2007-2008 Honda CRF450R Service Manual

2007–2008 Honda CRF450R Factory Service Publication

• Covers 2007–2008 Honda CRF450R high-performance motocross motorcycles, documenting engine, drivetrain, suspension, and chassis service for both base 2007 and post-2007 variants
• Original OEM publication form number 61MEN01, dated 2007–2008
• Contains 394 pages with detailed wiring schematics, technical specification tables, and torque value charts
• Files are delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• Stored against your account so you can retrieve it after a hard-drive loss
• This 394-page technical guide serves as the official Honda reference for the CRF450R build cycle, providing the necessary specifications for professional-grade maintenance and assembly.

Manual Content and Chapter Scope

This 394-page Honda CRF450R service manual offers detailed mechanical information organized by vehicle systems. The documentation begins with comprehensive general information, identifying model-specific serial numbers and service rules. Chapters describe internal engine systems including lubrication and fuel delivery, alongside a technical feature segment exploring the auto-decompression mechanism and the Honda Progressive Steering Damper (HPSD) found on post-2007 models.

Subsequent chapters focus on the chassis, featuring procedures for removal and installation of frame components, exhaust systems, and body panels. The manual provides structured technical data for the cylinder head, valves, piston assemblies, clutch, kickstarter, and transmission. Electrical information, including wiring diagrams and sensor reference values, supports diagnostic work, while the final sections consolidate troubleshooting procedures for both chassis and engine components.

Specification and Technical Data Preview

Technical data is presented in segmented tables throughout the document for rapid reference. Standard and service limit values are provided for key mechanical components, including valve clearance, cylinder compression, and oil pump clearances. The manual specifies tightening torque for every fastener type across the engine and frame, including primary drive gear nuts, cylinder head bolts, and suspension linkage pins.

• Cylinder compression for the Honda CRF450R is specified at 539 kPa (5.5 kgf/cm², 78 psi) at 600 rpm.
• Intake valve clearance is documented at 0.16 ± 0.03 mm in the cylinder head specification table.
• Coolant system capacity is listed at 1.03 liters at change for the 2007–2008 Honda CRF450R.

For more on how factory workshop documentation is structured, see how factory workshop documentation is structured. Reference only — always consult a certified technician before performing service on this equipment. This official 394-page Honda OEM service manual covers the 2007–2008 CRF450R, providing the engine, chassis, and electrical specifications essential for professional motorcycle maintenance.