Yamaha YFM350FAS BRUIN Auto 4x4 Owners Manual 2004 model

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🏷️ Basic Information Identification Make: Yamaha Model: YFM350FAS Bruin Year: 2004 Vehicle Type: All-Terrain Vehicle (ATV) Engine Configuration: Single-cylinder, 4-stroke Drive Type: 4x4 (Four-wheel drive), Automatic Transmission Sub Model Designation:...

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Type: Atv

Vendor:

Sku: 23522

Tags: 2004 ATV Bruin Models Powersports Yamaha YFM350FAS BRUIN

Product variants

Description

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

YFM350FAS Bruin

Year:

Vehicle Type:

All-Terrain Vehicle (ATV)

Engine Configuration:

Single-cylinder, 4-stroke

Drive Type:

4x4 (Four-wheel drive), Automatic Transmission

Sub Model Designation:

Codes

Vin Code Year:

4 (for 2004)

👋 Introduction

Market Position

Market Position:

Mid-range utility ATV, designed for recreational trail riding and moderate work tasks. Positioned for riders seeking reliable 4x4 capability and ease of operation with an automatic transmission.

Competitive Analysis

Competitive Analysis:

Competed against models like the Honda TRX350FM/FPM Rancher, Suzuki Eiger 400 4x4, and Kawasaki Prairie 360 4x4. The Bruin emphasized comfort and a user-friendly automatic transmission.

Key Features

Key Features:

• Automatic transmission with Forward (Hi/Lo), Neutral, and Reverse

• Push-button 4x4 engagement

• Comfortable, ergonomic seating position

• Independent front suspension (IFS) for improved ride quality

• Shaft drive for low maintenance

• Large cargo racks for utility

📋 Manual Details

Coverage Areas

Covered Areas:

• Safety Information

• Description and Machine Identification

• Control Functions

• Pre-operation Checks

• Operation

• Riding your ATV

• Periodic Maintenance and Adjustment

• Cleaning and Storage

• Specifications

Page Count

Page Count:

Manual Type

Manual Type:

Owner's Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Systems Covered:

• Engine Operation and Controls

• Fuel System

• Ignition System

• Cooling System (Air-cooled)

• Lubrication System

• Exhaust System

• Drivetrain (Automatic Transmission, Shaft Drive)

• 4x4 Drivetrain Engagement and Operation

• Braking System (Hydraulic Disc)

• Suspension System (Independent Front, Swingarm Rear)

• Steering System

• Wheels and Tires

• Electrical System (Lighting, Starting, Charging)

• Chassis and Frame

• Bodywork and Plastics

Procedures Included

Procedures Included:

• Pre-ride inspection checklist

• Starting and stopping procedures

• Shifting through gears (Automatic)

• Engaging/disengaging 4WD

• Safe riding techniques for various terrains

• Recommended riding gear

• Routine maintenance checks (oil levels, tire pressure, chain slack - if applicable)

• Air filter cleaning/replacement

• Spark plug inspection/replacement

• Brake pad inspection

• Fluid level checks and top-offs

• Lubrication points

• Troubleshooting common operational issues

• Storage procedures (short-term and long-term)

• Cleaning recommendations

Technical Depth

Technical Depth:

Comprehensive Owner-Level Maintenance and Operation

📊 Manual Specifications

File Format

File Format:

PDF (Portable Document Format)

Print Quality

Print Quality:

Printable, High-Resolution

Binding Type

Binding Type:

Digital Download (No physical binding)

Paper Type

Paper Type:

N/A (Digital)

Software Requirements

Software Requirements:

Adobe Reader or compatible PDF viewer

⚙️ Engine Specifications

Primary Engine

Engine Type:

Air-cooled, SOHC, 4-stroke, 2-valve

Displacement:

348cc

Bore X Stroke:

83 mm x 64.5 mm

Compression Ratio:

9.2:1

Carburetion:

Teikei Y26PV (Constant Velocity Carburetor)

Ignition:

CDI (Capacitor Discharge Ignition)

Starting System:

Electric Starter

Performance

Horsepower:

Approx. 20-22 HP (Estimated, not officially published by Yamaha for this model)

Torque:

Approx. 20-22 lb-ft (Estimated, not officially published by Yamaha for this model)

Fuel System

Fuel Type:

Unleaded Gasoline

Fuel Tank Capacity:

13.5 L (3.57 US gal)

🔧 Transmission

Standard

Transmission Type:

Automatic (Yamaha Constant-Velocity Transmission - YCVT)

