Listed gear-ratio data for 2012 Yamaha 350 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2012 Yamaha 350 HP
Listed ratio values: 1.73:1
| Model | Gear ratio |
|---|---|
| F350UCA | 1.73:1 |
| F350XCA | 1.73:1 |
| LF350UCA | 1.73:1 |
| LF350XCA | 1.73:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.