Yamaha BR250 2008 Full Service Repair Manual

常规价格: $16.99
促销价: $16.99
常规价格
单价: 单价

🏷️ Basic Information Identification Make: Yamaha Model: BR250 Year: 2008 Vehicle Type: Motorcycle Codes Chassis Code Prefix: BR250 👋 Introduction Market Position Market Segment: Compact Dual-Sport / Enduro Motorcycle Target...

21 people are viewing this right now

类型: Motorcycle

斯库: 7264

标签: 2008 Apex Models BR250 Motorcycle Powersports Snowmobiles Yamaha

产品多属性

Description

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

BR250

Year:

Vehicle Type:

Motorcycle

Codes

Chassis Code Prefix:

BR250

👋 Introduction

Market Position

Market Segment:

Compact Dual-Sport / Enduro Motorcycle

Target Audience:

Off-road enthusiasts, trail riders, dual-sport riders seeking a lightweight and capable machine.

Competitive Analysis

Key Competitors:

Honda CRF250X, Kawasaki KLX250S, Suzuki DR-Z250, KTM 250 EXC.

Key Features

Engine Type:

Lightweight, torquey single-cylinder engine designed for versatility.

Suspension:

Robust suspension system capable of handling varied terrain.

Durability:

Yamaha's reputation for building reliable and durable off-road machinery.

Accessibility:

Likely designed for ease of maintenance and repair for the average owner.

📋 Manual Details

Coverage Areas

Primary Coverage:

Complete Service and Repair

Secondary Coverage:

Maintenance, Troubleshooting, Rebuilding, Refurbishing, Restoration

Page Count

Estimated Page Count:

Extensive (typically 500+ pages for a full service manual)

Manual Type

Manual Type:

Full Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Detailed disassembly, inspection, and reassembly of engine components (cylinder head, piston, crankshaft, connecting rods, valves, camshafts).

Engine Fuel System:

Carburetor(s) tuning, cleaning, and rebuilding; fuel pump inspection and testing; fuel filter replacement.

Engine Lubrication:

Oil pump inspection, oil filter replacement, oil change procedures, oil specifications.

Engine Cooling:

Radiator maintenance, coolant specifications, fan operation, thermostat testing (if applicable).

Ignition System:

Spark plug specifications, ignition timing adjustment, coil testing, CDI unit diagnostics.

Transmission Drivetrain:

Clutch operation, inspection, and adjustment; gearbox disassembly and reassembly; chain and sprocket maintenance; gear oil specifications.

Brakes System:

Brake pad replacement, caliper servicing, brake fluid specifications and bleeding procedures, master cylinder inspection.

Suspension Steering:

Front fork disassembly, seal replacement, oil specifications, rear shock absorber inspection and replacement, steering head bearing adjustment.

Electrical System:

Battery maintenance and testing, charging system (stator, regulator/rectifier) troubleshooting, lighting system diagnostics, wiring diagrams.

Body Frame:

Panel removal and installation, seat maintenance, fender replacement, chassis inspection.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, chain lubrication and adjustment, brake checks, tire pressure checks.

Troubleshooting Diagnostics:

Systematic approaches to identify and resolve common and uncommon faults, diagnostic charts, symptom-based guides.

Engine Rebuild:

Complete engine overhaul procedures, including bore honing, piston ring installation, valve lapping, gasket replacement.

Carburetor Tuning:

Detailed steps for adjusting idle speed, air/fuel mixture, and jetting for optimal performance.

Suspension Overhaul:

Front fork seal replacement, damping rod adjustments, rear shock absorber rebuilds.

Electrical Component Testing:

Using multimeters to test stators, regulators, ignition coils, and sensors.

Brake System Bleeding:

Proper techniques for purging air from hydraulic brake lines.

Wheel Bearing Replacement:

Steps for removing and installing wheel bearings.

Wiring Diagram Interpretation:

Understanding and using electrical schematics for fault finding.

Technical Depth

Depth Level:

Comprehensive: Covers basic maintenance to complete engine and component rebuilds.

Torque Specifications:

All critical fastener torque values provided for engine, chassis, and suspension components.

Clearances Tolerances:

Precise specifications for piston-to-cylinder wall, ring gap, valve lash, bearing clearances, etc.

Diagnostic Charts:

Flowcharts and tables to aid in diagnosing electrical and mechanical issues.

Special Tool Requirements:

Identification of specific tools needed for certain procedures.

Illustration Diagrams:

Detailed exploded views and diagrams illustrating assembly and disassembly sequences.

📊 Manual Specifications

File Format

File Format:

PDF (Portable Document Format)

Print Quality

Print Quality:

High-resolution, suitable for digital viewing and printing.