Gear Selection:

Automatic with H (High), L (Low), N (Neutral), R (Reverse)

Features

Drive System:

Shaft Drive

4Wd System:

On-Command 4WD with push-button engagement

Fluid Specifications

Transmission Fluid Type:

Yamaha All-Purpose Gear Oil 10W-30 or equivalent API GL-4

📐 Dimensions

Exterior

Overall Length:

2,065 mm (81.3 in)

Overall Width:

1,075 mm (42.3 in)

Overall Height:

1,100 mm (43.3 in)

Wheelbase:

1,270 mm (50 in)

Ground Clearance:

240 mm (9.4 in)

Weights

Dry Weight:

247 kg (545 lbs)

Towing Capacity:

N/A (ATVs typically do not have official towing ratings, refer to manual for load limits on racks)

Cargo

Front Rack Capacity:

30 kg (66 lbs)

Rear Rack Capacity:

40 kg (88 lbs)

🛡️ Safety Features

Ratings

Safety Ratings:

ATVs are not subject to traditional automotive safety ratings (e.g., NHTSA, IIHS). Refer to manual for specific safety warnings and operational guidelines.

Active Features

Active Features:

• Handlebar-mounted throttle limiter

• Engine braking through automatic transmission

Passive Features

Passive Features:

• Large front and rear racks for secure cargo

• Durable chassis and bodywork

• Front and rear fenders for splash protection

💡 Technology Features

Infotainment

Infotainment Features:

N/A (ATVs of this era typically lack complex infotainment systems. Focus is on core functionality.)

Driver Assistance

Driver Assistance Features:

• Automatic transmission simplifies operation.

• On-Command 4WD system simplifies traction management.

Connectivity

Connectivity Features:

🔧 Maintenance

Service Intervals

Initial Service:

Recommended at 100 km or 1 month, typically involving checking all fluid levels, fasteners, and operational controls.

Engine Oil Change:

Every 1,000 km or 6 months. Initial change recommended at 100 km. Refer to manual for precise interval.

Air Filter Cleaning:

Every 500 km or as needed based on operating conditions (e.g., dusty environments). Replacement recommended periodically.

Spark Plug Inspection:

Every 1,000 km or 6 months. Replacement interval varies.

Brake Fluid Level Check:

Regularly, before each ride. Replacement or flush as per manual recommendations (e.g., every 2 years).

Fluid Specifications

Engine Oil Type:

Yamalube 4 (or equivalent) SAE 10W-30 API SG or higher

Engine Oil Capacity:

1.80 L (1.90 US qt) without oil filter change; 2.00 L (2.11 US qt) with oil filter change.

Brake Fluid Type:

SAE J1703 or FMVSS No. 116 DOT 3

Final Drive Oil Type:

Yamaha All-Purpose Gear Oil 80W API GL-4

Final Drive Oil Capacity:

150 ml (5.1 US fl oz)

Known Issues

Known Issues:

• Occasional carburation issues if not maintained properly.

• Wear on drive shafts/CV joints in aggressive off-road use.

• Plastic body panels can be prone to cracking under stress.

• Heat management in very slow, demanding terrain might be a consideration for the air-cooled engine.

📚 Vehicle History

Brand Heritage

Brand Heritage:

Yamaha Motor Corporation has a long-standing reputation for producing high-quality, reliable, and innovative powersports vehicles, including ATVs, motorcycles, and watercraft, since its inception in 1955.

Model Evolution

Model Evolution:

The Bruin 350 4x4 (YFM350FAS) was part of Yamaha's 'Grizzly' and 'Bruin' lineage, offering a more comfort-oriented, automatic transmission alternative to their sportier or more utility-focused models. It evolved from earlier 2WD and 4WD models with a focus on rider comfort and ease of use.

Production

Production Years:

The Yamaha Bruin 350 4x4 was produced for several model years, including 2004, 2005, 2006, and 2007, with minor updates.

Manufacturing Location:

Primarily manufactured in Japan by Yamaha Motor Co., Ltd.

🏆 Awards & Recognition

Recognitions

Recognitions:

While specific 'awards' for individual model years of utility ATVs are uncommon, the Yamaha Bruin line was generally well-regarded for its reliability, comfort, and ease of use within the utility ATV segment.

Ratings

Ratings:

Praised in contemporary reviews for its comfortable ride and capable 4x4 system for its class.

Certifications

Certifications:

Compliant with relevant EPA emission standards for ATVs of its model year.