Listed gear-ratio data for 2011 Yamaha 15 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2011 Yamaha 15 HP
Listed ratio values: 2.08:1
| Model | Gear ratio |
|---|---|
| F15CELH | 2.08:1 |
| F15CESH | 2.08:1 |
| F15CMLH | 2.08:1 |
| F15CMSH | 2.08:1 |
| F15CPLH | 2.08:1 |
| F15CPSH | 2.08:1 |
| F15LEHA | 2.08:1 |
| F15LMHA | 2.08:1 |
| F15LPHA | 2.08:1 |
| F15SEHA | 2.08:1 |
| F15SMHA | 2.08:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.