🏷️ Basic Information Identification Make: Yamaha Model: YFM250 Bruin Model Variant: 2WD Year: 2005-2006 Product Name: Yamaha YFM250 YFM 250 BRUIN 250 2005-2006 Service Repair Workshop Manual PDF Codes Chassis Code: YFM250X 👋 Introduction Market Position Market Segment: Entry-level to mid-range utility ATV for recreational and light-duty farm use. Competitive Analysis Competitors: Honda TRX250TE/TM Recon, Suzuki LT-F250F Ozark, Kawasaki KLF250 Bayou. Key Features Key Features Of Vehicle: Reliable air-cooled engine, comfortable ride, selectable 2WD, automatic transmission (CVT), suitable for trail riding and light utility tasks. Key Features Of Manual: Instant download, printable sections, comprehensive coverage, OEM-level detail. 📋 Manual Details Coverage Areas Models Covered: Yamaha YFM250 Bruin 250 2WD, Yamaha YFM250 Bear Tracker Years Covered: 2005, 2006 Page Count Estimated Page Count: Refer to individual PDF files for exact count; typical for this era ATV service manuals is 300-500 pages. Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: PDF (Adobe Acrobat) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, internal components, timing, valve adjustment, piston, cylinder, crankshaft, carburetor tuning. Transmission: Gearbox disassembly, assembly, inspection, lubrication, clutch operation. Chassis: Frame inspection, integrity, welding points, general construction. Steering: Handlebar, steering stem, tie rods, steering knuckle, alignment procedures. Suspension: Front and rear suspension systems, shock absorbers, springs, bushings, adjustment, replacement. Brakes: Hydraulic brake system, front and rear calipers, brake lines, master cylinder, brake fluid, bleeding, pad replacement, rotor inspection. Electrical: Wiring diagrams, ignition system, starting system, charging system, lighting, battery, fuses, switches, starter motor, CDI unit. Fuel System: Fuel tank, fuel lines, fuel pump, carburetor (Mikuni BS26), fuel filter, cleaning, adjustments. Lubrication: Oil types, capacities, change intervals, lubrication points, filter replacement. Cooling System: Air-cooled engine specifications, heat management. Exhaust System: Muffler, exhaust pipe, gasket replacement, inspection. Wheels And Tires: Tire pressure specifications, wheel removal and installation, lug nut torque. Bodywork: Fender removal, plastic panel installation, seat system. Locks And Keys: Ignition switch, steering lock operation and troubleshooting. Procedures Included Maintenance: Regular scheduled maintenance, oil changes, filter replacements, spark plug checks, brake fluid flush, chain adjustment (if applicable). Troubleshooting: Diagnostic charts for common issues, symptom-based problem solving. Repair: Step-by-step instructions for component removal, repair, and reinstallation. Overhaul: Complete engine and transmission rebuild procedures. Diagnostics: Detailed electrical diagnostic procedures, component testing. Technical Depth Depth: Comprehensive. Covers basic user maintenance to full mechanical and electrical overhauls, suitable for both amateur and professional mechanics. 📊 Manual Specifications File Format File Format: PDF Searchable Text: Typically yes, if scanned correctly. Print Quality Print Quality: High quality scans, suitable for printing individual sections or the entire manual. Binding Type Binding Type: Digital download, user printable for binding (e.g., 3-ring binder). Paper Type Recommended Paper Type For Printing: Standard copier paper (20-24 lb bond) is suitable for most sections; heavier cardstock for cover pages. ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, SOHC, 2-valve Displacement: 245 cc Bore X Stroke: 68.5 mm x 66.0 mm Compression Ratio: 9.2:1 Performance Horsepower: Approximately 15-17 hp (at the crankshaft, estimated) Torque: Approximately 14-16 lb-ft (at the crankshaft, estimated) Fuel System Carburetor Model: Mikuni BS26 Fuel Type: Unleaded gasoline Fuel Tank Capacity: 2.6 gal (9.8 L) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Drive System: Shaft drive, 2WD Features Gear Reduction: The CVT system provides infinite gear ratios for optimal power delivery. Clutch Type: Automatic centrifugal clutch 📐 Dimensions Exterior Overall Length: 72.6 in (1845 mm) Overall Width: 41.3 in (1050 mm) Overall Height: 42.1 in (1070 mm) Wheelbase: 49.2 in (1250 mm) Weights Dry Weight: Approx. 503 lbs (228 kg) Curb Weight: Approx. 525 lbs (238 kg) Max Load Capacity: Refer to manual for specific rider and cargo limits. 🛡️ Safety Features Ratings Safety Certifications: Certified to ANSI standards for Class II recreational off-highway vehicles (ROHV). Active Features Braking System: Hydraulic disc front brakes, sealed drum rear brake. Parking Brake: Mechanical parking brake. Passive Features Lighting: Dual 30W halogen headlights, 5W taillight/stoplight. 💡 Technology Features Infotainment Infotainment System: N/A (Utility ATV, no built-in infotainment system) Driver Assistance Driver Assistance Features: N/A (Basic utility ATV) Connectivity Connectivity Options: N/A Instrumentation Instrument Cluster: Speedometer, odometer, neutral indicator, reverse indicator, high beam indicator, oil warning light. 🔧 Maintenance Service Intervals Engine Oil Change: Every 1000 km or 6 months, whichever comes first (refer to manual for exact interval and conditions). Air Filter Cleaning: Every 500 km or 3 months, or more frequently in dusty conditions. Spark Plug Check And Gap: Every 1000 km or 6 months. Brake Fluid Replacement: Every 2 years or as needed. Fluid Specifications Engine Oil Type: Yamalube 4 (or equivalent SAE 10W-30 API SE, SF, SG or higher) API SG or higher, JASO Standard MA. Engine Oil Capacity: 1.70 L (1.80 US qt) without oil filter change; 1.80 L (1.90 US qt) with oil filter change. Transmission Oil Type: Yamalube Gear...