2003 Yamaha WR250F Motorcycle Parts Catalog

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Taper: Motorcycle

Distributeur:

UGS: 121509

Mots clés: 2003 Marine Motorcycle Sterndrive WR250F Yamaha

Variantes de produits

Description

The WR250F, a 2003 model, is a high-performance off-road motorcycle engineered for cross-country, enduro, and trail riding. It features a liquid-cooled, DOHC, four-stroke, single-cylinder engine with a displacement of 249cc, designed to deliver strong low-to-mid range torque and agile handling. Its advanced adjustable suspension system is optimized for varied terrain, reflecting a long-standing reputation for producing capable and reliable off-road machines derived from successful motocross platforms. This English-language Parts Catalog provides comprehensive component-level identification and sourcing for all WR250F motorcycle parts. It includes detailed exploded diagrams to illustrate part relationships, aiding in disassembly and assembly, and specifies the quantity of each part required. The catalog covers critical systems such as the engine, transmission, chassis, fuel, cooling, electrical, braking, and wheel/tire components, serving as an essential reference for owners and technicians seeking to maintain and repair their vehicle with genuine replacement parts.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

WR250F

Year:

Product Type:

Parts Catalog

👋 Introduction

Market Position

Category:

Performance Off-Road Motorcycle

Intended Use:

Cross-country, enduro, and trail riding

Competitive Analysis

Key Competitors:

KTM 250 EXC, Honda CRF250X, Suzuki RMX250, Kawasaki KX250F

Key Features

Engine Configuration:

Liquid-cooled, DOHC, four-stroke, single-cylinder

Performance Orientation:

Designed for off-road performance with strong low-to-mid range torque

Suspension Type:

Advanced adjustable suspension for varied terrain

Manual Utility:

Essential for owners and mechanics requiring genuine replacement parts and correct identification

📋 Manual Details

Coverage Areas

Primary Coverage:

All Yamaha WR250F motorcycle components

Secondary Coverage:

Part identification, disassembly and assembly references

Page Count

Estimated Page Count:

Varies by specific catalog edition, typically 200-400 pages

Manual Type

Type:

Parts Catalog

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine Components:

Cylinder head, cylinder, piston, crankshaft, camshaft, valves, carburetor, ignition system components

Transmission Components:

Gearbox, clutch assembly, shift drum, shift forks, drive sprockets

Chassis Components:

Frame, sub-frame, swingarm, suspension (forks and rear shock), steering head assembly

Fuel System Components:

Fuel tank, fuel pump, fuel lines, carburetor jets and internal components

Cooling System Components:

Radiator, water pump, hoses, thermostat

Electrical Components:

Wiring harness, lighting, battery, starter motor, CDI unit, stator

Braking System Components:

Front and rear brake calipers, master cylinders, brake lines, brake discs, brake pads

Wheel And Tire Components:

Rims, spokes, hubs, axles, wheel bearings

Exhaust System Components:

Exhaust header pipe, muffler, mounting hardware

Control Components:

Handlebars, levers, cables, footpegs, shifter assembly

Procedures Included

Part Identification:

Comprehensive identification of all genuine Yamaha parts with part numbers

Disassembly Reference:

Exploded diagrams illustrating part relationships for disassembly

Assembly Reference:

Exploded diagrams guiding re-assembly procedures

Quantity Indication:

Specifies the quantity of each part required for assembly

Remark Notation:

Includes remarks or notes for specific parts or procedures

Technical Depth

Depth:

Component-level identification and sourcing

Focus:

Parts cataloguing for repair and maintenance, not diagnostic procedures

📊 Manual Specifications

File Format

Print Quality:

High-resolution diagrams and text for clarity

Binding Type

Binding:

Stapled or perfect bound (typical for printed manuals)

Paper Type

Paper Quality:

Durable, often glossy paper to withstand workshop use

⚙️ Engine Specifications

Primary Engine

Engine Type:

Liquid-cooled, 4-stroke, DOHC, 5-valve, Single Cylinder

Displacement:

