The Grizzly, covering models 350 and 400 from 2003 to 2010, is a robust utility all-terrain vehicle renowned for its durability and off-road prowess. Engineered with a focus on reliability and performance, these models offer selectable 2WD/4WD capabilities, making them suitable for a wide range of demanding tasks and recreational activities. The commitment to quality is evident in the Grizzly's capable engine, sturdy chassis, and user-friendly design, establishing it as a dependable choice for ATV enthusiasts and those requiring a versatile workhorse. This comprehensive factory service repair workshop manual provides in-depth guidance for all maintenance, servicing, and troubleshooting procedures for the Grizzly 350 and 400. Covering every essential system from the engine, fuel, and ignition to the transmission, brakes, and electrical components, this English-language manual offers detailed instructions, including step-by-step repair guides, rebuild procedures, adjustments, and comprehensive wiring diagrams. It is designed to empower owners and technicians alike, ensuring the longevity and optimal performance of the vehicle through accurate, factory-level information. 🏷️ Basic Information Identification Make: Yamaha Model: Grizzly Model Variant: 350 / 400 Drive Type: 2WD / 4WD Generation Production Years Covered: 2003-2010 👋 Introduction Market Position Target Audience: Yamaha Grizzly owners, ATV enthusiasts, independent repair shops Competitive Analysis Advantage: Comprehensive factory-level information for essential ATV maintenance and repair, lifetime access Key Features Content Type: Factory service manual, workshop manual, repair manual Delivery Method: Instant PDF download Pricing Model: One-time purchase, no recurring fees or expiry 📋 Manual Details Coverage Areas General Coverage: All repairs, servicing, and troubleshooting procedures Page Count Estimated Page Count: Hundreds of pages Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine disassembly, assembly, inspection, troubleshooting, tuning, and rebuilding Fuel System: Fuel pump, carburetor (or fuel injection if applicable), fuel lines, fuel filter inspection and replacement Ignition System: Ignition coil, spark plugs, CDI unit, timing inspection and adjustment Cooling System: Radiator, coolant, water pump, thermostat, fan operation and maintenance Transmission Drivetrain: Transmission overhaul, clutch inspection, drive shafts, differentials, and final drive maintenance Suspension: Front and rear suspension components, shock absorbers, bushings, and alignment procedures Brakes: Brake system inspection, hydraulic lines, brake pads, rotors, calipers, and bleeding procedures Electrical System: Wiring diagrams, battery, charging system, lighting, starter motor, and all electrical components troubleshooting Chassis Frame: Frame inspection, welds, and chassis component mounting Bodywork: Body panels, fenders, racks, and plastic component removal and installation Steering: Steering column, tie rods, wheel hub inspection and adjustment Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacement, lubrication Troubleshooting: Diagnostic procedures for common and complex issues across all systems Repair: Step-by-step instructions for component repair and replacement Rebuilds: Detailed instructions for engine and transmission rebuilds Adjustments: Carburetor tuning, valve adjustments, brake adjustments Wiring Diagrams: Comprehensive electrical system wiring schematics Technical Depth Depth: Professional level, suitable for mechanics and advanced DIY users Detail Level: Hundreds of pages with detailed photos & diagrams, exploded views 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within the PDF Print Quality Printability: Printable (single page or entire manual) Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Usage Rights Licensing: Lifetime use on unlimited computers ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, SOHC, 2-valve (typical for this era/model) Engine Displacement 350: Approximately 348cc (specific model may vary slightly) Engine Displacement 400: Approximately 386cc (specific model may vary slightly) Performance Horsepower 350: Estimated 21-23 HP (typical) Horsepower 400: Estimated 26-28 HP (typical) Fuel System Carburetor Type: Mikuni (common, specific model varies, e.g., Mikuni BSR33/34) Fuel Type: Unleaded gasoline 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Drive Modes: 2WD / 4WD (selectable, often with differential lock) Features Gear Selection: Forward (High/Low range), Neutral, Reverse Cv Belt Maintenance: Inspection and replacement procedures for the CVT belt are covered 📐 Dimensions Weights Dry Weight 350: Approx. 560-590 lbs (varies by 2WD/4WD and specific options) Dry Weight 400: Approx. 575-610 lbs (varies by 2WD/4WD and specific options) Towing Capacity: Typically rated at 1,000-1,322 lbs (consult specific model specs) Rack Capacity Front: Typically rated at 99 lbs Rack Capacity Rear: Typically rated at 187 lbs 🛡️ Safety Features Active Features Braking System: Front hydraulic disc brakes, Rear sealed drum brake or disc brake (model dependent) Passive Features Frame Construction: Steel tube frame designed for off-road use Lighting: Dual sealed-beam headlights, brakelight/taillight 💡 Technology Features Infotainment Features: Basic instrumentation: speedometer, odometer, hour meter, fuel gauge (depending on trim). Driver Assistance Features: 4WD selector, differential lock switch. Connectivity Features: N/A (No electronic connectivity features in the modern sense) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 1,000-1,500 miles or 6-12 months (refer to manual for precise intervals) Air Filter Cleaning: Frequent inspection and cleaning/replacement, especially in dusty conditions Spark Plug Replacement: Intervals of 3,000-5,000 miles or...