Target Audience:
Owners and technicians seeking comprehensive repair and maintenance information for the Yamaha Bruin 250 (2005-2006) and related Bear Tracker models.
Value Proposition:
Offers a factory-level, detailed guide covering all aspects of the ATV, including extensive troubleshooting and rebuild procedures, at a fraction of the cost of a printed manual.
Feature 1:
Factory OEM specifications and procedures.
Feature 2:
Comprehensive coverage of both Bruin 250 and Bear Tracker models.
Feature 3:
Detailed illustrations, diagrams, and part breakdowns.
Feature 4:
Extensive troubleshooting section with error code references.
Feature 5:
Printable and savable digital format with no restrictions.
Engine:
Complete overhaul, teardown, rebuild, specifications, troubleshooting, carburetor/EFI details, valve clearance, piston, crankshaft, camshaft, timing, lubrication.
Transmission:
Drive train, reverse gear, primary reduction gear, shaft drive, clutch operation, maintenance, and repair.
Electrical System:
Ignition system, starter, battery, charging system, stator, rectifier, magneto, fuses, switches, lights, error codes, no spark troubleshooting.
Chassis And Body:
Frame, suspension (front forks, rear swingarm, struts), brakes (front/rear, pads, rotors), steering system, wheels, tires, fenders, plastics, body panels, seat, handlebars.
Fuel System:
Carburetor (main jet, pilot jet, slow jet, mixture screw), fuel pump, fuel injection (PGM-FI), air intake.
Cooling System:
Radiator, coolant, flushing procedures.
Exhaust System:
Muffler, exhaust components, maintenance.
Maintenance:
Scheduled maintenance, fluid changes (engine oil, coolant), tire pressure, brake adjustments, general upkeep.
Troubleshooting:
Comprehensive troubleshooting guides for common problems, error code diagnosis, no spark issues, starting problems, performance issues.
Repair And Rebuild:
Complete tear down and rebuild procedures for all major components (engine, transmission, suspension, brakes).
Installation:
Procedures for installing various parts and components.
Adjustment:
Carburetor adjustment, valve clearance adjustment, throttle cable adjustment.
Depth:
Factory-level detail for complete rebuilds and advanced diagnostics, suitable for DIY enthusiasts and professional mechanics.
Illustrations:
Includes detailed pictures and part diagrams.
Specifications:
Includes crucial torque specifications.
Engine Type:
Air-cooled, 4-stroke, SOHC, 2-valve
Bore X Stroke:
74.0 mm x 57.9 mm
Compression Ratio:
10.0:1
Horsepower:
Typically around 16-18 HP (specific factory figures may vary and are detailed in the manual)
Torque:
Specific torque figures for engine components are detailed in the manual.
Fuel Delivery:
Carburetor (Mikuni BSR33) or potentially PGM-FI on some variants (manual will specify exact system).
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approximately 2.3 gallons (manual will provide exact capacity and reserve)
Oil Type:
Yamaha recommends specific motorcycle-grade engine oil. Manual will specify viscosity (e.g., SAE 10W-30 or 20W-40) and API classification.
Oil Capacity:
Approximately 1.7-1.9 liters (manual will specify exact capacity with and without filter change).
Ignition System:
CDI (Capacitor Discharge Ignition) with electronic advance.
Length:
Approximately 73.4 inches (manual will confirm exact dimensions)
Width:
Approximately 43.7 inches (manual will confirm exact dimensions)
Height:
Approximately 44.0 inches (manual will confirm exact dimensions)
Dry Weight:
Approximately 489 lbs (manual will confirm exact dry weight)
Curb Weight:
The manual will detail curb weight including all necessary fluids and a full tank of fuel.
Towing Capacity:
ATV towing capacities vary; manual will specify any limitations or recommendations.
Front Tire Size:
Typically 22x7-10 or similar (manual will provide exact size and recommended pressure)
Rear Tire Size:
Typically 22x10-10 or similar (manual will provide exact size and recommended pressure)
Wheel Bolt Pattern:
Not applicable to shaft-driven ATVs with solid axle/hubs.
Atv Safety Standards:
Adheres to ANSI/SVIA standards for ATVs.
Braking System:
Hydraulic disc brakes front and rear, parking brake.
Throttle Limiter:
Some models may feature a throttle limiter for beginner riders, detailed in the manual.
Lighting:
Dual headlights, taillight/stoplight.
Operator Controls:
Handlebar controls for throttle, brake, gear selection, ignition.
Engine Oil Change:
Recommended every 1000 km or 12 months (manual will provide exact interval and conditions).
Air Filter Cleaning Replacement:
Check and clean/replace at regular intervals, especially in dusty conditions (detailed schedule in manual).
Spark Plug Replacement:
Recommended every 4000 km or 24 months (manual will provide exact interval and spark plug type).
Valve Clearance Check:
Typically every 4000 km or 24 months (manual will specify exact procedure and clearance values).
Engine Oil Specification:
SAE 10W-30 or 20W-40 API SG or higher, motorcycle-specific (manual confirms).
Coolant Type:
Permanent antifreeze (ethylene glycol-based), typically a 50/50 mix with distilled water (manual confirms specific type).
Common Problems:
The manual addresses common issues such as carburetor problems, occasional electrical gremlins, and wear-and-tear items, providing diagnostic steps for each.