The Grizzly 350 and 400 series, produced from 2003 to 2010, represent a legacy of reliable and capable all-terrain vehicles. These models, identified by chassis codes YFM400FAR and YFM350FAS respectively, are engineered for a wide range of utility and recreational purposes, offering robust performance in various off-road conditions. The Grizzly line is renowned for its durable construction, comfortable ride, and the advanced Ultramatic® transmission with its effective engine braking system, ensuring confidence and control during demanding use. The manufacturer's long-standing reputation in ATV manufacturing is evident in the thoughtful design and engineering of these versatile machines. This comprehensive shop manual provides in-depth service and repair information for the Grizzly 350 and 400 models covering the years 2003 through 2010. It is meticulously designed to guide owners, DIY enthusiasts, and professional technicians through every aspect of vehicle maintenance and repair. The manual details routine maintenance procedures, engine overhauls, fuel and cooling system servicing, transmission and drivetrain work, suspension and steering adjustments, braking system repairs, and electrical system diagnostics. With clear, step-by-step instructions, detailed diagrams, and essential technical specifications, this resource empowers users to maintain their vehicle's peak performance, ensure longevity, and perform complex repairs efficiently, ultimately saving time and costs. 🏷️ Basic Information Identification Make: Yamaha Model: Grizzly 350 / 400 Chassis Code: YFM400FAR, YFM350FAS Generation Covered Years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 👋 Introduction Market Position Target Audience: Owners, DIY enthusiasts, and professional ATV technicians seeking comprehensive repair and maintenance information. Competitive Analysis Value Proposition: Provides professional-level repair guidance to save significant costs compared to dealership or independent shop labor charges. Key Features Ease Of Use: Step-by-step instructions, clear visuals, and intuitive layout make complex repairs accessible. Information Density: Comprehensive coverage of all aspects of service, maintenance, and repair for all specified models. 📋 Manual Details Coverage Areas Manual Title: Yamaha GRIZZLY 350 400 YFM400FAR YFM350FAS Shop Manual Manual Purpose: Service & Repair Page Count Estimated Page Count: Not Specified (Full Professional Quality In-depth) Manual Type Manual Type: Shop Manual / Service Manual / Repair Manual Language Language: English Format File Format: PDF Downloadable: Yes Compatibility: PC, MAC, Linux, Tablets, Smartphones 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, disassembly, assembly, inspection, timing, valve adjustments, piston and cylinder work, crankshaft and connecting rod service. Fuel System: Carburetor(s) specifications, cleaning, adjustment, fuel pump, fuel lines, fuel tank maintenance. Cooling System: Radiator, fan, coolant specifications, thermostat, water pump service. Ignition System: Ignition timing, spark plugs, ignition coil, CDI unit troubleshooting. Transmission: Automatic transmission operation, maintenance, lubrication, troubleshooting, internal components. Drivetrain And Axles: Drive shafts, CV joints, differentials (front and rear), hub assembly service. Suspension And Steering: Front and rear suspension components, shock absorbers, ball joints, tie rods, steering system, steering column, rack and pinion. Braking System: Brake caliper service, brake pads, brake discs, brake lines, master cylinder, bleeding procedure. Electrical System: Wiring diagrams, battery maintenance, starter system, charging system (stator, regulator/rectifier), lighting, switches, fuses. Body And Frame: Frame inspection, body panel removal and installation, fenders, plastics, seat service. Procedures Included Routine Maintenance: Oil changes, filter replacements, air filter service, spark plug checks, lubrication points, tire pressure checks. Troubleshooting: Diagnostic charts, symptom analysis, step-by-step troubleshooting guides for common and uncommon issues. Repair Procedures: Detailed, step-by-step instructions for all major and minor repair tasks, from simple adjustments to complete component overhauls. Assembly Disassembly: Complete instructions for removing and reinstalling all major components and sub-assemblies. Wiring Diagrams: Comprehensive and detailed wiring diagrams for the entire electrical system, facilitating diagnostics and repairs. Technical Depth Diagnostic Capabilities: Advanced diagnostic procedures, including electrical testing, component testing, and performance analysis. Rebuild Instructions: Detailed instructions for complete engine, transmission, and differential rebuilds. Specifications And Tolerances: Precise technical specifications, torque values, and measurement tolerances for all components. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Designed for clear viewing on screen and printable for workshop use. Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Quality: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type 350: 4-stroke, SOHC, 2-valve, air-cooled Engine Type 400: 4-stroke, SOHC, 2-valve, liquid-cooled Displacement 350: 348cc Displacement 400: 386cc Performance Bore X Stroke 350: 83 mm x 64.5 mm Bore X Stroke 400: 94 mm x 69 mm Compression Ratio 350: 8.7:1 Compression Ratio 400: 9.2:1 Fuel System Carburetor Type 350: Teikei Y26PV (Diaphragm type) Carburetor Type 400: Teikei Y30PV (Diaphragm type) 🔧 Transmission Standard Transmission Type: Automatic (Yamaha Ultramatic® withσουν Engine Braking System) Drive System: Shaft Drive (2WD/4WD selectable with limited-slip front differential) Features Gear Selection: H (High), L (Low), N (Neutral), R (Reverse), P (Park) 📐 Dimensions Exterior Overall Length Approx: 78.7 inches (2000 mm) Overall Width Approx: 42.1 inches (1070 mm) Overall Height Approx: 45.3 inches (1150 mm) Weights Dry Weight Approx 350: 567 lbs (257 kg) Dry Weight Approx 400: 595 lbs (270...