Yamaha WR 450 F Service Repair Manual 2007 2008 Multi

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🏷️ Basic Information Identification Make: Yamaha Model: WR450F Model Code: WR450FW (2007), WR450FX (2008) Vehicle Type: Dual-Sport / Off-Road Motorcycle Generation Generation: Second Generation (2007-2009) Codes Vin Code: 9th digit...

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UGS: 250147

Mots clés: 2007 2008 Motorcycle Motorcycles WR 450 F WR Models Yamaha

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

WR450F

Model Code:

WR450FW (2007), WR450FX (2008)

Vehicle Type:

Dual-Sport / Off-Road Motorcycle

Generation

Generation:

Second Generation (2007-2009)

Codes

Vin Code:

9th digit typically indicates model year (e.g., 7 for 2007, 8 for 2008)

👋 Introduction

Market Position

Segment:

High-performance off-road/enduro motorcycle, popular in motocross and trail riding

Competitive Analysis

Competitors:

KTM EXC series, Honda CRF-X series, Kawasaki KX-F models, Suzuki RM-Z models

Key Features

Performance Focus:

Emphasis on power, suspension, and handling for demanding off-road conditions

Engineering:

Renowned for Yamaha's robust engine design and advanced suspension technology (SSS)

Value Proposition

Manual Utility:

Essential for owners and technicians seeking accurate repair and maintenance guidance for these specific models

📋 Manual Details

Coverage Areas

Years Covered:

2007, 2008

Models Covered:

Yamaha WR450FW (2007), Yamaha WR450FX (2008)

Page Count

Page Count Estimate:

Refer to actual manual; typically 300-500 pages for comprehensive coverage

Manual Type

Manual Type:

Service Repair Manual & Parts Diagrams

Language

Languages Available:

English, German, French, Spanish (2007 model); English only (2008 model)

Format

File Format:

File Delivery:

📖 Manual Coverage

Systems Covered

Engine:

Full disassembly, assembly, diagnosis, tuning, component replacement (cylinder head, piston, crankshaft, etc.)

Fuel System:

Carburetor (Keihin FCR41), fuel pump, fuel filter, fuel tank, fuel lines, troubleshooting

Ignition System:

CDI unit, ignition coil, spark plug, wiring, timing

Transmission:

Clutch (hydraulic), gearbox (5-speed), shift mechanism, gear ratios, lubrication

Cooling System:

Radiator, cooling fan, coolant, hoses, water pump

Electrical System:

Battery, charging system (stator, regulator/rectifier), lighting (headlight, taillight, brake light), starter motor, wiring diagrams

Suspension:

Front forks (Kayaba Speed-Sensitive System - SSS), rear shock absorber (Kayaba), adjustments, seals, oil changes

Brakes:

Front and rear disc brakes, hydraulic system, calipers, master cylinders, brake pads, fluid replacement

Frame And Bodywork:

Frame inspection, subframe, handlebars, seat, fenders, plastics, graphics

Wheels And Tires:

Wheel bearings, spokes, tire pressure, tire replacement, rim specifications

Procedures Included

Maintenance:

Scheduled maintenance, oil and filter changes, air filter cleaning, spark plug replacement, chain adjustment and lubrication, brake inspection

Repair:

Complete engine rebuilds, transmission overhauls, suspension servicing, electrical troubleshooting, component replacement

Troubleshooting:

Diagnostic charts for common problems, electrical system fault finding, engine performance issues

Disassembly Reassembly:

Detailed step-by-step instructions for all major components and systems

Specifications:

Torque values, clearances, fluid capacities, electrical resistance values

Technical Depth

Depth Of Coverage:

Comprehensive (from basic maintenance to complete engine and transmission rebuilds)

Diagnostic Capabilities:

Advanced diagnostics, including troubleshooting charts and specific fault finding procedures

Visual Aids:

Hundreds of high-quality photos and detailed wiring diagrams

📊 Manual Specifications

File Format

Digital Format:

Print Quality

Print Readability:

HIGH QUALITY & FULLY PRINTABLE

Binding Type

Binding Style:

Digital (PDF, print as needed)

Paper Type

Paper Quality Recommendation:

Standard printer paper (for printing); consider heavier stock for durability

Navigation

Bookmarking:

BOOKMARKED for easy navigation

Features

Genuine Product:

Genuine product covering all systems, maintenance & repairs

⚙️ Engine Specifications

Primary Engine

Engine Type:

Liquid-cooled, 4-stroke, DOHC, 5-valve, single-cylinder

Displacement:

449 cc

Bore X Stroke:

95.0 mm x 63.4 mm

Compression Ratio:

12.5:1

Performance

Horsepower Estimate:

Approx. 50-55 HP (at crank, varies by model year and tuning)

Torque Estimate:

Approx. 45-48 Nm (at crank)

