Listed gear-ratio data for 2002 Johnson 70 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2002 Johnson 70 HP
Listed ratio values: 2.42:1
| Model | Gear ratio |
|---|---|
| J70 4-Stroke (Suzuki-built) | 2.42:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.