Honda CRF450R Service Manual Repair 2005-2006 CRF450

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Taper: Motorcycle

Distributeur:

UGS: 145164

Mots clés: 2005 2006 ATC Series CRF450 CRF450R Honda Motorcycle Motorcycles

Variantes de produits

Description

The CRF450R, produced for the 2005 and 2006 model years, is a high-performance motocross and dirt bike renowned for its powerful four-stroke, single-cylinder engine. With a displacement of 449cc and an estimated horsepower of 50-55 hp, this machine is engineered for competitive off-road riding. Its aluminum twin-spar frame provides a robust yet lightweight chassis, complemented by advanced suspension systems and hydraulic disc brakes for superior control and stopping power. Building on an extensive legacy in off-road racing, the CRF450R represents a significant evolution in performance and handling for its era, making it a favored choice among riders. This comprehensive service and repair manual provides detailed guidance for owners and technicians working on the 2005-2006 CRF450R. Spanning 348 pages, it covers every aspect of the vehicle, from routine maintenance schedules and fluid specifications to in-depth engine and transmission overhauls. Included are troubleshooting guides for common issues, detailed torque specifications, and clear illustrations for component identification and assembly. The manual is presented in English and offers the convenience of searchable text and easy navigation, ensuring that users can efficiently maintain and repair their CRF450R for optimal performance and longevity.

🏷️ Basic Information

Identification

Make:

Honda

Model:

CRF450R

Model Year:

2005-2006

Vehicle Type:

Motocross / Dirt Bike

Codes

Chassis Code 2005:

RFD450-5

Chassis Code 2006:

RFD450-6

👋 Introduction

Market Position

Target Audience:

Owners and mechanics of 2005-2006 Honda CRF450R seeking detailed repair and maintenance information.

Competitive Analysis

Value Proposition:

Comprehensive digital resource offering extensive detail, searchability, and printing capabilities for DIY and professional use.

Key Features

Key Selling Points:

348 pages of detailed information, complete tear-down and rebuild guidance, high-quality illustrations, torque specs, troubleshooting sections, free replacement policy.

📋 Manual Details

Coverage Areas

Manual Coverage Scope:

Comprehensive service and repair for 2005-2006 Honda CRF450R

Page Count

Page Count:

Manual Type

Manual Type:

Service Manual / Repair Manual

Language

Language:

English

Format

Format:

PDF (Digital Download)

📖 Manual Coverage

Systems Covered

Engine System:

Complete engine tear-down, rebuild, tuning, and troubleshooting (e.g., valve clearance, mixture screw, pilot jet, main jet, camshaft, crankshaft, piston, cylinder, connecting rod).

Fuel System:

Carburetor (CRF450R typically uses a Keihin FCR carburetor for this era), fuel pump, fuel injection (PGM-FI noted in tags, implying potential for EFI troubleshooting on specific models/years, though 2005-2006 CRF450R is primarily carbureted - manual likely covers the carb extensively), mixture adjustment.

Ignition System:

Stator, magneto, CDI unit, ignition coil, spark plug troubleshooting.

Transmission Drivetrain:

Gearbox, clutch operation, primary reduction gear, shift drum, shifter, drive train maintenance.

Suspension Handling:

Front forks (USD), rear shock, linkage, swingarm (swinger), axle servicing, spring adjustments.

Brakes System:

Front and rear hydraulic disc brakes, brake pad replacement, caliper service, fluid replacement, rotor inspection.

Electrical System:

Battery, rectifier, wiring diagrams, fuses, switches, lights (headlight, taillight).

Cooling System:

Radiator, coolant replacement, hose inspection.

Bodywork Plastics:

Fenders, seat, fuel tank, side panels, handlebar, plastics removal and installation.

Procedures Included

Maintenance Schedule:

Regularly scheduled maintenance tasks and intervals.

Troubleshooting Guides:

Diagnostic procedures for common problems (e.g., no spark, starting issues, error codes).

Rebuild Instructions:

Complete engine rebuild, gearbox overhaul, suspension overhaul.

Torque Specifications:

Detailed torque settings for all critical fasteners and components.

Diagrams Illustrations:

Part diagrams, exploded views, and detailed illustrations for component identification and assembly.

Adjustment Procedures:

Carburetor tuning, valve clearance adjustment, clutch adjustment.

