Listed gear-ratio data for 1998 Yamaha 150 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
1998 Yamaha 150 HP
Listed ratio values: 1.86:1, 2.00:1
| Model | Gear ratio |
|---|---|
| 150TLRW | 1.86:1 |
| C150TLRW | 1.86:1 |
| C150TXRW | 1.86:1 |
| D150TLRW | 2.00:1 |
| L150TXRW | 1.86:1 |
| P150TLRW | 2.00:1 |
| S150TLRW | 1.86:1 |
| S150TXRW | 1.86:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.