Fuel System

Carburetor Model:

Keihin FCR41 (Flat CR)

Fuel Type:

Unleaded gasoline (91 octane or higher recommended)

Lubrication

Oil Type:

Yamalube 4 (or equivalent high-quality 4-stroke motorcycle oil) SAE 10W-40 or 20W-40

Oil Capacity With Filter:

1.00 L (1.06 US qt)

Cooling System

Coolant Type:

High-quality ethylene glycol-based antifreeze coolant (50% mixture with distilled water)

🔧 Transmission

Standard

Transmission Type:

Constant mesh 5-speed

Clutch Type:

Constant mesh, wet, multi-plate, hydraulic actuation

Features

Gear Ratios:

Refer to manual for specific gear ratios (e.g., 1st: 2.167, 2nd: 1.750, 3rd: 1.333, 4th: 1.091, 5th: 0.913)

Final Drive:

Chain drive, O-ring sealed

📐 Dimensions

Exterior

Length:

Approx. 2,195 mm (86.4 in)

Width:

Approx. 825 mm (32.5 in)

Height:

Approx. 1,275 mm (50.2 in)

Seat Height:

Approx. 990 mm (39.0 in)

Wheelbase:

Approx. 1,475 mm (58.1 in)

Weights

Dry Weight:

Approx. 114 kg (251 lbs)

Wet Weight Estimate:

Approx. 120-125 kg (265-275 lbs) (with all fluids)

Fuel Capacity:

Approx. 8.0 L (2.1 US gal)

🛡️ Safety Features

Ratings

Safety Certification:

Not applicable (off-road use, typically not road-legal without modifications)

Active Features

Braking System:

Powerful hydraulic disc brakes front and rear for effective stopping power

Suspension Control:

Adjustable Kayaba SSS forks and shock provide rider control over various terrain

Passive Features

Frame Strength:

Robust aluminum frame designed for off-road durability

💡 Technology Features

Infotainment

Infotainment System:

N/A (This is an off-road motorcycle; no integrated infotainment system)

Driver Assistance

Electronic Aids:

None (This model predates widespread adoption of electronic rider aids like traction control or ride modes on off-road bikes)

Connectivity

Connectivity Features:

None (No Bluetooth, Wi-Fi, or other connectivity features)

Lighting

Lighting System:

Halogen headlight, LED taillight/brake light (standard for dual-sport configuration)

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 15-20 hours of riding or every 6 months, whichever comes first. Refer to manual for specific recommendations based on riding conditions.

Oil Filter Replacement:

Every 2-3 oil changes or as per manual recommendation.

Air Filter Cleaning:

After every few rides, or more frequently in dusty conditions. Clean and re-oil as per manual.

Spark Plug Inspection:

Every 20-30 hours of riding. Check gap and condition.

Chain Lubrication Adjustment:

Lubricate every 500 km (300 miles) or more frequently in wet conditions. Adjust tension as needed, typically 20-30 mm of free play.

Fluid Specifications

Engine Oil:

Yamalube 4 (or equivalent) SAE 10W-40 or 20W-40

Brake Fluid:

DOT 4

Coolant:

50/50 mix of ethylene glycol coolant and distilled water

Fork Oil:

Refer to manual for specific Kayaba SSS fork oil type and viscosity (often Yamalube Fork Oil G10 or equivalent)

Known Issues

Carburetor Tuning:

Can require meticulous tuning for optimal performance across different altitudes and temperatures due to its complexity.

Clutch Lever Feel:

Some owners report a slightly stiff clutch pull due to the hydraulic actuation. Regular maintenance of the hydraulic system is key.

Suspension Maintenance:

High-performance suspension requires regular servicing (oil changes, seal replacement) to maintain optimal performance.

📚 Vehicle History

Brand Heritage

Manufacturer:

Yamaha Motor Company, Ltd. - Japanese manufacturer with a long history in motorcycles, renowned for innovation and performance.

Model Evolution

Wr450F Lineage:

The WR450F evolved from Yamaha's successful YZ motocross lineage, adapted for wider off-road use with features like larger fuel tanks, lighting, and softer suspension settings.

2007 Update:

Significant update with revised frame geometry, updated suspension settings, and refined engine tuning for improved performance and handling.

2008 Update:

Minor revisions typically focused on graphics and color schemes, with potential minor internal component refinements.

Production

Manufacturing Location:

Japan (primarily)

🏆 Awards & Recognition

Recognitions

Industry Acclaim:

The WR450F line is consistently praised by off-road publications for its potent engine and class-leading suspension technology (Kayaba SSS).

Ratings

Performance Ratings:

Highly rated for power-to-weight ratio, handling, and off-road capability by motorcycle review sites and magazines.

Certifications

Emissions Certification:

Meets emissions standards applicable for off-road vehicles in its target markets at the time of manufacture.