This manual covers the All-Terrain Vehicle (ATV) models 350 and 400, chassis codes YFM350 and YFM400, for the production years 2003 through 2012. These robust 4WD ATVs are engineered for reliability and performance, offering a blend of power and utility suitable for various off-road applications. The reputation for quality is evident in the Grizzly's durable construction and capable driveline, making it a trusted companion for work or recreation. This comprehensive Workshop Service Repair Manual provides detailed information for the complete service, repair, and maintenance of your Grizzly ATV. It includes step-by-step instructions, troubleshooting guides, diagnostic procedures, and technical specifications covering all major systems, from the engine and transmission to the electrical and suspension components. This manual is an essential resource for owners and technicians aiming to keep their Grizzly operating at peak performance and to undertake repairs efficiently. 🏷️ Basic Information Identification Make: Yamaha Model: Grizzly Model Variant: 350 / 400 Chassis Codes: YFM350, YFM400 Vehicle Type: All-Terrain Vehicle (ATV) Drivetrain: 4WD 👋 Introduction Market Position Market Position: Essential resource for Yamaha Grizzly 350/400 4WD owners and independent repair shops, providing DIY repair capabilities to reduce maintenance costs. Competitive Analysis Competitive Analysis: Offers comprehensive coverage comparable to official manufacturer service manuals, enabling owners to perform a wide range of repairs typically handled by dealerships. Key Features Key Features: Step-by-step instructions, extensive illustrations, comprehensive coverage of all models and year ranges within the specified period, user-friendly digital format for accessibility across multiple devices. Value Proposition Value Proposition: Empowers users to save significant money on repairs and maintenance by providing the knowledge and procedures typically found only in professional service manuals. 📋 Manual Details Coverage Applicable Years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Coverage Areas: Complete Service, Repair, Troubleshooting, Maintenance, Diagnostics Format Format: PDF Download Delivery Method: Instant Email Delivery Computer Compatibility: All PC & MAC Computers, Tablets, Smartphones Required Software: Adobe Reader (Free) Language Language: English Manual Type Manual Type: Workshop Service Repair Manual 📖 Manual Coverage Systems Systems Covered: Engine (all aspects), Transmission, Drivetrain (4WD system), Fuel System, Ignition System, Cooling System, Exhaust System, Electrical System (wiring diagrams, lighting, starting, charging), Braking System (hydraulic, parking), Suspension System (front and rear), Steering System, Chassis, Frame, Bodywork, Wheels, Tires, Controls, Accessories Procedures Procedures Included: Routine Maintenance (oil changes, filter replacements, lubrication), Scheduled Servicing, Engine Repair (top-end rebuild, bottom-end rebuild, valve adjustments, piston/cylinder replacement), Transmission Overhaul, Drivetrain Component Repair (CV joints, drive shafts, differentials), Fuel System Troubleshooting and Repair (carburetor, fuel pump), Ignition System Diagnostics, Cooling System Servicing, Brake System Overhaul, Suspension Component Replacement, Steering System Repair, Electrical Troubleshooting, Wiring Diagram Interpretation, Component Installation and Removal, Torque Specifications, Special Tools Recommendations Depth Technical Depth: Comprehensive A-Z coverage, step-by-step instructions, detailed diagrams and illustrations, troubleshooting guides, diagnostic procedures, rebuild procedures, specifications and tolerances. 📊 Manual Specifications File File Format: PDF (Portable Document Format) Searchable Text: Likely searchable due to PDF format, facilitating quick information retrieval. Print Print Quality: High quality, enabling clear printing of all text and diagrams. Print Options: Printable by page, chapter, or entire document. Binding Binding Type: N/A (Digital Download) Paper Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine 350 Engine Type 350: Air-cooled, 4-stroke, SOHC, 2-valve Displacement 350: 348 cc (Cubic Centimeters) Primary Engine 400 Engine Type 400: Liquid-cooled, 4-stroke, SOHC, 4-valve Displacement 400: 386 cc (Cubic Centimeters) Performance General Bore Stroke 350: Refer to manual for specific dimensions (e.g., ~83 mm x 64.5 mm for typical 350cc SOHC) Bore Stroke 400: Refer to manual for specific dimensions (e.g., ~82 mm x 71.2 mm for typical 386cc SOHC) Fuel System Fuel Delivery 350: Mikuni BSR33 carburetor (typical) Fuel Delivery 400: Mikuni BSR42 carburetor (typical) Fuel Type: Unleaded Gasoline Ignition Ignition System: T.C.I. (Transistor Controlled Ignition) Cooling Cooling System 350: Air-cooled Cooling System 400: Liquid-cooled (Radiator and Fan) 🔧 Transmission Type Transmission Type: Automatic (Yamaha's Ultramatic® CVT - Continuously Variable Transmission) Features Transmission Features: Engine braking, centrifugal clutch, belt drive, selectable high/low range and reverse. Fluid Transmission Fluid Type: Yamalube (or equivalent) 4-stroke motorcycle oil or specific ATV transmission fluid. Fluid Capacity Transmission Fluid Capacity: Refer to manual for exact capacity (typically around 1.5-2.0 liters for CVT systems). 📐 Dimensions Exterior General Length: Varies by model year and specific Grizzly variant (e.g., approx. 2,005 mm for some 350 models). Width: Varies by model year and specific Grizzly variant (e.g., approx. 1,095 mm for some 350 models). Height: Varies by model year and specific Grizzly variant (e.g., approx. 1,160 mm for some 350 models). Weights Dry Weight: Varies by model (e.g., approx. 247 kg for some 350 models). Towing Towing Capacity: Refer to manual for specific rating (typically around 600 lbs / 270 kg). 🛡️ Safety Features Ratings Safety Ratings: ATVs are not typically subjected to crash test ratings like automobiles. Safety is dependent on proper...