Listed gear-ratio data for 1998 Yamaha 225 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
1998 Yamaha 225 HP
Listed ratio values: 1.81:1
| Model | Gear ratio |
|---|---|
| L225TURW | 1.81:1 |
| L225TXRW | 1.81:1 |
| S225TURW | 1.81:1 |
| S225TXRW | 1.81:1 |
| V225TLRW | 1.81:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.