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Four-stroke, SOHC, liquid-cooled single cylinder

Displacement:

Approximately 249cc (Exact specification may vary slightly by market or specific sub-model).

Bore X Stroke:

Standard specifications for this class of engine (e.g., 74mm x 58mm common for similar displacements).

Compression Ratio:

Typical for performance-oriented dual-sports (e.g., 10.5:1 to 12.0:1).

Performance

Horsepower:

Estimated 20-25 HP (Power figures are often quoted at the crank and can vary).

Torque:

Designed for tractable low-to-mid range torque for off-road use.

Fuel System

Fuel Delivery:

Carburetor (likely a Mikuni VM or similar).

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

Typical for dual-sports, around 2.5-3.5 gallons.

🔧 Transmission

Standard

Transmission Type:

Constant mesh 6-speed

Optional

Optional Transmission:

Features

Clutch Type:

Wet, multi-plate

Final Drive:

O-ring sealed chain

Gear Ratios:

Specific ratios detailed in the manual.

Transmission Fluid Type:

Yamaha Genuine Gear Oil or equivalent SAE 10W-40 or SAE 20W-40 motorcycle oil.

📐 Dimensions

Exterior

Overall Length:

Standard dimensions for a 250cc dual-sport, likely around 80-85 inches.

Overall Width:

Standard dimensions, typically 30-35 inches.

Overall Height:

Standard dimensions, typically 45-50 inches.

Wheelbase:

Around 55-57 inches for stability on and off-road.

Ground Clearance:

Designed for off-road use, typically 10-12 inches.

Seat Height:

Likely between 34-36 inches, common for dual-sports.

Weights

Dry Weight:

Typically around 240-260 lbs for a 250cc dual-sport.

Wet Weight:

Will increase with fluids, approximately 260-280 lbs.

🛡️ Safety Features

Ratings

Safety Ratings:

Motorcycles are not typically assigned NHTSA or IIHS crash test ratings. Safety is dependent on rider skill and adherence to traffic laws.

Active Features

Braking System:

Disc brakes front and rear for effective stopping power.

Lighting:

Headlight, tail light, brake light, turn signals for visibility.

Passive Features

Frame Construction:

Sturdy frame designed to withstand off-road stress.

Ergonomics:

Designed for rider control and comfort over varied terrain.

💡 Technology Features

Infotainment

Infotainment System:

None (typical for a 2008 dual-sport motorcycle).

Driver Assistance

Driver Assistance Features:

None (typical for a 2008 dual-sport motorcycle).

Connectivity

Connectivity Options:

None (typical for a 2008 dual-sport motorcycle).

Instrumentation

Instrument Cluster:

Analog speedometer, tachometer, odometer, trip meter, neutral indicator, high-beam indicator.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000 km (1,865 miles) or 6 months, whichever comes first (typical for this type of motorcycle).

Air Filter Cleaning:

Every 1,000 km (620 miles) or as needed depending on riding conditions.

Chain Maintenance:

Lubricate and adjust chain every 500 km (310 miles).

Valve Clearance Check:

Every 6,000 km (3,730 miles) or 12 months.

Fluid Specifications

Engine Oil Type:

Yamalube 4-stroke Motorcycle Oil SAE 10W-40 or SAE 20W-40 API SG or higher.

Engine Oil Capacity:

Approximately 1.5 - 1.8 liters (1.6 - 1.9 US qt) with filter change.

Coolant Type:

Yamaha's recommended permanent type antifreeze coolant (50/50 mix with distilled water).

Brake Fluid Type:

DOT 4 brake fluid.

Known Issues

Common Wear Items:

Clutch plates, brake pads, sprockets, chain, fork seals, wheel bearings due to off-road use.

Carburetor Clogging:

Can occur if fuel is left in the carburetor for extended periods without use; requires regular cleaning/stabilizing.

Electrical Connector Corrosion:

Can happen in wet or dirty environments; requires regular inspection and dielectric grease application.

📚 Vehicle History

Brand Heritage

Yamaha Legacy:

Yamaha's long-standing reputation for innovation, performance, and reliability in motorcycles, particularly in off-road disciplines.

Model Evolution

Br250 Lineage:

Part of Yamaha's lineage of capable 250cc off-road and dual-sport motorcycles, building on previous models like the XT and WR series.

Production

Production Years:

The BR250 model has been in production for several years, with the 2008 model being a specific iteration.

Manufacturing Location:

Typically manufactured in Japan or other Yamaha global facilities.

🏆 Awards & Recognition

Recognitions

Model Specific Awards:

Specific awards for the BR250 model in 2008 are not widely documented. However, Yamaha motorcycles consistently receive praise for reliability and performance in their respective classes.

Ratings

Reliability Reputation:

Yamaha generally holds a strong reputation for long-term reliability and durability, especially in its off-road focused models.