Yamaha WR250R/WR250X Service Manual Repair 2008 WR250

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Tipo: Motorcycle

Proveedor:

SKU: 128555

Etiquetas: 2008 Marine Motorcycle Sterndrive WR250R WR250X Yamaha

Variantes de producto

Descripción

The 2008 Yamaha WR250R and WR250X represent Yamaha's engineering prowess in the dual-sport and supermoto motorcycle segments. The WR250R offers exceptional versatility for both on-road commuting and off-road exploration, while the WR250X provides a street-focused supermoto experience. Both models are powered by a high-performance, liquid-cooled, 250cc four-stroke engine featuring DOHC and four valves, delivering approximately 29.6 hp and 17.9 lb-ft of torque. They are built upon a lightweight yet robust aluminum frame, ensuring excellent handling and maneuverability. Notable features include an advanced Electronic Fuel Injection (EFI) system for optimal performance and reliability, a 6-speed transmission, and a sophisticated suspension system designed for diverse riding conditions. This comprehensive 362-page Factory Service Manual provides detailed guidance for the maintenance, repair, and troubleshooting of the 2008 Yamaha WR250R and WR250X. It covers all essential systems, including the engine, fuel system, transmission, drivetrain, suspension, brakes, and electrical systems. The manual offers step-by-step procedures for scheduled maintenance, component disassembly and reassembly, and diagnostic fault finding. With clear illustrations, diagrams, and searchable text, this English-language manual is an invaluable resource for owners, mechanics, and technicians aiming to preserve the performance, reliability, and longevity of their Yamaha WR250R or WR250X.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

WR250R / WR250X

Year:

Product Type:

Service and Repair Manual

👋 Introduction

Market Position

Segment:

Dual-sport and Supermoto motorcycles

Competitive Analysis

Competitors:

Honda CRF250L, Kawasaki KLX250S, Suzuki DR-Z400S, KTM 250 EXC-F

Key Features

Versatility:

The WR250R is a capable dual-sport, while the WR250X offers a supermoto package for street-focused performance.

Engine Type:

High-performance liquid-cooled, four-stroke, DOHC, four-valve single-cylinder engine.

Manual Value

Diy Support:

Enables DIY enthusiasts to perform a wide range of maintenance and repairs.

Cost Savings:

Provides the knowledge to avoid costly dealership service for routine tasks and repairs.

Support

Replacement Policy:

Free replacement offered if the customer loses the manual.

📋 Manual Details

Coverage Areas

Primary Models Covered:

2008 Yamaha WR250R (Dual Sport), 2008 Yamaha WR250X (Supermoto)

Page Count

Total Pages:

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

Digital (PDF)

📖 Manual Coverage

Systems Covered

Engine:

Complete engine disassembly, assembly, and diagnostics (including lubrication, cooling, timing, valve train, piston, conrod, crankshaft, etc.)

Fuel System:

Fuel injection system (EFI), fuel pump, injectors, throttle body, fuel filter, fuel tank, fuel lines, fuel pressure regulator.

Transmission:

Gearbox operation, disassembly, assembly, lubrication, internal components, troubleshooting.

Drivetrain:

Clutch operation, components, adjustments, and service; primary reduction gear, drive shaft, rear sprocket, chain maintenance.

Suspension:

Front forks (USD telescopic forks), rear shock absorber (monoshock), swingarm, linkage system, fork oil type and capacity, spring rates, adjustments, maintenance, and repair.

Brakes:

Front and rear hydraulic disc brakes, brake calipers, master cylinders, brake lines, brake fluid type (DOT 4), bleeding procedures, pad replacement, rotor inspection.

Electrical System:

Ignition system (CDI/TCI), starter motor, battery, charging system (stator, rectifier/regulator), lighting, switches, wiring diagrams, troubleshooting electrical faults, diagnostic codes.

Cooling System:

Radiator, cooling fan, coolant type, coolant capacity, flush and fill procedures, thermostat, water pump.

Exhaust System:

Muffler, exhaust pipes, heat shields, O2 sensor (if applicable), gasket replacement.

Frame And Bodywork:

Frame inspection, subframe, body panels, fenders, seat, fuel tank mounting, handlebars, triple clamps, steering head bearings.

Procedures Included

Maintenance:

Scheduled maintenance (oil changes, filter replacement, air filter cleaning, chain lubrication, brake fluid changes), valve clearance adjustment, spark plug replacement, tire pressure checks.

Troubleshooting:

Step-by-step diagnostic procedures for common problems such as no spark, starting issues, engine performance problems, electrical faults, fuel delivery issues.

Repair And Rebuild:

Complete tear down and rebuild instructions for all major components, including engine overhaul, transmission rebuild, suspension fork service, brake caliper rebuild.

Installation:

Instructions for installing aftermarket parts or replacement components.

Technical Depth

Depth:

Comprehensive from basic owner maintenance to complete engine rebuilds, covering all mechanical and electrical aspects.

Visual Aids:

Includes pictures, diagrams, and illustrations for clarity in procedures and component identification.

