| Tournament details | |
|---|---|
| Country |  Japan |
| Final positions | |
| Champions | Nissan Motors |
| Runner-up | Yamaha Motors |
| Semifinalists | |
Statistics of JSL Cup in the 1989 season.
| Tournament details | |
|---|---|
| Country | Japan |
| Final positions | |
| Champions | Nissan Motors |
| Runner-up | Yamaha Motors |
| Semifinalists | |
Statistics of JSL Cup in the 1989 season.