Listed gear-ratio data for 1997 Yamaha 25 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
1997 Yamaha 25 HP
Listed ratio values: 1.85:1, 2.08:1
| Model | Gear ratio |
|---|---|
| 25ELHV | 2.08:1 |
| 25ELRV | 2.08:1 |
| 25ESHV | 2.08:1 |
| 25MLHV2 | 2.08:1 |
| 25MLHV3 | 1.85:1 |
| 25MSHV2 | 2.08:1 |
| 25MSHV3 | 1.85:1 |
| C25ELHV | 2.08:1 |
| C25ELRV | 2.08:1 |
| C25MLHV | 2.08:1 |
| C25MSHV | 2.08:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.