🏷️ Basic Information Identification Make: Yamaha Model Family: Bruin / Grizzly Model Codes: • YFM350A • YFM350FA • YFM400FA Model Years Covered: 2004, 2005, 2006, 2007 Vehicle Type: All-Terrain Vehicle (ATV) Generation Generation: First Generation (for these specific models/years) 👋 Introduction Market Position Target Audience: ATV Owners, DIY Mechanics, Service Technicians Competitive Analysis Value Proposition: Provides factory-level repair information, enhanced digital features (bookmarks, search), and superior quality compared to scanned alternatives. Key Features Manual Enhancements: Improved PDF with bookmarks, sub-bookmarks, searchability, and index for efficient navigation. Coverage Breadth: Covers all specified Yamaha Bruin and Grizzly models for the 2004-2007 model years. 📋 Manual Details Coverage Areas Manual Type: Factory Repair Manual Language: English Format: Improved PDF Download Digital Features: • Bookmarks • Sub bookmarks • Searchable Text • Index Compatibility: • ALL Windows • ALL Mac • ALL Linux Download Type: Instant Download Physical Options: • Printable Pages • Burn Backup CD Page Count Page Count Estimate: Hundreds of Pages 📖 Manual Coverage Systems Covered Primary Systems: • General Information • Specifications • Periodic Checks & Adjustments • Chassis • Engine • Cooling System • Fuel Injection System • Electrical System • Troubleshooting • Wiring Diagrams Procedures Included Maintenance Procedures: • Fluid changes (oil, coolant) • Filter replacements (air, oil, fuel) • Spark plug inspection/replacement • Chain/belt adjustments • Brake system checks and adjustments • Suspension adjustments • Tire pressure checks • Battery maintenance Repair Procedures: • Engine overhaul (top end, bottom end) • Carburetor/Fuel Injection system service • Ignition system diagnosis and repair • Transmission service and repair • Drivetrain (CVT, drive shafts) service • Brake system overhaul (calipers, lines, master cylinder) • Suspension component replacement (shocks, A-arms) • Steering system service • Electrical system diagnosis (wiring, components) • Lighting system repair • Cooling system leak repair and component replacement • Frame and bodywork repairs Technical Depth Depth Of Coverage: Complete Factory-Level Repair and Service Diagnostic Capabilities: Comprehensive Troubleshooting Guide 📊 Manual Specifications File Format File Type: PDF Print Quality Quality Description: Improved Quality (NOT A SCAN!) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download, Printable) ⚙️ Engine Specifications Primary Engine Engine Type 350: Air-cooled, 4-stroke, SOHC, 2-valve Engine Type 400: Liquid-cooled, 4-stroke, SOHC, 2-valve Displacement 350: 348cc Displacement 400: 386cc Bore Stroke 350: Approx. 83.0 mm x 64.5 mm Bore Stroke 400: Approx. 82.0 mm x 71.0 mm Compression Ratio 350: Approx. 8.8:1 Compression Ratio 400: Approx. 8.7:1 Performance Horsepower Estimate 350: Approx. 19-20 HP @ 6000 RPM Torque Estimate 350: Approx. 20-21 lb-ft @ 4500 RPM Horsepower Estimate 400: Approx. 22-24 HP @ 6000 RPM Torque Estimate 400: Approx. 24-26 lb-ft @ 4500 RPM Fuel System Fuel Delivery 350: Carburetor (Mikuni BSR33) Fuel Delivery 400: Fuel Injection (Electronic Fuel Injection - EFI) Fuel Type: Unleaded Gasoline Fuel Tank Capacity: Approx. 3.7 gallons (14 Liters) 🔧 Transmission Standard Transmission Type: Automatic (Yamaha Constant Velocity Transmission - Y.C.V.T.) Drive Modes: • 2WD • 4WD (selectable) Gear Selection: • High (H) • Low (L) • Neutral (N) • Reverse (R) • Park (P) Features Drive System: Shaft Drive (with front differential) 📐 Dimensions Exterior Overall Length: Approx. 77.2 in (1960 mm) Overall Width: Approx. 43.7 in (1110 mm) Overall Height: Approx. 45.3 in (1150 mm) Wheelbase: Approx. 49.2 in (1250 mm) Weights Dry Weight Approx: Approx. 560-580 lbs (254-263 kg) depending on 2WD/4WD Ground Clearance: Approx. 7.1 in (180 mm) 🛡️ Safety Features Ratings Atv Safety Standards: Manual provides guidance adhering to general ATV safety principles. Active Features Braking System: Hydraulic disc brakes (front and rear) Passive Features Lighting: Halogen headlights, taillight/stoplight Ergonomics: Designed for rider control and comfort during operation. 💡 Technology Features Infotainment Infotainment System: N/A (Basic Utility ATV) Driver Assistance Driver Assistance Features: N/A Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific mileage/hour intervals (typically every 100-200 operating hours or annually). Air Filter Cleaning: Frequent checks recommended, especially in dusty conditions. Cleaning/replacement interval varies. Spark Plug Inspection: Refer to manual for recommended intervals (e.g., every 500-1000 operating hours). Fluid Specifications Engine Oil Type: Yamalube (or equivalent SAE 10W-40, API SG or higher, JASO MA certified) Engine Oil Capacity: Approx. 1.8 US qt (1.7 L) (with filter change) Coolant Type 400: Ethylene Glycol based antifreeze (50/50 mix with distilled water) Brake Fluid Type: DOT 3 or DOT 4 Hydraulic Brake Fluid Gear Oil Type: Yamalube SAE 80 Hypoid Gear Oil (or equivalent) Known Issues Common Wear Items: • Brake pads • Tires • CVT belt • Spark plugs • Air filter Potential Engine Issues: Carburetor gumming (if fuel sits), occasional starter solenoid issues, normal wear and tear on piston rings and valve seats. Potential Drivetrain Issues: CVT belt wear, potential issues with front differential seals or bearings under heavy use. 📚 Vehicle History Brand Heritage...