Listed gear-ratio data for 2001 Johnson 115 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2001 Johnson 115 HP
Listed ratio values: 2.00:1, 2.38:1
| Model | Gear ratio |
|---|---|
| 115 HP Johnson V4 2-Stroke | 2.00:1 |
| J115 4-Stroke (Suzuki-built) | 2.38:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.