Listed gear-ratio data for 2005 Yamaha 8 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2005 Yamaha 8 HP
Listed ratio values: 2.08:1, 2.92:1
| Model | Gear ratio |
|---|---|
| 8MSHD | 2.08:1 |
| F8MLHD | 2.08:1 |
| F8MSHD | 2.08:1 |
| T8ELHD | 2.92:1 |
| T8EXHD | 2.92:1 |
| T8PLHD | 2.92:1 |
| T8PLRD | 2.92:1 |
| T8PXHD | 2.92:1 |
| T8PXRD | 2.92:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.