CB400F 1975-1977

Service Manual

This is a combined manual covering both the CB350F and the CB400F for all model years. The material in parts one and two is primarily focused on the CB350F. The CB400F is covered in detail in a dedicated supplement.

• CB400F Supplement
• Part 1: Inspection & Adjustment, Engine, Frame
• Part 2: Electrical, Service Data

Wiring Diagrams

• 1975 CB400F Wiring Diagram (B&W)
• 1977 CB400F Wiring Diagram (US & Canada, B&W)
• CB350/CB400 Wiring Diagram (Color)
• CB400F Wiring Diagram - United Kingdom Models

Service Bulletins

• CB350/400 HSB #1 (1/15/1975): Front Brake Disc Mounting Nut Change
• CB350/400 HSB #3 (12/23/1974): Wire Harness Strap

Parts Guide

• CB400F Parts Guide

Technical Information

• CB400F Technical Specifications Sheet