Listed gear-ratio data for 1996 Mercury 25 HP SeaPro outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
1996 Mercury 25 HP SeaPro
Listed ratio values: 2.25:1
| Model | Gear ratio |
|---|---|
| 0G044027-0G760299 | 2.25:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.