Listed gear-ratio data for 2001 Yamaha 100 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2001 Yamaha 100 HP
Listed ratio values: 2.31:1
| Model | Gear ratio |
|---|---|
| F100TLRZ | 2.31:1 |
| F100TXRZ | 2.31:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.