Target Audience:
Do-It-Yourself (DIY) owners, independent repair shops, and enthusiasts.
Advantage:
Offers the most complete service and repair information for the specified model years, designed for ease of use.
Ease Of Use:
Very easy to follow, step-by-step instructions for any skill level.
Cost Savings:
Enables users to save money by performing their own repairs and maintenance.
Accessibility:
Instant download provides immediate access, eliminating shipping costs and delays.
Coverage Scope:
Comprehensive front bumper to rear
Specific Models Covered:
YFM250BT Bruin (2005), YFM250BV Bruin (2006), YFM250BW Big Bear 2WD (2007), YFM250BXGR Big Bear 2WD (2008), YFM250BXL Big Bear 2WD (2008), YFM250 Big Bear 2WD (2009)
Estimated Page Count:
Not specified in product description, typically 300-500 pages for this vehicle class.
Type:
Service and Repair Manual
File Format:
PDF (Downloadable)
Operating Systems:
All Versions of Windows & Mac
Software:
Adobe PDF Reader
Engine Overhaul:
Detailed procedures for complete engine disassembly, inspection, repair, and reassembly.
Carburetion:
Adjustment, cleaning, rebuilding, and troubleshooting of the carburetor system.
Drive Train:
Coverage of transmission, differential, drive shafts, and related components.
Chassis:
Information on frame, suspension (front and rear), steering, wheels, and tires.
Electrical:
Wiring diagrams, ignition system, lighting, charging system, starting system, and diagnostics.
General Information:
Vehicle identification, safety precautions, basic maintenance guidelines, and special tools.
Periodic Inspection And Adjustment:
Scheduled maintenance checks, adjustments for brakes, clutch, steering, and more.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and complex issues.
Routine Maintenance:
Oil changes, filter replacements, lubrication, spark plug service, air filter cleaning/replacement.
Component Removal And Installation:
Step-by-step guides for removing and installing major components like engine, transmission, suspension parts, etc.
Diagnostic Procedures:
Methods for diagnosing electrical faults, engine performance issues, and mechanical problems.
Adjustment Procedures:
Valve clearance, throttle cable, brake lever, clutch lever, and other critical adjustments.
Rebuilding Procedures:
Detailed instructions for rebuilding key components such as the carburetor and engine.
Depth:
Highly detailed, covering everything from basic maintenance to complete engine and component rebuilds.
Diagnostics Level:
Advanced diagnostic capabilities, including troubleshooting charts and symptom-based problem solving.
Engine Type:
Single-cylinder, 4-stroke
Displacement:
250cc class (specific displacement not provided, typically around 249cc for Yamaha 250cc ATVs of this era)
Cooling System:
Likely air-cooled, though liquid-cooled variants may exist for specific models/years (manual will detail).
Horsepower Range:
Estimated 15-20 HP (typical for this class, manual will provide precise figures).
Torque Range:
Estimated 14-18 lb-ft (typical for this class, manual will provide precise figures).
Fuel Delivery:
Carbureted (as indicated by 'Carburetion' section in manual coverage).
Carburetor Type:
Specific model and size will be detailed in the manual, likely a Mikuni single barrel.
Type:
CDI (Capacitor Discharge Ignition), details and troubleshooting covered.
Length:
Specific dimensions not provided, but typically around 70-75 inches for 250cc ATVs.
Width:
Specific dimensions not provided, but typically around 40-45 inches.
Height:
Specific dimensions not provided, but typically around 40-45 inches.
Dry Weight:
Likely in the range of 500-550 lbs (manual will provide exact figures).
Ground Clearance:
Typically 6-8 inches (manual will provide exact figures).
Towing Capacity:
Typically limited for this class, around 300-500 lbs (manual will confirm).
Atv Safety Standards:
Adherence to relevant ATV safety standards and recommended operating practices will be implied within the manual.
Braking System:
Hydraulic disc brakes (likely front and rear, manual will detail specifics).
Parking Brake:
Typically handlebar-mounted lever operating rear brake.
Lighting:
Headlights, taillight, brakelight (covered in electrical section).
Engine Oil Change:
Typically every 100 hours or annually (manual will specify exact interval and type).
Air Filter Service:
Regular inspection and cleaning/replacement depending on operating conditions (manual provides guidance).
Spark Plug Replacement:
Typically every 1,000-2,000 miles or as per manual recommendation.
Valve Adjustment:
Periodic checks and adjustments required, frequency specified in the manual.
Engine Oil Type:
Yamaha recommends specific grades and specifications for engine oil, detailed in the manual (e.g., Yamalube 4-stroke engine oil).
Engine Oil Capacity:
Specific capacity will be listed in the manual, typically around 1.5-2.0 liters.
Gear Oil Type:
Manual will specify appropriate gear oil for the transmission and differential.
Coolant Type:
If liquid-cooled, the manual will specify the coolant type and mixture ratio.
Carburetor Clogging:
Common issue with carbureted engines, especially if fuel is not stabilized during storage; manual provides cleaning procedures.
Drive Belt Wear:
CVT drive belts can wear over time and require inspection and replacement; manual will detail inspection intervals.
Electrical Connector Corrosion:
Can occur in wet environments; manual's electrical section will aid in diagnosing and addressing these issues.
Yamaha Atv Legacy:
Yamaha has a long-standing history of producing reliable and capable ATVs, known for innovation and durability.
Bruin Big Bear Lineage:
The Bruin and Big Bear lines represent Yamaha's mid-size utility ATV offerings, known for their versatility and ease of use.
Manufacturing Location:
Likely manufactured by Yamaha Motor Corporation, potentially in Japan or other global manufacturing facilities.