249 cc (Cubic Centimeters)

Bore X Stroke:

74.0 mm x 58.0 mm (approximate)

Compression Ratio:

12.5:1 (typical for this generation)

Performance

Horsepower:

Approximately 30-35 HP (at crankshaft, estimated)

Torque:

Approximately 18-20 lb-ft (at crankshaft, estimated)

Fuel System

Fuel Delivery:

Keihin FCR carburetor (specific model may vary, e.g., FCR33)

Ignition System:

Digital CDI

Engine Lubrication

Oil Type:

Yamalube 4-stroke motorcycle oil or equivalent SAE 10W-40 or 20W-50 API SG

Oil Capacity:

Approx. 1.2 L (with oil filter change)

🔧 Transmission

Standard

Type:

Constant mesh 5-speed

Clutch Type:

Wet, multi-plate

Features

Gear Ratios:

Specific ratios available in service manual, designed for off-road performance

Final Drive:

Chain drive

📐 Dimensions

Exterior

Length:

Approx. 2170 mm (85.4 in)

Width:

Approx. 815 mm (32.1 in)

Height:

Approx. 1260 mm (49.6 in)

Wheelbase:

Approx. 1475 mm (58.1 in)

Ground Clearance:

Approx. 325 mm (12.8 in)

Weights

Dry Weight:

Approx. 107 kg (236 lbs)

Wet Weight:

Approx. 115 kg (254 lbs) (with fluids, estimated)

Fuel Capacity

Fuel Tank Capacity:

Approx. 8.0 Liters (2.1 Gallons)

🛡️ Safety Features

Ratings

Safety Standards:

Meets relevant off-road safety regulations for its class

Active Features

Braking System:

Hydraulic disc brakes front and rear for reliable stopping power

Passive Features

Frame Construction:

Strong and rigid steel frame designed for off-road abuse

💡 Technology Features

Infotainment

Infotainment Features:

N/A (Motorcycle, not equipped with infotainment system)

Driver Assistance

Rider Aids:

N/A (Focus on mechanical systems and rider input)

Connectivity

Connectivity Features:

N/A (Motorcycle, not equipped with connectivity features)

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 10-15 hours of riding or annually, whichever comes first.

Air Filter Cleaning:

Every 5-10 hours of riding, depending on conditions.

Spark Plug Inspection:

Every 10-15 hours of riding.

Valve Clearance Check:

Every 20-30 hours of riding (critical for performance).

Fluid Specifications

Engine Oil:

Yamalube 4-stroke motorcycle oil or equivalent SAE 10W-40 API SG

Coolant:

Permanent type antifreeze coolant, mixed with distilled water at a 50/50 ratio

Brake Fluid:

DOT 4 hydraulic brake fluid

Clutch Fluid:

DOT 4 hydraulic clutch fluid (if hydraulic clutch, typical for WR models)

Known Issues

Carburetor Tuning:

May require jetting adjustments for different altitudes or temperatures. FCR carburetors can be sensitive.

Valve Tightening:

Valve clearances can tighten over time, requiring periodic adjustment to maintain optimal performance and prevent damage.

Cooling System Maintenance:

Regular coolant flushes and checking for leaks in hoses and radiator are important.

📚 Vehicle History

Brand Heritage

Yamaha Offroad Legacy:

Yamaha has a long-standing reputation for producing high-performance off-road motorcycles, particularly in motocross and enduro categories.

Model Evolution

Wr250F Development:

The WR series is Yamaha's enduro-focused line, derived from their successful YZ motocross models, adapted for off-road legal use and extended-range capabilities.

Production

Model Generation:

The 2003 model represents an important iteration in the early development of the WR250F, building on the success of its predecessors and incorporating Yamaha's innovative technologies.

🏆 Awards & Recognition

Recognitions

Industry Acclaim:

While specific awards for the 2003 model year might be limited, the WR250F platform has consistently received praise from motorcycle publications for its performance and off-road capability.

Ratings

Publication Reviews:

Consistently rated highly for its powerful engine, agile handling, and capable suspension in its class.