring diagrams, battery specifications, starter motor and system troubleshooting, lighting system diagnosis. Chassis Bodywork: Frame inspection, body panel removal and installation, seat maintenance, footpeg assembly. Procedures Included Maintenance: Scheduled maintenance checks, oil changes, filter replacements, lubrication points, chain tension adjustment. Troubleshooting: Diagnostic charts for common problems such as starting issues, poor running, and electrical faults. Repair: Step-by-step instructions for component repair, replacement, and overhaul. Diagnostics: Identification of faulty components and systems using symptom-based troubleshooting. Technical Depth Depth: Comprehensive coverage from basic user maintenance to in-depth mechanical and electrical diagnostics and repairs, suitable for home mechanics and professional technicians. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Likely Yes (standard for professionally produced PDFs) Print Quality Quality: High-resolution scans/digital creation, suitable for printing Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, Air-cooled Displacement: 348cc (348 cm³) Bore X Stroke: 83.0 mm x 64.5 mm Compression Ratio: 9.5:1 Performance Horsepower: Approx. 25-28 HP (Varies slightly by year/tuning) Torque: Approx. 20-22 lb-ft (Varies) Fuel System Carburetor Model: Mikuni VM32SS Fuel Type: Unleaded Gasoline, 87 Octane or higher Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) 🔧 Transmission Standard Type: 5-speed manual with Reverse Features Clutch Type: Wet, multi-disc Drive Type: O-ring sealed chain, 520 pitch Fluid Specifications Transmission Oil Type: Yamaha Genuine Yamalube 4 (or equivalent API SE, SF, SG, SH, SJ Service Classification SAE 20W-40 or 10W-30) Fluid Capacities Transmission Oil Capacity: 1.60 L (1.7 US qt) 📐 Dimensions Exterior Length: 1,845 mm (72.6 in) Width: 1,110 mm (43.7 in) Height: 1,045 mm (41.1 in) Wheelbase: 1,210 mm (47.6 in) Weights Dry Weight: 172 kg (379 lbs) Curb Weight: N/A (Typically not specified for ATVs in this era) Suspension Travel Front Suspension Travel: 230 mm (9.1 in) Rear Suspension Travel: 250 mm (9.8 in) 🛡️ Safety Features Ratings Atv Safety: As an ATV, rider safety is paramount and depends heavily on operator skill, protective gear, and adherence to trail conditions. Yamaha emphasizes safe riding practices. Active Features Brakes: Hydraulic disc brakes front and rear provide reliable stopping power. Passive Features Frame Construction: Robust steel frame designed for off-road durability. Tires: Knobby off-road tires for traction and stability. 💡 Technology Features Infotainment Features: N/A (No infotainment systems typically found on this model) Driver Assistance Features: N/A (No electronic driver assistance...