Positioning:
Essential resource for owners and technicians of the Yamaha Bruin 350 4x4.
Value Proposition:
Offers a comprehensive, accurate, and searchable digital resource superior to generic manuals or incomplete online guides.
Key Selling Points:
Combined Service and Owner's Manual set, detailed procedures with pictures, exploded diagrams, troubleshooting guide, 4WD system coverage, keyword searchable PDF.
Primary Coverage:
Complete service, repair, and maintenance for 2004-2006 Yamaha Bruin 350 4x4 ATVs.
Included Manuals:
Service Manual (Workshop Repair) and Owner's/Maintenance Manual.
Estimated Service Manual Pages:
500+
Estimated Owner Manual Pages:
100+
Primary Manual Type:
Service Manual / Workshop Manual / Repair Manual
Secondary Manual Type:
Owner's Manual / Maintenance Manual
Searchability:
Keyword searchable (Ctrl+F enabled)
Engine:
Complete overhaul, tuning, diagnostics, valve adjustments, top-end rebuilds.
Transmission:
Internal components, gear replacement, clutch operation, final drive service.
Drivetrain:
4WD system engagement, driveshafts, differentials, CV joints.
Suspension:
Front and rear suspension systems, shock absorbers, A-arms, linkages, bushings.
Brakes:
Hydraulic system, caliper service, pad replacement, rotor inspection, bleeding procedures.
Electrical:
Wiring diagrams, lighting system, ignition system, charging system, starter, battery, ECU troubleshooting.
Fuel System:
Carburetor servicing and adjustment, fuel pump, fuel lines, fuel filter.
Cooling System:
Radiator, fan, coolant hoses, thermostat.
Exhaust System:
Muffler, pipe inspection and replacement.
Frame And Body:
Chassis inspection, body panel removal and installation.
Wheels And Tires:
Tire maintenance, wheel removal and installation, lug nut torque.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication points.
Troubleshooting:
Diagnostic flowcharts for common problems and system malfunctions.
Repair:
Step-by-step repair instructions for all major components and systems.
Rebuilds:
Comprehensive procedures for engine and transmission rebuilds.
Adjustments:
Carburetor adjustment, throttle cable adjustment, brake lever free play.
Disassembly Reassembly:
Detailed instructions for component removal and reinstallation.
Torque Specifications:
Precise torque values for all critical fasteners.
Depth:
Comprehensive, from basic owner maintenance to full engine/transmission rebuilds.
Detail Level:
Detailed procedures with accompanying pictures.
Diagrams:
Includes exploded parts diagrams for all major assemblies.
Engine Type:
4-stroke, SOHC, 2-valve, Air-cooled
Bore X Stroke:
83.0 mm x 64.5 mm
Horsepower Estimated:
Approx. 21 hp @ 6,500 RPM
Torque Estimated:
Approx. 27.5 Nm @ 5,500 RPM
Carburetor:
Teikei Y28P (or Mikuni VM28 equivalent)
Fuel Type:
Unleaded gasoline (minimum 87 octane)
Fuel Tank Capacity:
13.0 L (3.4 US gal)
Type:
Automatic (Yamaha Constant Velocity Transmission - YCVT)
Gear Selection:
Forward (H, L), Neutral, Reverse
Drive System:
Selectable 4WD with automatic front differential lock.
Final Drive:
Shaft drive (front and rear)
Atv Safety Standards:
Complies with applicable ANSI/SVIA standards.
Braking System:
Hydraulic disc brakes front and rear.
Engine Braking:
Utilizes CVT for engine braking on descents.
Lighting:
Dual 30W headlights, 15W taillight/stoplight.
Rollover Protection:
N/A (Standard ATV design)
Initial Service:
Check and adjust at 10 hours or 1 month.
Engine Oil Change:
Every 3,000 km (1,860 mi) or 6 months, whichever comes first (or more frequently under severe use).
Air Filter Cleaning:
Check and clean every 1,000 km (620 mi) or 3 months; replace as needed.
Spark Plug Replacement:
Every 6,000 km (3,720 mi) or 12 months.
Engine Oil Type:
Yamalube 4 (or equivalent API SG, SAE 10W-40)
Engine Oil Capacity:
1.80 L (1.9 US qt) without filter change; 2.00 L (2.1 US qt) with filter change.
Final Drive Oil Type:
Yamalube Gear Oil (or equivalent SAE 80 API GL-4)
Final Drive Oil Capacity:
150 ml (5.1 US fl oz)
Coolant Type:
Permanent type antifreeze (50% solution with distilled water)
Common Wear Items:
CV joint boots, wheel bearings, brake pads, bushings.
Carburetor Tuning:
Can require occasional adjustments due to altitude or fuel variations.
