Listed gear-ratio data for 2005 Yamaha 250 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2005 Yamaha 250 HP
Listed ratio values: 1.75:1, 1.81:1, 2.00:1
| Model | Gear ratio |
|---|---|
| F250TURD | 2.00:1 |
| F250TXRD | 2.00:1 |
| LF250TURD | 2.00:1 |
| LF250TXRD | 2.00:1 |
| LZ250TURD | 1.81:1 |
| LZ250TXRD | 1.81:1 |
| VZ250TLRD | 1.81:1, 1.75:1 |
| Z250TURD | 1.81:1 |
| Z250TXRD | 1.81:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.