Be sure to add me to your favorites list Yamaha BB404 / BB405 4 and 5 String Bass Guitar Service Manual. This is a printed paper hardcopy copy of a Service manual for the Yamaha 4 and 5 string bass, models BB404 and BB405. This one is extremely lightly used and includes: Cover sheet / TOC Overall assembly / exploded views of the diecast bridge and Jack Installation (for both models) parts list / full list of parts, * marks the new parts for these models (for both models) circuit diagram wiring / F R pickups, F R volumes Tone dial specifications / full specs on these bass guitars This is a manual or document, this is NOT a piece of equipment or instrument. If you have any questions, I'm always happy to answer them. Thank you so much for looking! Check out my Store!