Listed gear-ratio data for 2006 Johnson 75 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2006 Johnson 75 HP
Listed ratio values: 2.42:1
| Model | Gear ratio |
|---|---|
| 75 HP Johnson 2-Stroke | 2.42:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.