The Grizzly 350 IRS, model code YFM35, represents a robust mid-size utility ATV designed for hunters, recreational riders, farmers, and general utility users. Produced for the 2007, 2008, 2009, 2010, and 2012 model years, it offers various trim levels including 2WD, 4WD, IRS, and the specialized Hunter Edition. This ATV is engineered with a reliable, air-cooled, 348cc single-cylinder engine, known for its durability and ease of maintenance. Key features include an Independent Rear Suspension (IRS) system for enhanced comfort and handling over varied terrain, a selectable 2WD/4WD drive system with a locked front differential for superior traction, and a strong towing capacity of up to 500 kg. The legacy in ATV manufacturing underscores the Grizzly's reputation for reliability and off-road capability. This comprehensive workshop manual provides essential information for the maintenance and repair of the Grizzly 350 IRS. It covers all major systems, including detailed engine overhaul procedures, transmission operation and repair, chassis and suspension components, brake systems, and the electrical system with clear wiring diagrams. The manual also details body and frame, wheels and tires, and fuel system maintenance. Step-by-step instructions are provided for routine maintenance tasks such as oil changes, filter replacements, and valve adjustments, as well as troubleshooting common issues and complete component repair. Technical specifications, torque values, and diagnostic flowcharts are included to assist owners, mechanics, and technicians in keeping their Grizzly 350 IRS in optimal working condition. 🏷️ Basic Information Identification Make: Yamaha Model: Grizzly 350 IRS Model Code: YFM35 Production Years Covered: 2007, 2008, 2009, 2010, 2012 Trim Levels Covered: 2WD, 4WD, IRS, Hunter Edition Product Type: Service Repair Workshop Manual 👋 Introduction Market Position Category: Mid-size Utility ATV Target Audience: Hunters, recreational riders, farmers, general utility users seeking a capable and reliable ATV. Competitive Analysis Key Competitors: Honda FourTrax 350/400, Suzuki King Quad 300/350, Polaris Sportsman 330/400. Key Features Of Vehicle Ir S Suspension: Independent Rear Suspension provides superior comfort and handling over rough terrain compared to solid axle designs. Engine Type: Reliable, air-cooled, single-cylinder engine known for its durability and ease of maintenance. Drive System: selectable 2WD/4WD system with a locked front differential (on 4WD models) for enhanced traction in challenging conditions. Hunter Edition: Often includes features like enhanced camouflage, rugged tires, and sometimes upgraded racks or winches. 📋 Manual Details Coverage Areas Language: English Manual Type: Comprehensive Workshop Manual Format: PDF Download Page Count Estimated Page Count: Refer to specific manual listing for exact count (typically 400+ pages) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, diagnosis, tuning, performance specifications, lubrication system, cooling system, fuel injection system (if applicable), carburetor (if applicable), ignition system, emissions control. Transmission: Automatic transmission operation, diagnosis, disassembly, assembly, fluid specifications, torque converter, clutch system, driveshaft, differential (front and rear). Chassis And Suspension: Independent Rear Suspension (IRS) system, front and rear suspension components, shock absorbers, springs, control arms, bushings, steering system, wheel bearings, hubs. Brakes: Hydraulic brake system diagnosis, master cylinder, brake calipers, brake pads, brake discs, brake lines, bleeding procedures, parking brake system. Electrical System: Battery, starting system, charging system (stator, regulator/rectifier), lighting system (headlights, taillights, brake lights, indicators), ignition switch, wiring diagrams, fuses, relays, sensors, instrumentation (speedometer, odometer, fuel gauge). Body And Frame: Frame inspection, body panels, fenders, racks (front and rear), seat, handlebar, controls, plastics, VIN location. Wheels And Tires: Tire pressure recommendations, wheel specifications, lug nut torque, tire replacement. Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter, carburetor adjustment and cleaning (if applicable). Procedures Included Maintenance: Routine checks, oil changes, filter replacements, spark plug replacement, lubrication points, valve clearance adjustment, carburetor cleaning and adjustment, brake inspection and pad replacement, chain adjustment (if applicable), coolant flush and replacement. Troubleshooting: Diagnostic flowcharts for common problems, symptom-based troubleshooting for engine, electrical, and mechanical issues. Repair And Overhaul: Step-by-step instructions for disassembling, inspecting, repairing, and reassembling all major components and systems. Specifications And Measurements: Detailed technical specifications, torque values, clearances, tolerances, and measurement procedures for all serviceable parts. Wiring Diagrams: Comprehensive and clear electrical system wiring diagrams for easy troubleshooting. Technical Depth Depth: Comprehensive, covering everything from basic routine maintenance to full engine and transmission rebuilds, including detailed diagnostics and specifications. 📊 Manual Specifications File Format File Type: PDF Searchable: Yes (typically) Printable: Yes Print Quality Image Resolution: High-resolution, clear illustrations and diagrams 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, single-cylinder Displacement: 348cc Bore X Stroke: 83.0 mm x 64.5 mm Compression Ratio: 9.2:1 Valvetrain: SOHC, 2 valves Performance Horsepower: Approx. 22 hp @ 6500 rpm (Estimate, not explicitly stated in product info) Torque: Approx. 20 lb-ft @ 5000 rpm (Estimate, not explicitly stated in product info) Fuel System Fuel Delivery: Carburetor (Mikuni BSR33/1) Fuel Type: Unleaded gasoline (87 octane or higher) Lubrication System Oil Type: Yamalube 4 (or...