2007-2008 Honda CRF450R Service Manual

Comprehensive repair and maintenance guide for 2007-2008 Honda CRF450R. Covers all systems, diagnostics, and specifications. PN 07SM2-MBN-2007

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Document Details

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Document Number / Seller:
26081 / Kenneth Williams
File Size:
44.20 MB
File Type:
PDF
Language:
Pages:
394
Printable:
Yes
Category:
Motorbike
Last updated / verified
Dec 2, 2025

Models Covered & Key Technical Specifications

2007-2008 Honda CRF450R Service Manual Service and repair procedures | Technical Handbook Unit

  • General Specifications: Includes overall length of 2,191 mm for standard models.
  • Engine Specifications: Features a bore and stroke of 96.0 x 62.1 mm for optimal performance.
  • Fuel Tank Capacity: Holds 7.2 liters (1.90 US gal) for extended operation.
  • Cooling System Capacity: Uses 1.03 liters (1.09 US qt) of coolant at change.
  • Cylinder Compression: Standard 539 kPa (5.5 kgf/cm², 78 psi) at 600 rpm.
  • Valve Clearance (Intake): 0.16 ± 0.03 mm ensures proper valve function.

Manual Description & Preview

2007-2008 Honda CRF450R Service Manual: Honda Precision Service: CRF450R Engine-Compendium

Performance-Values: 394 Pages // Application-Range: Motorcycle / CRF450R Logic // System-Identifier: Engine, Fuel, Cooling, Clutch, Suspension, Electrical, and more.

Technical units are distributed across the following main sections: Engine, Fuel System, Cooling System, Clutch, Kickstarter, Gearshift Linkage, and more.

This manual documents torque specifications for engine mounting nuts to ensure proper joint separation prevention.

Service procedures are documented for transmission oil replacement, clutch lever adjustment, and carburetor tuning for specific conditions.

Drivetrain specifications are addressed in detail, including clutch operation and transmission gear ratios.

Reassembly procedures are specified for the cylinder head, including valve guide installation and measurement.

Service intervals are documented for items like spark plugs and air filters to maintain peak operating condition.

Component locations are identified for key systems, aiding in efficient maintenance and repair workflows.

Service procedures are documented for the carburetor, including major adjustments for temperature and altitude.

FAQ

Does this service manual include specific edition or revision markers for the 2007 and 2008 production years? keyboard_arrow_down

Document serves as the official service manual for the 2007-2008 Honda CRF450R and includes specific sections referencing cable and harness routing for models produced in 2007 and after 2007.

What is the total page count and physical composition of this PDF documentation? keyboard_arrow_down

PDF document contains 394 pages of technical information including specification tables and diagrams. The file size is 44.1995 MB and it is formatted for digital access.

Which engine components and transmission systems are covered in the technical chapters? keyboard_arrow_down

Manual includes comprehensive chapters for the cylinder head and valves, cylinder and piston assembly, and the transmission. These sections contain exploded view references, valve clearance specification tables, and gear ratio data for the constant mesh 5-speed transmission. Lubrication system details and torque specifications are also provided for these major mechanical systems.

Can I see if this manual covers the 2008 model year Honda CRF450R? keyboard_arrow_down

Document title and content explicitly list coverage for the 2007-2008 Honda CRF450R model series.

Is there documentation in the electrical system section regarding sensor values and wiring? keyboard_arrow_down

Electrical system chapter contains specification tables for spark plug type, ignition coil primary and secondary resistance values, and TP sensor resistance. It also provides reference information for ignition timing and pulse generator peak voltage.

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