Listed gear-ratio data for 2004 Mercury 60 HP SeaPro / Marathon 2-Stroke outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2004 Mercury 60 HP SeaPro / Marathon 2-Stroke
Listed ratio values: 1.83:1, 2.33:1
| Model | Gear ratio |
|---|---|
| 0G590000-UP | 1.83:1, 2.33:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.