The Grizzly 350 4x4, produced for the 2012-2013 model years, is a robust all-terrain vehicle engineered for versatility and reliability. Known for its rugged construction and comfortable riding position, this mid-size utility ATV features a shaft-driven 4WD system with On-Command® engagement, a dependable air-cooled 348cc engine, and hydraulically operated disc brakes for confident stopping power. Its design prioritizes durability and ease of use, making it a capable companion for various tasks and terrains, often praised for its performance and reliability in its segment. This comprehensive service and repair workshop manual provides in-depth guidance for maintaining and troubleshooting the Grizzly 350 4x4. It covers all essential systems, including detailed engine overhaul procedures, transmission maintenance, drivetrain and suspension servicing, and electrical system diagnostics. The manual includes step-by-step repair instructions, rebuild procedures, adjustment guides, and clear wiring schematics, supported by hundreds of photos and exploded diagrams. This resource is designed to empower owners and technicians with the knowledge needed for effective upkeep and repairs, ultimately enhancing the longevity and performance of the vehicle. 🏷️ Basic Information Identification Make: Yamaha Model: Grizzly 350 4x4 Model Variant: 350 4WD Model Year: 2012-2013 Vehicle Type: All-Terrain Vehicle (ATV) 👋 Introduction Market Position Segment: Mid-size utility ATV, known for reliability and versatility. Competitive Analysis Competitors: Honda FourTrax, Polaris Sportsman, Kawasaki Brute Force. Key Features Distinguishing Features: Shaft-driven 4WD, reliable air-cooled engine, comfortable riding position, rugged construction. Value Proposition Manual Utility: Enables DIY maintenance, repairs, and troubleshooting, saving significant labor costs. 📋 Manual Details Coverage Areas Geographic Coverage: Global (factory specifications apply) Language: English Page Count Estimated Pages: Hundreds (specific count not provided, but described as extensive) Manual Type Type: Full Service & Repair Workshop Manual Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete overhaul, troubleshooting, diagnostics, carburetor, ignition, cooling, lubrication. Transmission: Automatic transmission (Ultramatic®), gear shifting mechanisms, clutch, drive shaft, differential maintenance. Drivetrain: 4x4 system, engage/disengage mechanisms, CV joints, wheel hubs, drive axles. Suspension: Front and rear suspension systems, shock absorbers, control arms, bushings, wheel bearings. Brakes: Hydraulic brake system, master cylinders, brake lines, calipers, brake pads, brake fluid specifications. Electrical: Starting system, charging system (stator, regulator/rectifier), battery maintenance, lighting, wiring diagrams, fuses, relays. Fuel System: Fuel tank, fuel pump, fuel filter, carburetor (Mikuni BS32), fuel lines, air filter maintenance. Cooling System: Radiator, fan, coolant type and capacity, thermostat operation. Bodywork Chassis: Frame inspection, body panel removal/installation, seat, handlebars, racks, fenders. Procedures Included Scheduled Maintenance: Detailed service intervals for oil changes, filter replacements, valve adjustments, lubrication points. Troubleshooting: Systematic diagnostic procedures for common and uncommon problems, fault finding charts. Repair Procedures: Step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly. Rebuilds: Engine, transmission, and carburetor rebuilds with detailed component specifications. Adjustments: Carburetor tuning, valve lash adjustment, brake lever free play, throttle cable adjustment. Diagnostics: Electrical system diagnostics, ignition timing checks, compression testing. Wiring Schematics: Comprehensive electrical wiring diagrams for all vehicle systems. Technical Depth Depth Level: Professional-grade; covers basic maintenance to complete engine and component overhauls. Diagnostic Capability: Advanced troubleshooting and diagnostic procedures. Visual Aids: Hundreds of detailed photos and exploded diagrams for clarity. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable PDF (typical for factory manuals). Print Quality Print Capability: Printable (single pages or entire manual). Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Compatibility Operating Systems: Windows and macOS compatible. Licensing Usage Rights: Unlimited use on multiple devices; no expiry date. ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, 4-stroke, SOHC, 2-valve Displacement: 348cc Bore X Stroke: 83.0 mm x 64.5 mm Compression Ratio: 9.2:1 Cooling System: Air-cooled with fan assist Performance Horsepower: Approx. 19.5 HP @ 6,500 RPM (estimate based on similar models) Torque: Approx. 20.1 lb-ft @ 5,000 RPM (estimate based on similar models) Fuel System Carburetor: Mikuni BS32, single Fuel Type: Unleaded gasoline, 87 octane or higher Lubrication Oil Type: Yamalube 4 (or equivalent) SAE 10W-40 or 20W-50 motorcycle oil (check manual for exact spec) Spark Plug Spark Plug Type: NGK CR7E (verify with manual) Valve Clearance Intake Clearance: 0.08 - 0.12 mm (0.003 - 0.005 in) (cold engine, verify with manual) Exhaust Clearance: 0.12 - 0.16 mm (0.005 - 0.006 in) (cold engine, verify with manual) 🔧 Transmission Standard Type: Yamaha Ultramatic® Continuously Variable Transmission (CVT) Drive System: Shaft drive, 4WD Features Gear Reduction: High/Low range with Neutral and Reverse Transmission Fluid Fluid Type: Yamalube Gear Oil (or equivalent 80W-90 gear oil) for final drive, CVT oil specifications in manual. 📐 Dimensions Exterior Length: Approx. 76.8 in (1950 mm) Width: Approx. 41.5 in (1055 mm) Height: Approx. 45.5 in (1155 mm) Weights Dry Weight: Approx. 562 lbs (255 kg) Ground Clearance: Approx. 10.8 in (275 mm) Capacities Fuel Capacity: 3.7 gal (14 L) with 1.0 gal reserve Engine Oil Capacity: Approx. 2.3 US qt (2.2 L) with filter change (verify with...