Yamaha Bruin 350 4x2 ATV (2 Manual Set) Owners & Complete Workshop Service Repair Manual 2004 2005 2006

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The Yamaha Bruin 350 4x2 is a capable mid-size utility all-terrain vehicle, produced for the 2004, 2005, and 2006 model years. Known for its versatility and user-friendly design, it is...

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Tipo: Atv

Proveedor:

SKU: 104628

Etiquetas: 2004 2005 2006 ATV Bruin 350 4x2 Bruin Models Powersports Yamaha

Variantes de producto

Descripción

The Yamaha Bruin 350 4x2 is a capable mid-size utility all-terrain vehicle, produced for the 2004, 2005, and 2006 model years. Known for its versatility and user-friendly design, it is powered by a reliable 348cc air-cooled, four-stroke engine coupled with an automatic continuously variable transmission (CVT) featuring high and low range, plus reverse. Its 4x2 drivetrain offers efficiency for recreational riding and light farm or ranch tasks. The Bruin 350 is equipped with independent front suspension and a swingarm rear suspension for a comfortable ride and adequate ground clearance, making it a solid choice in its segment. This comprehensive manual set provides essential information for owners and technicians. It includes an owner's manual covering operation, basic maintenance, and safety, alongside a detailed workshop service and repair manual. The service manual offers step-by-step instructions, diagrams, and technical specifications for all major systems, including the engine, transmission, braking, suspension, and electrical systems. It covers routine maintenance, troubleshooting common issues, and in-depth repair procedures, ensuring the Bruin 350 4x2 remains in optimal condition.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

Bruin 350 4x2

Product Type:

Owner's and Workshop Service Repair Manual Set

Applicable Years:

2004, 2005, 2006

Codes

Vin Code Applicability:

Typically relates to engine and model variants within the specified years.

👋 Introduction

Market Position

Atv Segment:

Mid-size utility ATV, known for its versatility and user-friendliness, targeting recreational riders and light farm/ranch use.

Competitive Analysis

Key Competitors:

Honda Rancher 350, Kawasaki Prairie 360, Suzuki Vinson 500 (though slightly larger), Polaris Sportsman 400/500.

Key Features

Engine Type:

Reliable air-cooled, single-cylinder engine.

Drive System:

Selectable 4x2 drive, offering simplicity and fuel efficiency for general use.

Transmission:

Automatic (CVT) with high/low range and reverse, providing ease of operation.

Suspension:

Independent front suspension (IFS) and swingarm rear suspension, offering a comfortable ride and good ground clearance.

📋 Manual Details

Coverage Areas

Manual Set Type:

Dual Manual Set (Owner's Manual & Workshop Service Repair Manual)

Page Count

Owner Manual Page Count:

Estimated 80-120 pages (typical for ATV owner's manuals)

Service Repair Manual Page Count:

Estimated 300-500 pages (typical for comprehensive ATV service manuals)

Manual Type

Owner Manual Type:

Operational Guide, Basic Maintenance, Safety Information

Service Repair Manual Type:

Complete Workshop Service and Repair Manual

Language

Language:

English

Format

Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Engine Systems:

Engine overhaul, top-end rebuild, piston, rings, cylinder, valve adjustments, timing, lubrication system, cooling system, fuel delivery system (carburetor), ignition system, starting system, exhaust system.

Transmission Drivetrain Systems:

Automatic transmission (CVT - Continuously Variable Transmission) disassembly and assembly, clutch operation, belt replacement, gearbox servicing, drive shafts, differential (rear).

Braking Systems:

Hydraulic brake system, front and rear brake caliper service, brake pad replacement, brake fluid flush and bleeding, master cylinder, brake lines.

Suspension Steering Systems:

Front and rear suspension, shock absorber service, bushings, ball joints, tie rods, steering column, steering linkage, wheel alignment.

Electrical Systems:

Battery, charging system (stator, rectifier/regulator), lighting system (headlights, taillights, brake lights), ignition switch, starter motor, CDI unit, wiring diagrams, fuses, relays, horn.

Fuel System:

Fuel tank, fuel lines, fuel filter, carburetor (Mikuni BSR33), carburetor adjustment and cleaning, choke operation.

Chassis Bodywork Systems:

Frame inspection, body panel removal and installation, fenders, seat, handlebars, footrests, racks, skid plates.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements (oil, air, fuel), spark plug inspection and replacement, chain adjustment (if applicable, though Bruin 350 is shaft drive), tire pressure checks, lubrication points.

Troubleshooting:

Diagnostic procedures for common starting issues, running problems, electrical faults, and drivability concerns. Includes symptom-based troubleshooting charts.

Engine Repair:

Complete engine teardown, component inspection, overhaul procedures, piston ring replacement, cylinder honing, valve lapping, camshaft installation, timing chain/belt replacement (if applicable, though Bruin 350 uses a chain).

Transmission Repair:

CVT belt inspection and replacement, roller weight replacement, clutch adjustment, gearbox oil change and inspection, differential service.

Electrical Repair:

Wiring diagram interpretation, component testing (stator, ignition coil, starter motor), charging system diagnosis, light bulb replacement, fuse replacement.

Suspension Steering Adjustment:

Shock absorber preload adjustment, wheel alignment procedures, tie rod adjustments.

Carburetor Adjustment:

Idle speed adjustment, mixture screw adjustment, jetting information for altitude and temperature changes.

Technical Depth

Depth Of Coverage:

Comprehensive, covering all aspects from routine maintenance and minor repairs to major overhauls and engine rebuilds. Includes detailed specifications, torque values, and diagnostic procedures.

