Listed gear-ratio data for 2000 Mercury 55 HP 3-Cylinder outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2000 Mercury 55 HP 3-Cylinder
Listed ratio values: 1.83:1
| Model | Gear ratio |
|---|---|
| 1996-UP | 1.83:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.