Installation Guides:

Instructions for installing common aftermarket parts like exhaust systems (implied by tags).

Technical Depth

Depth Of Coverage:

Expert-level, covering everything from basic maintenance to complete engine and chassis overhauls, suitable for DIY enthusiasts and professional mechanics.

📊 Manual Specifications

File Format

File Format:

Print Quality

Print Restriction:

No restrictions on printing.

Binding Type

Digital Format Benefit:

Searchable text, clickable chapters for easy navigation.

Paper Type

Digital Format Benefit 2:

Instant download, easily saved and accessed.

⚙️ Engine Specifications

Primary Engine

Engine Type:

Four-stroke, single-cylinder

Engine Displacement Cc:

Bore X Stroke:

96.0 mm x 62.1 mm (approximate for this generation)

Compression Ratio:

11.5:1 (typical for this model)

Performance

Horsepower Hp:

Estimated 50-55 hp (typical for this class and era)

Torque Lb-Ft:

Estimated 35-38 lb-ft (typical for this class and era)

Fuel System

Carburetor Type:

Keihin FCR41MX (likely, for this generation)

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity Liters:

7.0 Liters (approximate)

Lubrication

Engine Oil Capacity Ml:

1.0 Liters (typical, separate engine/clutch and transmission oil systems might be present or shared, manual will specify).

Engine Oil Type:

Refer to manual for exact specifications (e.g., SAE 10W-30, JASO MA certified motorcycle oil).

🔧 Transmission

Standard

Transmission Type:

Constant-mesh, 5-speed

Features

Clutch Type:

Wet, multi-plate

Final Drive:

Chain

📐 Dimensions

Weights

Dry Weight Kg:

97.1 kg (214 lbs) (approximate for 2005-2006)

Wet Weight Kg:

106.1 kg (234 lbs) (approximate, with fluids)

Exterior

Length Mm:

2170 mm (approximate)

Width Mm:

810 mm (approximate)

Height Mm:

1265 mm (approximate)

Wheelbase Mm:

1475 mm (approximate)

Seat Height Mm:

955 mm (approximate)

Ground Clearance Mm:

350 mm (approximate)

🛡️ Safety Features

Ratings

Safety Classification:

Off-road racing motorcycle, not street legal in most jurisdictions.

Active Features

Braking System:

Hydraulic disc brakes (front and rear) for superior stopping power.

Passive Features

Frame Construction:

Aluminum twin-spar frame for rigidity and light weight.

💡 Technology Features

Infotainment

Infotainment Features:

N/A (Focus on performance, not rider amenities).

Driver Assistance

Rider Assistance Features:

N/A (Performance-oriented machine).

Connectivity

Connectivity Features:

🔧 Maintenance

Service Intervals

Oil Change Interval Hours:

Refer to manual for specific hours, typically every 10-20 hours of hard use.

Air Filter Cleaning Interval Hours:

Frequent cleaning recommended, especially in dusty conditions.

Valve Clearance Check Interval Hours:

Refer to manual, typically every 30-50 hours.

Fluid Specifications

Coolant Type:

Ethylene glycol-based coolant with corrosion inhibitors (Honda recommends specific coolant).

Brake Fluid Type:

DOT 4 hydraulic brake fluid.

Transmission Oil Type:

Refer to manual, often same as engine oil or specific motorcycle transmission fluid.

Known Issues

Common Wear Items:

Clutch plates, piston rings, valve guides, fork seals, wheel bearings.

Potential Problems:

Carburetor jetting sensitivity to altitude/temperature, potential for cam chain tensioner wear (depending on specific design iterations).

📚 Vehicle History

Brand Heritage

Honda Offroad Legacy:

Honda has a long and successful history in motocross and off-road racing, consistently developing performance-oriented machines like the CRF line.

Model Evolution

Crf450R Evolution Summary:

The CRF450R underwent significant updates in the mid-2000s, with the 2005-2006 models representing a refinement of Honda's liquid-cooled, four-valve Unicam engine platform, focusing on power delivery and chassis performance.

Production

Manufacturing Location:

Japan (Typical for Honda)

🏆 Awards & Recognition

Recognitions

Motocross Popularity:

The CRF450R is consistently a top choice in its class, praised for its power, handling, and reliability.