2009 Honda NSA700A / DN-01 Service Manual (P/N C4256-90954)

• Official 654-page Honda OEM workshop manual (Publication P/N C4256-90954, dated February 2009)
• Details service procedures for the 680.2 cc V-twin engine, HFT powertrain, and electronic management systems
• Includes 85 technical specification tables, over 35 system routing diagrams, and specific component torque values
• Serves as the foundational first-edition documentation for the DN-01 launch, highlighting the unique diagnostic and mechanical requirements of this chassis

Component and System Documentation

This manual provides an in-depth breakdown of the specialized Human-Friendly Transmission (HFT), a central feature of the NSA700A platform. The document is structured to help mechanics and technicians navigate the maintenance of the power plant. It details cylinder head and piston service, lubrication system routing, and PGM-FI fuel system diagnostics. You will also find extensive documentation on vehicle-critical components, including the anti-lock brake system (ABS), electrical wiring schematics, and frame-mounted body panel removal. Always ensure you are working in a properly ventilated area and using appropriate personal protective equipment when servicing high-pressure hydraulic or fuel systems.

Specification and Maintenance Data

The specification section documents essential engine clearances and capacity volumes required for professional-level service. For example, the intake valve clearance is listed at 0.15 ± 0.02 mm within the cylinder head tables. Fluid capacities are clearly defined, noting a coolant volume of 2.73 liters and an engine oil requirement of 3.3 liters following a filter change. Comprehensive torque tables cover critical fasteners to ensure accurate reassembly. This includes precise values like the 138 N-m cam damper gear bolt and the 108 N-m rear wheel nut.