🏷️ Basic Information Identification Make: Yamaha Model: Bruin 250 Model Code: YFM250 Years Covered: 2005, 2006 Generation Generation Name: First Generation Bruin 250 Codes Vin Code: Refer to vehicle chassis VIN plate for specific code 👋 Introduction Market Position Target Audience: Yamaha ATV Owners, Service Technicians, DIY Enthusiasts Competitive Analysis Value Proposition: Complete Set for Basic to Advanced Service Work, Unmatched Detail and Coverage Key Features Manual Uniqueness: Includes Owner's Manual and Multiple Service Supplements for Full Model Year Coverage 📋 Manual Details Coverage Areas Overall Coverage: Comprehensive Bumper-to-Bumper Service and Owner Information Page Count Service Manual Pages: 444 Owner Manual Pages: 156 Total Manual Pages: 600 Manual Type Primary Manual Type: Workshop Service Manual Secondary Manual Type: Owner's Manual Included Supplements: 3 Individual Service Supplements Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete Engine Overhaul, Carburetor, Cooling System, Lubrication System, Ignition System, Starting System, Fuel System Transmission: Automatic Transmission (CVT), Drive System, Final Drive Drivetrain: Shaft Drive System, CV Joints, Differential Suspension: Front Suspension (A-arms, shocks, springs), Rear Suspension (Swingarm, shock, spring) Brakes: Front and Rear Brake System (Hydraulic Disc Brakes), Master Cylinders, Calipers, Lines, Pads Electrical: Wiring Diagrams, Lighting System, Battery, Charging System (Stator, Regulator/Rectifier), CDI Unit, Ignition Switch, Fuses Bodywork: Chassis, Body Panels, Fenders, Seat, Handlebars, Front Rack, Rear Rack Controls: Throttle Control, Brake Levers, Gear Selector, Parking Brake Procedures Included Maintenance: Routine Inspections, Oil Changes, Filter Replacements, Spark Plug Service, Chain/Drive Adjustments (if applicable), Brake Pad Checks Troubleshooting: Systematic Diagnostic Procedures for Engine, Electrical, and Mechanical Issues Repair: Step-by-Step Disassembly and Reassembly Instructions for all Major Components and Systems Rebuild: Complete Engine Rebuild Procedures, Transmission Overhaul Adjustment: Carburetor Adjustment, Valve Clearance Adjustment, Brake Adjustment Diagnostics: Component Testing, Fault Code Interpretation (if applicable) Technical Depth Depth Level: Expert-Level Technical Detail for Professional Technicians and Experienced DIYers Information Type: Detailed Pictures, Diagrams, Torque Specifications, Clear Step-by-Step Instructions 📊 Manual Specifications File Format PDF Quality: Perfect Quality, High Resolution Searchability: Fully Indexed and Bookmarked for Quick Searching Print Quality Print Capability: Print Entire Manual or Select Pages Zoom Capability: Zoom in on Diagrams and Pictures for Detailed Viewing Binding Type Binding: N/A (PDF Download) Paper Type Paper Type: N/A (PDF Download) ⚙️ Engine Specifications Primary Engine Engine Type: Four-Stroke, SOHC, Air-Cooled Displacement: 230 cc (approx.) Bore X Stroke: Refer to Service Manual for Exact Specifications Compression Ratio: Refer to Service Manual for Exact Specifications Performance Horsepower: Refer to Service Manual for Exact Specifications Torque: Refer to Service Manual for Exact Specifications Fuel System Fuel Delivery: Carburetor (Mikuni VM series likely) Fuel Type: Unleaded Gasoline Lubrication Oil Type: Yamaha's Recommended Yamalube or Equivalent (API SG or higher, SAE 10W-30 or 20W-40) Oil Capacity: Refer to Service Manual or Owner's Manual (typically around 1.5 - 2.0 liters with filter change) 🔧 Transmission Standard Transmission Type: Automatic Transmission with Ultramatic® V-belt System Drive Modes: High, Low, Neutral, Reverse, Park Optional Optional Transmission: N/A Features Drive System: 2WD (Rear Wheel Drive) Final Drive: Shaft Drive 📐 Dimensions Exterior Length: Refer to Service Manual for Exact Specifications Width: Refer to Service Manual for Exact Specifications Height: Refer to Service Manual for Exact Specifications Weights Dry Weight: Approx. 234 kg (516 lbs) Curb Weight: Refer to Service Manual for Exact Specifications Towing Capacity: Refer to Service Manual for Exact Specifications (typically limited for ATVs) 🛡️ Safety Features Ratings Safety Features: Rollover Protection (frame), Throttle Limiter (owner's manual adjustable), Parking Brake, Integrated Lighting System Active Features Active Safety: Disc Brakes for responsive stopping power Passive Features Passive Safety: Durable Frame Construction, Hand Guards (standard on some models) 💡 Technology Features Infotainment Infotainment System: N/A (Basic Utility ATV) Driver Assistance Driver Assistance Features: N/A (Mechanical Systems) Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Every 1000 km or 6 months, whichever comes first (Refer to Owner's Manual for precise interval) Air Filter Cleaning: Regularly, or every 6 months (depending on usage conditions) Spark Plug Replacement: Refer to Service Manual or Owner's Manual (typically every 3000-5000 km or as needed) Valve Adjustment: Refer to Service Manual (typically at higher mileage intervals, e.g., 10,000 km) Fluid Specifications Engine Oil Specification: Yamalube API SG 10W-30 or 20W-40 or equivalent Brake Fluid Specification: DOT 3 or DOT 4 Hydraulic Brake Fluid Known Issues Common Wear Items: Brake Pads, Tires, Drive Belts (CVT), Battery, Spark Plugs Potential Failures: Carburetor issues due to fuel varnish if not stored properly, occasional regulator/rectifier failure (common to many powersports vehicles) 📚 Vehicle History Brand Heritage Brand History: Yamaha Motor Corporation, founded in 1955, has a long-standing reputation for producing high-quality, reliable, and performance-oriented powersports vehicles, including a strong presence in the ATV market since the 1980s. Model Evolution Model Lineage: The Bruin 250 was a popular mid-size utility ATV offering from Yamaha, positioned between smaller recreational models...