Listed gear-ratio data for 1997 Yamaha 115 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
1997 Yamaha 115 HP
Listed ratio values: 2.00:1
| Model | Gear ratio |
|---|---|
| 115TLRV | 2.00:1 |
| C115TLRV | 2.00:1 |
| C115TXRV | 2.00:1 |
| S115TLRV | 2.00:1 |
| S115TXRV | 2.00:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.