Listed gear-ratio data for 2005 Yamaha 300 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2005 Yamaha 300 HP
Listed ratio values: 1.75:1
| Model | Gear ratio |
|---|---|
| LZ300TURD | 1.75:1 |
| LZ300TXRD | 1.75:1 |
| VZ300TLRD | 1.75:1 |
| Z300TURD | 1.75:1 |
| Z300TXRD | 1.75:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.