🏷️ Basic Information Identification Make: Yamaha Model: YFM400 Kodiak 4x4 / YFM350 Bruin 4x2 Model Years Covered: 2004, 2005, 2006, 2007, 2008 Codes Chassis Codes: YFM400F (Kodiak 4x4), YFM350X (Bruin 4x2) 👋 Introduction Market Position Target Audience: ATV owners, DIY mechanics, professional service technicians Competitive Analysis Value Proposition: Provides comprehensive, reliable repair information for extended vehicle lifespan and cost-effective maintenance Key Features Benefits: Instant access, printable pages, oil-resistant usability, instant repair capability Lifetime Policy: Lifetime protection/replacement policy for lost or damaged downloads 📋 Manual Details Coverage Areas Applicable Models: 2004-2008 Yamaha YFM400 Kodiak 4x4 ATV, 2004-2008 Yamaha YFM350 Bruin 4x2 ATV Manual Scope: Comprehensive repair and maintenance Page Count Estimated Page Count: Likely 300-500 pages (typical for this type of ATV service manual) Manual Type Type: Repair Manual / Service Manual / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed engine disassembly, assembly, inspection, and repair (including top-end, bottom-end, cooling, lubrication) Fuel System: Carburetor tuning, cleaning, rebuilding, fuel pump, fuel lines, fuel tank service Transmission Drive: Clutch operation, gearbox disassembly and assembly, drive shaft, differential, chain and sprocket maintenance Electrical System: Wiring diagrams, ignition system, charging system (stator, regulator/rectifier), starter motor, battery maintenance, lighting, switches Suspension Steering: Front and rear shock absorber service, suspension linkage, steering column, tie rods, wheel alignment Braking System: Brake caliper service, master cylinder repair, brake fluid flush, brake pad replacement, rotor inspection Bodywork Chassis: Frame inspection, body panel removal and installation, seat, fenders, rack maintenance Cooling System: Radiator service, fan operation, coolant type and capacity Lubrication System: Oil type, capacity, filter specifications, lubrication points Procedures Included Maintenance: Routine maintenance checks, oil changes, filter replacements, spark plug service, valve adjustments Troubleshooting: Diagnostic procedures for common issues, symptom-based troubleshooting guides Repair: Step-by-step instructions for component repair and replacement Rebuilds: Detailed procedures for engine and transmission overhauls Installation: Engine and transmission removal/installation procedures Technical Depth Diagnostic Capabilities: Advanced troubleshooting for electrical and mechanical issues Rebuild Detail: Full rebuild specifications for major components Special Tools: Identification of specialized tools required for certain procedures 📊 Manual Specifications File Format Format: PDF Print Quality Resolution: High-resolution, suitable for printing Searchability: Likely text-searchable PDF Binding Type Binding: Not applicable (digital download) Paper Type Paper Type: Not applicable (digital download) ⚙️ Engine Specifications Primary Engine Engine Type Yfm400: 333cc, 4-stroke, SOHC, air-cooled, single-cylinder Engine Type Yfm350: 348cc, 4-stroke, SOHC, air-cooled, single-cylinder Performance Bore X Stroke Yfm400: 74.0 mm x 77.0 mm Bore X Stroke Yfm350: 83.0 mm x 64.5 mm Compression Ratio Yfm400: 9.2:1 Compression Ratio Yfm350: 9.2:1 Horsepower Yfm400: Approximately 21-23 HP (estimated, exact figures often not published) Horsepower Yfm350: Approximately 20-22 HP (estimated, exact figures often not published) Fuel System Carburetor Type Yfm400: Teikei Y26PH (or similar) Carburetor Type Yfm350: Teikei Y30PH (or similar) Fuel Type: Unleaded gasoline 🔧 Transmission Standard Transmission Type: Automatic (Yamaha Constant Velocity Transmission - YCVT) Drive Select: 2WD/4WD selectable Features Gear Reduction: Forward, Neutral, Reverse Final Drive: Shaft drive, sealed u-joint 📐 Dimensions Exterior Length Yfm400: 77.6 inches Width Yfm400: 43.1 inches Height Yfm400: 43.2 inches Wheelbase Yfm400: 49.2 inches Ground Clearance Yfm400: 7.1 inches Weights Dry Weight Yfm400: 562 lbs Fuel Capacity Yfm400: 3.2 gallons Towing Capacity Yfm400: 1000 lbs Rack Capacity Front Yfm400: 88 lbs Rack Capacity Rear Yfm400: 176 lbs 🛡️ Safety Features Ratings Atv Safety Guidelines: Adherence to all Yamaha safety warnings and recommended operating procedures Active Features Braking System Type: Hydraulic disc brakes (front and rear) Passive Features Lighting: Dual 30W headlights, 8W taillight/stoplight 💡 Technology Features Infotainment Display Features: Digital meter with speedometer, odometer, trip meter, fuel gauge, clock, 4WD indicator Driver Assistance Efi: No Electronic Fuel Injection (EFI); utilizes carburetor Throttle Limiter: No electronic throttle control or governor beyond mechanical limits 🔧 Maintenance Service Intervals Engine Oil Change: Every 100 hours or 12 months, whichever comes first (refer to manual for specifics) Air Filter Cleaning: Every 20 hours or as needed based on conditions Spark Plug Inspection: Every 100 hours or 12 months Valve Adjustment: Every 200 hours or 24 months Fluid Specifications Engine Oil Type: Yamalube 4 (or equivalent SAE 10W-40 API SG or higher) Engine Oil Capacity: Approx. 1.7-1.8 liters (with filter change) Final Drive Oil Type: Yamalube Gear Oil (or equivalent SAE 80 API GL-4) Coolant Type: Permanent type antifreeze coolant (50/50 mixture with distilled water) Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid Known Issues Common Wear Items: Brake pads, tires, wheel bearings, suspension bushings, drive belts (YCVT) Potential Electrical: Voltage regulator failure, stator winding issues (less common but possible) Carburetor Issues: Clogging due to stale fuel, pilot jet issues affecting idle 📚 Vehicle History Brand Heritage Yamaha Atv Legacy: Yamaha has a long-standing reputation for producing reliable and capable ATVs, dating back to the early days of the industry. Model Evolution Kodiak Lineage:...