Listed gear-ratio data for 2006 Yamaha 115 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2006 Yamaha 115 HP
Listed ratio values: 2.00:1, 2.15:1
| Model | Gear ratio |
|---|---|
| 115TLR | 2.00:1 |
| 115TXR | 2.00:1 |
| F115TLR | 2.15:1 |
| F115TXR | 2.15:1 |
| LF115TXR | 2.15:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.