This manual covers the All-Terrain Vehicle (ATV) for the model years 2007 through 2011. Known for its robust engineering and reliability, the 350 IRS is designed for utility and off-road performance. Its key features include selectable 2WD/4WD with an electronic front differential lock for enhanced traction, independent rear suspension for improved comfort and handling, and a powerful 348cc liquid-cooled engine. With a substantial towing capacity and generous rack storage, this ATV is well-suited for various work and recreational activities. The heritage in building quality ATVs is evident in the durable construction and dependable performance of the 350 IRS. This comprehensive English-language manual provides complete workshop repair and maintenance information, alongside essential operation and specification details for the owner. It serves as an indispensable resource for maintaining and repairing your 350 IRS 4x4. Coverage includes detailed procedures for the engine, fuel system, ignition, cooling, exhaust, transmission, drivetrain, suspension, brakes, steering, electrical systems, chassis, and wheels/tires. You will find in-depth guidance on basic maintenance, troubleshooting, engine rebuilds, transmission service, suspension and brake system overhauls, and electrical diagnostics, supported by exploded parts diagrams and clear illustrations. 🏷️ Basic Information Identification Make: Yamaha Model: Grizzly 350 IRS Model Variant: IRS 4x4 Years Covered: 2007, 2008, 2009, 2010, 2011 Vehicle Type: All-Terrain Vehicle (ATV) Codes Engine Family: 1UY 👋 Introduction Market Position Positioning: Essential resource for owners and technicians working on the Yamaha Grizzly 350 IRS 4x4 Competitive Analysis Advantage: Combines comprehensive service information with essential owner's manual data in a user-friendly digital format. Key Features Feature 1: Year-specific accuracy for 2007-2011 models. Feature 2: Detailed repair procedures with visual aids. Feature 3: Includes both Service and Owner's Manuals for complete coverage. Feature 4: Enhanced digital format with bookmarking and search functionality. 📋 Manual Details Coverage Areas Service Manual Coverage: Complete workshop repair and maintenance Owner Manual Coverage: Operation, maintenance, specifications Page Count Service Manual Estimated Pages: 600+ Owner Manual Estimated Pages: 100+ Manual Type Primary Manual Type: Service Manual (Workshop Repair) Secondary Manual Type: Owner's Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnosis, tuning, specific components Fuel System: Carburetor, fuel pump, lines, filters Ignition System: CDI, ignition coil, spark plugs, wiring Cooling System: Radiator, fan, coolant, thermostat Exhaust System: Muffler, pipes, heat shields Transmission: Automatic transmission (Ultramatic), gearbox, driveshafts Drivetrain: Front differential, rear differential, drive shafts, U-joints Suspension: Front (independent), Rear (independent), shocks, A-arms, bushings Brakes: Front and rear disc brakes, hydraulic system, master cylinder, calipers, pads Steering: Handlebars, steering shaft, tie rods, ball joints Electrical System: Wiring diagrams, battery, charging system, lighting, starter Chassis Frame: Frame inspection, mounts, body panels Wheels Tires: Tire pressure, wheel removal, bearings Procedures Included Basic Maintenance: Oil changes, filter replacements, lubrication, spark plug service Troubleshooting: Diagnostic procedures for common and complex issues Engine Rebuild: Piston, rings, cylinder head, valve adjustments, timing chain Transmission Service: Fluid checks, replacement, internal component inspection Suspension Repair: Shock absorber replacement, bushing replacement, alignment checks Brake System Overhaul: Brake pad replacement, caliper servicing, bleeding the system Electrical Diagnosis: Component testing, wiring harness repair, diagnostic codes (if applicable) Carburetor Adjustment And Rebuild: Jetting, idle speed, mixture, float level, cleaning Wheel Bearing Replacement: Removal, installation, proper torque specifications Drive Shaft And U Joint Service: Inspection, lubrication, replacement Technical Depth Depth: Comprehensive (from basic maintenance to complete engine/transmission rebuilds) Diagnostic Capabilities: Detailed troubleshooting flowcharts and electrical diagnostics Diagrams And Illustrations: Detailed exploded parts diagrams, wiring schematics, and step-by-step procedural illustrations 📊 Manual Specifications File Format Digital Format: PDF Searchability: Keyword searchable (Ctrl+F enabled) Bookmarking: Yes Print Quality Printability: Printable Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: 4-Stroke, SOHC, 2-valve Displacement: 348cc Bore X Stroke: 83.0 mm x 64.5 mm Cooling System: Liquid-cooled Performance Horsepower Estimated: Approx. 20-22 HP @ 6500 RPM (varies by region/tuning) Torque Estimated: Approx. 20-22 lb-ft @ 5500 RPM (varies by region/tuning) Fuel System Fuel Delivery: Mikuni BSR33 carburetor Fuel Type: Unleaded gasoline, 87 octane or higher Fuel Tank Capacity: 3.2 US gal (12 L) Ignition System Ignition Type: TCI (Transistor Controlled Ignition) Lubrication Oil Type: Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher Oil Capacity: 1.75 US qt (1.65 L) with filter change Spark Plug Recommended Spark Plug: NGK CR7E or DENSO U22FS-U 🔧 Transmission Standard Transmission Type: Automatic (Yamaha Ultramatic®) Drive Selection: 2WD/4WD with differential lock Features Features: Engine braking, selectable 2WD/4WD with electronic front differential lock Fluid Specifications Final Drive Oil Type: Yamalube Gear Oil (or equivalent) SAE 80W API GL-4 Fluid Capacities Final Drive Oil Capacity: 0.18 US qt (0.17 L) 📐 Dimensions Exterior Overall Length: 76.8 in (1950 mm) Overall Width: 41.5 in (1055 mm) Overall Height: 45.7 in (1160 mm) Wheelbase: 49.2 in (1250 mm) Weights Dry Weight: 573 lbs (260 kg) Ground...