🏷️ Basic Information
Identification
Make:
Yamaha
Model:
Bruin 250
Vehicle Type:
ATV (All-Terrain Vehicle)
Sub Models Covered:
YFM250BT, YFM25BV (2WD)
Codes
Model Code Prefix:
YFM250
👋 Introduction
Market Position
Vehicle Segment:
Entry-level to Mid-range Utility ATV
Target Audience:
Recreational riders, light utility users
Competitive Analysis
Key Competitors:
Honda Rancher, Suzuki Eiger, Polaris Sportsman 300/330
Key Features
Manual Value Proposition:
Instant access to factory-level repair and maintenance information for DIY enthusiasts and professional technicians.
Vehicle Strengths:
Reliability, ease of use, affordability.
📋 Manual Details
Coverage Areas
Manufacturer Coverage:
Full Vehicle
Section Coverage:
All Chapters Apply to Whole Vehicle
Page Count
Estimated Page Count:
Varies (typical factory service manual for this era is 300-500 pages)
Manual Type
Type:
Factory Service Manual / Repair Manual
Language
Language:
English
Format
Delivery Format:
Downloadable Digital File
Viewing Requirements:
No Special Software Required (PDF Compatible)
📖 Manual Coverage
Systems Covered
Powertrain:
Engine, Fuel System, Cooling System, Drive Train
Chassis And Body:
Chassis and Body, Steering and Suspension
Brakes:
Brakes
Electrical:
Electrical System, Wiring Diagrams
Procedures Included
Maintenance:
Scheduled Maintenance, Fluid Checks and Changes, Filter Replacements
Repair:
Component Removal and Installation, Reassembly Procedures, System Overhauls
Troubleshooting:
Diagnostic Procedures, Fault Identification, Correction of Issues
Technical Depth
Depth:
Comprehensive (From basic adjustments to major overhauls)
Illustration Quality:
High (Includes diagrams, exploded parts views, pictures)
📊 Manual Specifications
File Format
Format:
PDF
Searchability:
Likely Searchable Text (Common for factory digital manuals)
Print Quality
Printability:
Printable
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Quality:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Four-stroke, SOHC, Air-Cooled
Displacement:
249cc (249 cm3)
Bore X Stroke:
74.0 x 58.0 mm
Compression Ratio:
10.0:1
Performance
Horsepower:
Approximately 15-17 HP (Estimate based on class)
Torque:
N/A (Specific figures not readily available without manual)
Fuel System
Fuel Delivery:
Carburetor (Mikuni BS32)
Fuel Type:
Unleaded Gasoline
Cooling System
Cooling Method:
Air-Cooled
Ignition
Ignition System:
CDI (Capacitor Discharge Ignition)
Starting System
Starter:
Electric Start
Lubrication
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher)
🔧 Transmission
Standard
Type:
Automatic (V-belt type Continuously Variable Transmission - CVT)
Drive System:
Shaft Drive
Features
Gear Selection:
Forward (Hi/Lo), Neutral, Reverse
Fluid Specifications
Transmission Fluid Type:
Yamalube Gear Oil (or equivalent SAE 80 API GL-4)
📐 Dimensions
Exterior
Length:
Approx. 73.4 in (1865 mm)
Width:
Approx. 41.9 in (1065 mm)
Height:
Approx. 43.9 in (1115 mm)
Weights
Dry Weight:
Approx. 503 lbs (228 kg)
Fuel Capacity:
3.2 gal (12 L)
Oil Capacity:
2.1 L / 2.2 US qt (Engine Oil)
🛡️ Safety Features
Ratings
Atv Safety Standards:
Manufactured to meet ANSI standards.
Active Features
Braking System:
Hydraulic Disc Brakes (Front and Rear)
Passive Features
Lighting:
Dual Halogen Headlights, Taillight/Brake Light
💡 Technology Features
Infotainment
Display Features:
Digital Odometer, Hour Meter, Fuel Gauge, Neutral Indicator Light
Driver Assistance
No Specific Features:
This model predates advanced driver-assistance systems commonly found in modern vehicles.
Connectivity
No Connectivity Features:
No integrated Bluetooth, GPS, or smartphone connectivity.
🔧 Maintenance
Service Intervals
Engine Oil Change:
Every 1000 km or 6 months (whichever comes first)
Spark Plug Check:
Every 1000 km
Air Filter Cleaning:
Every 500 km or as needed in dusty conditions
Fluid Specifications
Engine Oil Viscosity:
SAE 10W-40
Engine Oil API Service:
API SG or higher
Brake Fluid Type:
DOT 3
Known Issues
Common Wear Items:
Brake pads, tires, drive belts (CVT).
Potential Performance Issues:
Carburetor cleaning and adjustment may be required over time due to fuel deposits.
Electrical Gremlins:
Corrosion in connectors or failing grounds can sometimes cause intermittent electrical issues.
📚 Vehicle History
Brand Heritage
Manufacturer Reputation:
Yamaha is renowned for its long history of producing reliable and high-performance motorcycles, ATVs, and marine products.
Model Evolution
Bruin Lineage:
The Bruin line replaced the Grizzly 350 2WD models and offered a more accessible entry point into Yamaha's ATV lineup, focusing on utility and comfort.