📊 Manual Specifications

File Format

Format:

Print Quality

Printing Restriction:

No restrictions on printing

Binding Type

Binding:

Not Applicable (Digital Download)

Paper Type

Paper Type:

Not Applicable (Digital Download)

Searchability

Text Searchability:

Searchable PDF content

Navigation

Chapter Navigation:

Clickable chapters for easy navigation

Storage

Saving Options:

No restrictions on saving/burning to disc

⚙️ Engine Specifications

Primary Engine

Engine Type:

Liquid-cooled, four-stroke, DOHC, four-valve

Displacement:

250cc

Bore X Stroke:

77.0 mm x 53.6 mm

Compression Ratio:

11.8:1

Lubrication:

Wet sump, specific oil type and capacity provided in manual.

Performance

Horsepower:

Approximately 29.6 hp @ 10,000 rpm (subject to region and specific tuning)

Torque:

Approximately 17.9 lb-ft @ 8,500 rpm (subject to region and specific tuning)

Fuel System

Fuel Delivery:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline, minimum 87 octane

Ignition

Ignition System:

Digital TCI (Transistor Controlled Ignition) with electronic advance

Cooling System

Cooling Method:

Liquid-cooled, forced circulation

🔧 Transmission

Standard

Type:

Constant mesh, 6-speed return

Features

Clutch Type:

Wet, multiple-disc clutch

Final Drive:

Chain drive

Lubrication

Transmission Oil Type:

Yamalube Gear Oil (or equivalent high-quality motorcycle gear oil) - specific viscosity and capacity in manual.

📐 Dimensions

Exterior

Wr250R Length:

87.2 in (2215 mm)

Wr250X Length:

84.1 in (2135 mm)

Wr250R Width:

32.3 in (820 mm)

Wr250X Width:

32.3 in (820 mm)

Wr250R Height:

48.6 in (1235 mm)

Wr250X Height:

45.1 in (1145 mm)

Wr250R Seat Height:

36.6 in (930 mm)

Wr250X Seat Height:

35.0 in (890 mm)

Wr250R Ground Clearance:

12.6 in (320 mm)

Wr250X Ground Clearance:

7.1 in (180 mm)

Weights

Wr250R Wet Weight:

291 lbs (132 kg)

Wr250X Wet Weight:

291 lbs (132 kg)

Wr250R Fuel Capacity:

2.0 gal (7.6 L)

Wr250X Fuel Capacity:

2.1 gal (8.0 L)

Frame Type:

Aluminum, cast/fabricated

Wheels And Tires

Wr250R Front Tire:

80/100-21M/C 51P (Tube Type)

Wr250R Rear Tire:

120/80-18M/C 62P (Tube Type)

Wr250X Front Tire:

110/70-17M/C 54S (Tubeless)

Wr250X Rear Tire:

140/70-17M/C 66S (Tubeless)

🛡️ Safety Features

Ratings

Crash Test Results:

N/A (Motorcycle, not subject to automotive crash testing standards)

Active Features

Braking System:

Advanced hydraulic disc braking system with wave-style rotors for improved heat dissipation and stopping power.

Passive Features

Frame Construction:

Lightweight yet strong aluminum frame designed for stability and maneuverability.

Lighting:

Halogen headlight and LED tail light for enhanced visibility.

💡 Technology Features

Infotainment

Infotainment System:

N/A (Performance motorcycle, no complex infotainment system)

Driver Assistance

Rider Aids:

ABS was not a standard feature on the 2008 models. Focus is on mechanical and electronic systems for performance and reliability.

Connectivity

Connectivity Features:

Engine Management

Efi System:

Advanced Electronic Fuel Injection (EFI) system with precise fuel and ignition timing for optimal performance and emissions.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 3,000 miles (4,800 km) or 6 months. Refer to manual for specific conditions.

Oil Filter Replacement:

Concurrent with engine oil changes.

Air Filter Cleaning:

Every 2,000 miles (3,200 km) or more frequently in dusty conditions.

Valve Clearance Check:

Every 16,000 miles (26,000 km). Detailed procedure and specifications in manual.

Brake Fluid Change:

Every 2 years or as needed based on condition.

Fluid Specifications

Engine Oil:

Yamalube 4 (or equivalent 4-stroke motorcycle oil) SAE 10W-40, API SG or higher, JASO MA compatible. Refer to manual for exact capacity.

Coolant:

High-quality permanent type ethylene glycol coolant, 50% solution with demineralized water. Capacity specified in manual.

Brake Fluid:

SAE J1703 or DOT 4 compliant.

Known Issues

Common Complaints:

Some owners report occasional bogging or hesitation under heavy acceleration, which can often be resolved with EFI tuning or minor fuel system adjustments detailed in the manual. Normal wear items like brake pads and tires are expected.

📚 Vehicle History

Brand Heritage

Yamaha Motorcycles:

Yamaha Motor Company has a long and storied history in motorcycle manufacturing, known for innovation, performance, and reliability across various disciplines including motocross, off-road, and street bikes.

Model Evolution

Wr Series:

The WR series represents Yamaha's commitment to off-road and dual-sport performance, building on a legacy of championship-winning machines. The WR250R/X were introduced to bridge the gap between dedicated off-road bikes and more street-oriented machines, offering a blend of capability and usability.

Production

Production Period:

The WR250R and WR250X were produced for several years, with the 2008 model being part of the initial and highly regarded generation.

🏆 Awards & Recognition

Recognitions

Industry Reviews:

The WR250R/X received positive reviews for its robust engine, capable suspension, and versatility, praised as a well-rounded package for both on-road and off-road riding.