Diagnostic Capabilities:

Advanced diagnostic trees and symptom analysis for identifying and resolving complex mechanical and electrical issues.

Repair Procedures:

Step-by-step instructions with accompanying diagrams and illustrations for virtually all repair and maintenance tasks.

📊 Manual Specifications

File Format

PDF Quality:

High-resolution, allowing for clear viewing and printing of text and diagrams.

Searchable Text:

Typically includes searchable text layers for easy navigation and information retrieval.

Print Quality

Printable:

Yes, the PDF format allows for printing of individual pages or the entire manual.

Binding Type

Binding Format:

N/A (Downloadable PDF, not a physical book)

Paper Type

Paper Type:

N/A (Digital format)

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, SOHC, air-cooled

Displacement:

348cc

Bore X Stroke:

83.0 mm x 64.5 mm

Compression Ratio:

9.2:1

Valve Clearance Intake Cold:

0.08 - 0.12 mm (0.003 - 0.005 in)

Valve Clearance Exhaust Cold:

0.10 - 0.14 mm (0.004 - 0.006 in)

Performance

Horsepower Estimate:

Approx. 18-20 HP (at 5500 rpm)

Torque Estimate:

Approx. 20-22 lb-ft (at 4500 rpm)

Fuel System

Carburetor Model:

Mikuni BSR33 (or similar)

Fuel Type:

Unleaded gasoline (87 octane minimum)

Fuel Tank Capacity:

3.8 L (1.0 US gal)

🔧 Transmission

Standard

Transmission Type:

Automatic (CVT - Ultramatic®)

Gear Selection:

High, Low, Neutral, Reverse

Features

Drive System:

2WD (Rear Wheel Drive), selectable 4WD (on some variants, but this specifies 4x2)

Final Drive:

Shaft Drive

Fluid Specifications

Transmission Oil Type:

Yamaha's recommended Ultramatic transmission fluid or equivalent SAE 10W-30 API SG or higher.

📐 Dimensions

Exterior

Overall Length:

Approximately 74.5 inches (1890 mm)

Overall Width:

Approximately 41.9 inches (1065 mm)

Overall Height:

Approximately 43.3 inches (1100 mm)

Wheelbase:

Approximately 49.2 inches (1250 mm)

Weights

Dry Weight:

Approximately 538 lbs (244 kg)

Ground Clearance:

Approximately 7.1 inches (180 mm)

Cargo

Front Rack Capacity:

Approximately 99 lbs (45 kg)

Rear Rack Capacity:

Approximately 176 lbs (80 kg)

Dimensions

Towing Capacity:

Approximately 1000 lbs (453 kg)

Front Tire Size:

AT25x8-12

Rear Tire Size:

AT25x10-12

Wheel Bolt Pattern:

5 x 114.3 mm (4.5 inch) (typical for many Yamaha ATVs of this era)

🛡️ Safety Features

Ratings

Crash Test Ratings:

N/A (ATVs are not subjected to automotive crash testing standards like cars)

Active Features

Braking System:

Hydraulic disc brakes front and rear.

Parking Brake:

Handlebar-mounted parking brake lever engaging rear brake.

Passive Features

Throttle Limiter:

Often includes a throttle limiter screw for novice riders.

Ergonomics:

Designed for rider comfort and control, with intuitive handlebar controls.

Operator Warnings:

Includes decals and information in the owner's manual regarding safe operation, rollover risks, and proper use.

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic utility ATV, no infotainment system)

Driver Assistance

Driver Assistance Features:

N/A (No electronic driver assistance features beyond basic operational aids)

Connectivity

Connectivity Features:

N/A (No connectivity features)

🔧 Maintenance

Service Intervals

Engine Oil Change Interval:

Every 100 hours or 6 months, whichever comes first (typical, refer to manual for exact schedule).

Air Filter Cleaning:

Every 20 hours or 3 months (typical, clean more frequently in dusty conditions).

Spark Plug Inspection:

Every 100 hours or 6 months.

Valve Adjustment Interval:

Every 200 hours or 12 months.

Fluid Specifications

Engine Oil Type:

Yamalube 4 (or equivalent) SAE 20W-40 API SG or higher.

Engine Oil Capacity With Filter:

Approximately 2.0 L (2.1 US qt).

Coolant Type:

Ethylene glycol-based antifreeze (50/50 mix with distilled water).

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid.

Known Issues

Common Wear Items:

CVT belt wear, brake pad wear, front suspension bushings, wheel bearings (especially with heavy use or submersion).

Carburetor Clogging:

Can occur with stale fuel or debris in the fuel system, requiring cleaning.

Starter Solenoid:

Occasionally can fail, preventing engine cranking.

Electrical Connector Corrosion:

Can happen in wet or muddy environments, affecting lights or ignition.

📚 Vehicle History

Brand Heritage

Yamaha Atv History:

Yamaha has a long and distinguished history in ATV manufacturing, starting with the revolutionary Yamahauler 3-wheelers and moving into 4-wheel ATVs, known for reliability and performance.

Model Evolution

Bruin Lineage:

The Bruin series was introduced as a capable and comfortable mid-size utility ATV, bridging the gap between entry-level and larger, more specialized models. It succeeded and evolved from earlier models like the Moto-4.

Production

Manufacturing Location:

Primarily manufactured in Japan or at Yamaha's overseas facilities.

Production Period:

The Bruin 350 4x2 was produced for several years, with this manual covering the 2004-2006 model years, representing a specific generation of the model.

🏆 Awards & Recognition

Recognitions

Industry Awards:

Specific industry awards for the Bruin 350 model are not widely documented, but Yamaha ATVs consistently receive praise for reliability and build quality.