: Typically a 5-speed or 6-speed manual gearbox.

Based on the factory schedule, here is a maintenance plan you can build using your PDF:

The DT 50 LC represented Yamaha’s commitment to bringing off-road racing technology to the entry-level market. Yamaha Downloads

Yamaha’s electrical systems of the 1980s and 90s were robust but complex compared to competitors. The manual contains detailed wiring diagrams.