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.