Listed gear-ratio data for 2009 Yamaha 300 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2009 Yamaha 300 HP
Listed ratio values: 1.73:1, 1.75:1
| Model | Gear ratio |
|---|---|
| F300TUR | 1.73:1 |
| F300TXR | 1.73:1 |
| LF300TUR | 1.73:1 |
| LF300TXR | 1.73:1 |
| VZ300BTLR | 1.75:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.