Production
Production Years:
2004-2007 (with variations in designation)
Manufacturing Location:
Japan (Primary)
🏆 Awards & Recognition
Recognitions
Industry Acknowledgment:
While specific awards for the 2005-2006 Bruin 250 are not widely publicized, Yamaha ATVs consistently receive positive reviews for reliability and capability within their respective classes.
Instant access to factory-level repair and maintenance information for DIY enthusiasts and professional technicians.
Vehicle Strengths:
Reliability, ease of use, affordability.
📋 Manual Details
Coverage Areas
Manufacturer Coverage:
Full Vehicle
Section Coverage:
All Chapters Apply to Whole Vehicle
Page Count
Estimated Page Count:
Varies (typical factory service manual for this era is 300-500 pages)
Manual Type
Type:
Factory Service Manual / Repair Manual
Language
Language:
English
Format
Delivery Format:
Downloadable Digital File
Viewing Requirements:
No Special Software Required (PDF Compatible)
📖 Manual Coverage
Systems Covered
Powertrain:
Engine, Fuel System, Cooling System, Drive Train
Chassis And Body:
Chassis and Body, Steering and Suspension
Brakes:
Brakes
Electrical:
Electrical System, Wiring Diagrams
Procedures Included
Maintenance:
Scheduled Maintenance, Fluid Checks and Changes, Filter Replacements
Repair:
Component Removal and Installation, Reassembly Procedures, System Overhauls
Troubleshooting:
Diagnostic Procedures, Fault Identification, Correction of Issues
Technical Depth
Depth:
Comprehensive (From basic adjustments to major overhauls)
Illustration Quality:
High (Includes diagrams, exploded parts views, pictures)
📊 Manual Specifications
File Format
Format:
PDF
Searchability:
Likely Searchable Text (Common for factory digital manuals)
Print Quality
Printability:
Printable
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Quality:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Four-stroke, SOHC, Air-Cooled
Displacement:
249cc (249 cm3)
Bore X Stroke:
74.0 x 58.0 mm
Compression Ratio:
10.0:1
Performance
Horsepower:
Approximately 15-17 HP (Estimate based on class)
Torque:
N/A (Specific figures not readily available without manual)
Fuel System
Fuel Delivery:
Carburetor (Mikuni BS32)
Fuel Type:
Unleaded Gasoline
Cooling System
Cooling Method:
Air-Cooled
Ignition
Ignition System:
CDI (Capacitor Discharge Ignition)
Starting System
Starter:
Electric Start
Lubrication
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher)
🔧 Transmission
Standard
Type:
Automatic (V-belt type Continuously Variable Transmission - CVT)
Drive System:
Shaft Drive
Features
Gear Selection:
Forward (Hi/Lo), Neutral, Reverse
Fluid Specifications
Transmission Fluid Type:
Yamalube Gear Oil (or equivalent SAE 80 API GL-4)
📐 Dimensions
Exterior
Length:
Approx. 73.4 in (1865 mm)
Width:
Approx. 41.9 in (1065 mm)
Height:
Approx. 43.9 in (1115 mm)
Weights
Dry Weight:
Approx. 503 lbs (228 kg)
Fuel Capacity:
3.2 gal (12 L)
Oil Capacity:
2.1 L / 2.2 US qt (Engine Oil)
🛡️ Safety Features
Ratings
Atv Safety Standards:
Manufactured to meet ANSI standards.
Active Features
Braking System:
Hydraulic Disc Brakes (Front and Rear)
Passive Features
Lighting:
Dual Halogen Headlights, Taillight/Brake Light
💡 Technology Features
Infotainment
Display Features:
Digital Odometer, Hour Meter, Fuel Gauge, Neutral Indicator Light
Driver Assistance
No Specific Features:
This model predates advanced driver-assistance systems commonly found in modern vehicles.
Connectivity
No Connectivity Features:
No integrated Bluetooth, GPS, or smartphone connectivity.
🔧 Maintenance
Service Intervals
Engine Oil Change:
Every 1000 km or 6 months (whichever comes first)
Spark Plug Check:
Every 1000 km
Air Filter Cleaning:
Every 500 km or as needed in dusty conditions
Fluid Specifications
Engine Oil Viscosity:
SAE 10W-40
Engine Oil API Service:
API SG or higher
Brake Fluid Type:
DOT 3
Known Issues
Common Wear Items:
Brake pads, tires, drive belts (CVT).
Potential Performance Issues:
Carburetor cleaning and adjustment may be required over time due to fuel deposits.
Electrical Gremlins:
Corrosion in connectors or failing grounds can sometimes cause intermittent electrical issues.
📚 Vehicle History
Brand Heritage
Manufacturer Reputation:
Yamaha is renowned for its long history of producing reliable and high-performance motorcycles, ATVs, and marine products.
Model Evolution
Bruin Lineage:
The Bruin line replaced the Grizzly 350 2WD models and offered a more accessible entry point into Yamaha's ATV lineup, focusing on utility and comfort.
Production
Production Years:
2004-2007 (with variations in designation)
Manufacturing Location:
Japan (Primary)
🏆 Awards & Recognition
Recognitions
Industry Acknowledgment:
While specific awards for the 2005-2006 Bruin 250 are not widely publicized, Yamaha ATVs consistently receive positive reviews for reliability and capability within their respective classes.