Target Audience:
ATV owners and technicians performing maintenance and repairs on Yamaha BRUIN 250
Value Proposition:
Comprehensive resource for all service, repair, and operational needs of the BRUIN 250
Advantage:
Includes both Service Repair and Owner's Manuals, covering all years with multiple supplements, offering superior value and completeness
Dual Manual Package:
Combined Service and Owner's Manuals for a complete solution
Multi Year Coverage:
Addresses all model years through specific service supplements
Detailed Illustrations:
Abundant pictures and diagrams for clarity
Engine Service:
Comprehensive engine overhaul, tuning, and component repair
Drivetrain Service:
Front/rear differentials, driveshafts, and drive system maintenance
Suspension Service:
Front/rear suspension, shocks, A-arms, and steering components
Braking System:
Front and rear brake caliper, rotor, and hydraulic system service
Electrical System:
Ignition, charging system, lighting, starter, and accessories
Fuel System:
Carburetor (likely), fuel pump, lines, and tank service
Cooling System:
Radiator, fan, hoses, and thermostat service
Chassis And Body:
Frame, body panels, fenders, and rack repair/replacement
Wheels And Tires:
Tire mounting, wheel bearing service, and torque specifications
Exhaust System:
Muffler, pipe, and heat shield service
Scheduled Maintenance:
Detailed steps for routine checks and fluid changes
Troubleshooting:
Diagnostic charts and step-by-step fault finding
Engine Repair:
Complete engine rebuild procedures, including piston, cylinder, and valve work
Carburetor Rebuild:
Detailed instructions for cleaning, adjustment, and rebuilding the carburetor
Brake Bleeding:
Procedures for bleeding the hydraulic brake system
Electrical Diagnostics:
Wiring diagrams, component testing, and troubleshooting electrical faults
Suspension Adjustment:
Instructions for adjusting suspension settings
Chain Adjustment:
Drive chain tension and alignment procedures
Oil Change:
Step-by-step guide for engine oil and filter replacement
Depth Level:
Comprehensive, from basic maintenance to complete engine and component overhaul
Diagnostic Capability:
Advanced diagnostic procedures and specifications for component testing
Visual Aids:
Detailed Pictures and Diagrams for all procedures
Searchability:
Fully indexed and bookmarked PDF for quick information retrieval
Engine Type:
Air-cooled, 4-stroke, SOHC, 2-valve
Displacement:
230 cc (approx. based on common Yamaha 250cc ATV engines of that era)
Bore X Stroke:
Specific to YFM-250 (refer to manual for exact figures)
Compression Ratio:
Specific to YFM-250 (refer to manual for exact figures)
Horsepower:
Approx. 15-20 HP (estimated, specific figures in manual)
Torque:
Refer to manual for exact specifications
Fuel Delivery:
Carburetor (most likely Mikuni BS30 or similar)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Refer to manual (typically around 2.5-3.5 gallons)
Oil Type:
Yamalube 4 (or equivalent SAE 10W-30, API SG or higher, JASO MA)
Oil Capacity:
Refer to manual (typically ~1.5-2.0 liters with filter change)
Transmission Type:
Automatic (likely Yamaha Constant Variable Transmission - CVT)
Drive Type:
Shaft Drive (likely with selectable 2WD/4WD)
Gear Selection:
Forward, Neutral, Reverse
Clutch Type:
Automatic centrifugal clutch (part of CVT)
Length:
Refer to manual (typically ~70-75 inches)
Width:
Refer to manual (typically ~40-45 inches)
Height:
Refer to manual (typically ~40-45 inches)
Dry Weight:
Refer to manual (typically ~500-550 lbs)
Ground Clearance:
Refer to manual (typically ~8-10 inches)
Atv Safety Standards:
Adherence to industry safety standards for ATVs
Braking System Type:
Hydraulic disc brakes (front and rear)
Lighting:
Dual headlights, taillight, brake light
Handlebars:
Ergonomic design with thumb throttle and hand brake levers
Engine Oil Change:
Every 100 hours or 6 months (typical, refer to manual for exact)
Air Filter Cleaning:
Every 20 hours or monthly (typical, refer to manual for exact)
Spark Plug Inspection:
Every 100 hours or annually (typical, refer to manual for exact)
Engine Oil Specification:
Yamalube 4 (or equivalent SAE 10W-30, API SG or higher, JASO MA)
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid
Common Wear Items:
Brake pads, tires, drive belt (CVT), control cables, wheel bearings (typical for ATVs of this age)
Carburetor Cleaning:
Periodic cleaning may be required due to fuel varnish if not run regularly
Manufacturer:
Yamaha Motor Corporation, known for high-quality motorcycles and recreational vehicles
Brution Lineage:
Part of Yamaha's long-standing line of reliable utility ATVs, designed for work and recreation.
Production Years:
Multiple model years covered by the supplements, typical production span for this engine class in the mid-2000s
