Gear ratio reference

2020 Suzuki 4 HP Gear Ratio

Exact Model / Lower Unit Ratio

Listed gear-ratio data for 2020 Suzuki 4 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.

2020 Suzuki 4 HP

Listed ratio values: 1.92:1

Model Gear ratio
DF4A 1.92:1

Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.