The 2007 Grizzly 350 IRS is a capable all-terrain vehicle renowned for its robust engineering and comfortable Independent Rear Suspension (IRS) system, which enhances ride quality and handling across varied terrain. This mid-displacement utility ATV is powered by a reliable 349cc liquid-cooled engine paired with an automatic transmission, offering selectable 2WD/4WD and a durable shaft drive. Designed for both recreational trail riding and demanding utility tasks, the Grizzly 350 IRS features a sturdy chassis, ample rack capacity, and the proven reliability characteristic of off-road legacy. This comprehensive service manual provides detailed guidance for the maintenance, repair, and troubleshooting of the 2007 Grizzly 350 IRS. It covers all major systems, including the engine, transmission, drivetrain, suspension, brakes, and electrical components, with step-by-step instructions for disassembly, assembly, and routine maintenance. The manual includes essential technical specifications, torque values, wiring diagrams, and diagnostic procedures to assist owners, technicians, and mechanics in keeping the ATV in optimal condition and resolving any potential issues efficiently. 🏷️ Basic Information Identification Make: Yamaha Model: Grizzly 350 IRS Year: 2007 Vehicle Type: All-Terrain Vehicle (ATV) Product Name: Yamaha Grizzly 350 IRS 2007 ATV Service Manual PDF Download 👋 Introduction Market Position Positioning: The Yamaha Grizzly 350 IRS (2007) was positioned as a mid-range, reliable utility ATV, known for its comfortable Independent Rear Suspension and robust build, suitable for recreational riding and light to moderate farm work. Competitive Analysis Competitors: Competed with models like the Honda Rancher 400, Suzuki King Quad 400, and Polaris Sportsman 400/500. Key Features Features: Independent Rear Suspension (IRS) for improved ride comfort and handling, robust 349cc engine, automatic transmission (CVT), shaft drive, durable chassis. Engine Size Class: Represents Yamaha's popular mid-displacement utility ATV segment. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive repair, maintenance, and troubleshooting for the 2007 Yamaha Grizzly 350 IRS ATV. Page Count Estimated Page Count: 300-400 pages (typical for this type of manual) Manual Type Type: Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine specifications, disassembly, assembly, troubleshooting, lubrication, cooling system. Transmission: Automatic transmission (CVT) operation, maintenance, repair, and troubleshooting. Drivetrain: Front and rear differential, drive shafts, CV joints, 4WD system (if applicable), maintenance and repair. Suspension: Independent Rear Suspension (IRS) system, front suspension, shock absorbers, bushings, alignment, repair procedures. Brakes: Front and rear brake systems, hydraulic lines, calipers, rotors, brake fluid specifications, bleeding procedures, troubleshooting. Electrical System: Ignition system, starting system, charging system (stator, rectifier/regulator), lighting, battery, wiring diagrams, troubleshooting. Fuel System: Carburetor specifications, cleaning, adjustment, fuel pump, fuel lines, fuel filter maintenance. Cooling System: Radiator, coolant specifications, thermostat, fan operation, troubleshooting. Frame And Body: Chassis, body panels, seating, racks, decals, plastic components, maintenance and repair. Steering: Steering column, tie rods, ball joints, troubleshooting steering issues. Procedures Included Maintenance: Regular maintenance checks, lubrication points, filter replacement, fluid changes, valve adjustments. Troubleshooting: Diagnostic charts for common problems, symptom-based troubleshooting guides. Disassembly And Assembly: Detailed step-by-step instructions for component removal and reinstallation. Torque Specifications: Accurate torque values for all critical fasteners. Special Tools: Identification of necessary special tools for specific procedures. Wiring Diagrams: Includes detailed electrical system wiring diagrams for troubleshooting and repair. Wheel Alignment: Instructions for checking and adjusting front wheel alignment. Carburetor Rebuild: Step-by-step guidance for carburetor disassembly, cleaning, and reassembly. Differential Service: Procedures for checking and changing differential oil. Suspension Component Replacement: Guidance on replacing ball joints, bushings, and shock absorbers. Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds. Diagnostics: Includes diagnostic flowcharts for common engine, electrical, and drivetrain issues. 📊 Manual Specifications File Format Format: PDF Searchability: Likely includes searchable text for efficient information retrieval. Print Quality Quality: High-resolution scans with clear, legible text and detailed illustrations. Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, SOHC, single-cylinder Displacement: 349cc Bore X Stroke: 83 mm x 64.5 mm (estimated) Cooling System: Liquid-cooled Compression Ratio: 9.2:1 (estimated) Valve Actuation: SOHC (Single Overhead Camshaft) Performance Horsepower: Approx. 20-23 HP (estimated) Torque: Approx. 20-22 lb-ft (estimated) Fuel System Fuel Delivery: Mikuni BSR33 carburetor Fuel Type: Unleaded gasoline, 87 octane 🔧 Transmission Standard Transmission Type: Yamaha Constant Velocity (YCC-T) automatic transmission with Ultramatic® system. Drive Modes: H (High), L (Low), N (Neutral), R (Reverse), P (Park) Drive Type: Shaft Drive Features Drive System: Shaft drive to front and rear wheels. Differential: Sealed front and rear differentials, with on-command 4WD engagement. 📐 Dimensions Exterior Overall Length: Approx. 76.4 inches (1940 mm) Overall Width: Approx. 42.1 inches (1070 mm) Overall Height: Approx. 45.3 inches (1150 mm) Wheelbase: Approx. 49.2 inches (1250 mm) Ground Clearance: Approx. 11.7 inches (298 mm) Seat Height: Approx. 33.7 inches (855 mm) Weights Dry Weight: Approx. 514 lbs (233 kg) Towing Capacity: Approx. 1102 lbs (500 kg) Rack Capacity...