Listed gear-ratio data for 2007 Yamaha 20 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2007 Yamaha 20 HP
Listed ratio values: 2.08:1
| Model | Gear ratio |
|---|---|
| F20ELH | 2.08:1 |
| F20ELR | 2.08:1 |
| F20ESH | 2.08:1 |
| F20ESR | 2.08:1 |
| F20MLH | 2.08:1 |
| F20MSH | 2.08:1 |
| F20PLH | 2.08:1 |
| F20PLR | 2.08:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.