2005-2006 Honda CRF450R Service Manual

This service manual addresses Honda CRF450R systems including engine removal, installation, and transmission assembly.

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Document Details

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Document Number / Seller:
29935 / Joseph Hicks
File Size:
37.32 MB
File Type:
PDF
Language:
English
Printable:
Yes
Estimated Download Time:
0.76 Minutes
Delivery Format:
Digital (PDF) - Instant Access
Category:
Motorcycle
Brand:
Honda
Reviewed and Approved:
Jun 5, 2025
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Models Covered & Key Technical Specifications

Honda CRF450R (2005-2006) Service Manual: In-Depth Troubleshooting & Repair Manual

Service Manual | Operation Manual Library.

  • Documented Circuit Specs: 1.0 - 1.1 mm (0.039 - 0.043 in) establishes the spark plug gap Specification.
  • Technical Heat Tolerance: For optimal operation, 15 - 30 C defines the environmental limit Framework.
  • Universal Core Speed Performance: Maximum throughput reaches 25 ppm Parameters.
  • Core Cooling System Data: For cooling system, 1.11 liter (1.16 US qt, 0.97 Imp qt) is the capacity Requirements.
  • Rated Engine Oil Capacity: At draining, 0.66 liter (0.70 US qt, 0.58 Imp qt) is the oil capacity Threshold.
  • Prescribed Fuel Tank Capacity: The fuel tank capacity requires 7.2 liter (1.90 US gal, 1.58 Imp gal) Configuration.

Professional Workshop Service Manual & Technical Specifications

Honda CRF450R (2005-2006) Service Manual: In-Depth Troubleshooting & Repair Manual

Technical-Domain: CRF450R // Service-Level: Motorcycle / Engine Logic // Technical-Domain: Repair Manual.

Performance-Element Value Calibration-Data
Engine Oil Capacity 0.66 L 0.70 US qt
Fuel Tank Capacity 7.2 L 1.90 US gal
Spark Plug Gap 1.0 mm 0.039 in
Compression 539 kPa 78 psi
Valve Clearance (Intake) 0.16 mm 0.006 in
Valve Clearance (Exhaust) 0.28 mm 0.011 in

Maintenance hierarchies are structured into the following sections:

  • Engine oil and filter changes, including capacity specifications and a step-by-step process.
  • Fuel system maintenance, covering carburetor adjustments for various conditions.
  • Cooling system services, detailing coolant replacement and radiator cap testing.
  • Clutch system inspections, including lever position and free play adjustments.
  • Transmission oil checks and changes to ensure optimal performance.

Special procedures are addressed for engine oil and filter changes, ensuring consistent performance. Verification procedures are included for fuel system maintenance, covering carburetor tuning for optimal operation. Repair information is provided for cooling system services, detailing coolant replacement and radiator cap testing. The document includes coverage of clutch system inspections, covering lever position adjustments. Brake system specifications are included for lever position inspection and brake pedal height adjustment. The document covers kickstarter and gearshift linkage maintenance. This manual documents torque specifications for various engine components to ensure proper thread engagement security.

FAQ

Determine the **specific** torque for the engine mounting bolts. keyboard_arrow_down

59 N·m (6.0 kgf·m, 44 lbf·ft) is required for the upper mounting bolts when the engine is mounted in the frame.

What **designated** safety precautions are outlined for handling gasoline? keyboard_arrow_down

Gasoline vapors and hydrogen gases from batteries are explosive; always work in a well-ventilated area and avoid open flames or sparks to prevent fire or explosion.

Check the **critical** lubrication requirements for the camshaft journal and lobes. keyboard_arrow_down

Molybdenum oil solution, a mixture of engine oil and molybdenum grease in a 1:1 ratio, is required for the camshaft journal and lobe lubrication.

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Reviews (4)

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New
A fantastic guide for anyone working on their CRF450R. The diagrams make everything easier to understand. I had a great experience with the download process—very professional service!
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This manual has been a lifesaver for my 2005 CRF450R. The step-by-step instructions are clear, and the diagrams are incredibly helpful. I had a smooth download process and received my link almost instantly!
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New
This service manual is detailed and easy to follow. It covers all aspects of maintenance thoroughly. The download was hassle-free, and I appreciated the prompt email responses from support.
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New
I found everything I needed in this manual for my bike. The troubleshooting section is particularly useful. Plus, customer support was quick to respond when I had a question about my download link!