This manual covers the All-Terrain Vehicle (ATV), produced between 2002 and 2004. The series is recognized for its utility focus, offering a blend of power, comfort, and capability, building upon...
This manual covers the All-Terrain Vehicle (ATV), produced between 2002 and 2004. The series is recognized for its utility focus, offering a blend of power, comfort, and capability, building upon an established legacy in ATV manufacturing. Known for its 348 cc SOHC engine and automatic transmission with shaft-driven 4WD, the 350FAS is designed for a variety of tasks and terrains. Key features include substantial front and rear rack capacities, hydraulic disc brakes, and a comfortable riding experience, making it a reliable choice for both work and recreation.
This supplementary service manual provides comprehensive guidance for the maintenance and repair of the 350FAS for the 2002, 2003, and 2004 model years. It is intended for independent garages, DIY mechanics, and ATV owners seeking OEM-level information to perform repairs and upkeep efficiently. The manual details engine overhaul, transmission and clutch service, chassis components, and electrical systems, including complete wiring diagrams. It also covers general maintenance, troubleshooting, and diagnostics, featuring detailed illustrations and technical specifications to assist users with basic mechanical knowledge in maintaining their vehicle.
🏷️ Basic Information
Identification
Make:
Yamaha
Model:
Bruin 350FAS
Model Code:
YFM350FAS
Year:
2002-2004
Vehicle Type:
All-Terrain Vehicle (ATV)
Codes
Manual Product Name:
YAMAHA YFM35FAS 350FAS BRUIN 2002 - 2004 SUPPLEMENTARY SERVICE MANUAL
Manual Product Code:
Not Specified
👋 Introduction
Market Position
Positioning:
Essential diagnostic and repair guide for owners and independent workshops seeking to maintain or repair their Yamaha Bruin 350FAS.
Competitive Analysis
Value Proposition:
Provides OEM-level information, enabling significant cost savings on repairs compared to dealership service.
Key Features
Feature 1:
Comprehensive coverage of all repair aspects, front to back.
Feature 2:
Detailed technical specifications and illustrations.
Feature 3:
Troubleshooting guidance for efficient problem diagnosis.
Feature 4:
Complete torque specifications for critical fasteners.
Feature 5:
Full wiring diagrams for electrical system diagnostics.
📋 Manual Details
Coverage Areas
Primary Coverage:
Supplementary Service and Repair for Yamaha Bruin 350FAS ATVs
Model Years Covered:
2002, 2003, 2004
Page Count
Page Count:
119
Manual Type
Manual Type:
Supplementary Service Manual
Intended Audience:
Independent Garages, DIY Mechanics, ATV Owners
Language
Language:
English (Inferred from description)
Format
Format:
Downloadable (Printable)
📖 Manual Coverage
Systems Covered
Engine:
Engine Overhaul and Rebuilding, Fuel & Exhaust, Ignition & Electrical, Timing Belt Service Procedures
Mikuni VM32SS (or similar, specific model to be confirmed by manual)
Performance
Horsepower:
Approximately 18-20 HP (Estimate, official figures may vary)
Torque:
Not Specified in product description, detailed in manual
Fuel System
Fuel Type:
Unleaded Gasoline
Fuel Tank Capacity:
3.2 US gal (12 L)
🔧 Transmission
Standard
Transmission Type:
Automatic (Ultramatic®)
Drive System:
Shaft Drive, 4WD (FAS denotes 4WD with Automatic)
Optional
Optional Drive:
2WD variants might exist, but 'FAS' typically indicates 4WD
Features
Clutch Type:
Wet, automatic centrifugal clutch
Gear Selection:
High, Low, Neutral, Reverse
📐 Dimensions
Exterior
Length:
76.8 in (1950 mm)
Width:
43.3 in (1100 mm)
Height:
45.1 in (1145 mm)
Wheelbase:
49.2 in (1250 mm)
Weights
Dry Weight:
571 lbs (259 kg)
Curb Weight:
Not Specified, typically higher than dry weight
Cargo
Front Rack Capacity:
99 lbs (45 kg)
Rear Rack Capacity:
176 lbs (80 kg)
Tires
Front Tire Size:
AT25 x 8-12
Rear Tire Size:
AT25 x 10-12
Wheel Bolt Pattern:
Not specified, typically 4-bolt
🛡️ Safety Features
Ratings
Rollover Protection:
Standard ATV design, does not include a roll cage or seatbelts. Operator safety relies on proper riding techniques and protective gear.
Active Features
Braking System:
Hydraulic disc brakes (front and rear)
Parking Brake:
Yes, typically integrated with rear brake caliper.
Passive Features
Lighting:
Dual headlights, taillight/brake light
💡 Technology Features
Infotainment
Infotainment System:
Not applicable; ATVs of this era do not feature infotainment systems.
Driver Assistance
Driver Assistance Features:
Not applicable; basic ATVs do not have advanced driver assistance systems.
Connectivity
Connectivity Features:
Not applicable.
🔧 Maintenance
Service Intervals
Oil Change:
Recommended every 100 hours or annually (Refer to manual for specific intervals and conditions)
Air Filter Cleaning:
Inspect and clean every 20 hours or as needed, especially in dusty conditions.
Spark Plug Replacement:
Refer to manual; typically 1,000-2,000 hours or as performance degrades.
Fluid Specifications
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher, JASO MA)
Engine Oil Capacity:
Refer to manual (typically around 1.6-1.8 liters with filter change)
Gear Oil Type:
Yamalube Gear Oil (or equivalent SAE 80 API GL-4)
Coolant Type:
Not Applicable (Air-cooled engine)
Known Issues
Common Wear Items:
Brake pads, tires, drive shafts, wheel bearings, carburetor jetting due to ethanol fuels.
Carburetor Issues:
Can be prone to clogging if fuel is left in for extended periods or if debris is present in the fuel system.
Electrical Connections:
Corrosion or loose connections in exposed areas can lead to intermittent electrical faults. Wire diagrams are crucial for diagnosis.
📚 Vehicle History
Brand Heritage
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for building reliable and performance-oriented ATVs, dating back to the early 1980s with models like the Yamaha Moto-4.
Model Evolution
Bruin Lineage:
The Bruin series was introduced as a utility-focused ATV, offering a balance of power, comfort, and capability. It evolved from previous Yamaha utility models and paved the way for later generations of Yamaha utility ATVs.
Production
Manufacturing Location:
Primarily Japan or USA (specific plant details not provided in product info)
🏆 Awards & Recognition
Recognitions
Atv Awards:
Specific awards for the 2002-2004 Bruin 350FAS are not widely publicized. However, Yamaha ATVs in general have consistently received positive reviews for reliability and performance in their class.