For 1982 the MX80 has its own reference. The code is MX80J and the Yamaha part number is LIT-11626-03-09, distinct from the volume issued for the previous year.
Why the number matters
Because Yamaha published a separate book per season here, quoting the right part number is how you avoid working to a figure from the wrong year. LIT-11626-03-09 covers 1982, and the machine it describes is stamped MX80J.
Within it, the material is straightforwardly practical: torque values for fasteners, clearances and adjustment settings given as measurements, a defined order for taking assemblies apart and rebuilding them, wiring diagrams covering the electrical system, and troubleshooting sections that begin from a symptom and narrow toward a cause.
Read the code on your own bike before relying on any of it.
