Gear ratio reference

2020 Mercury 175 HP Pro XS V6 Gear Ratio

Exact Model / Lower Unit Ratio

Listed gear-ratio data for 2020 Mercury 175 HP Pro XS V6 outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.

2020 Mercury 175 HP Pro XS V6

Listed ratio values: 1.85:1

Model Gear ratio
2018-UP 1.85:1

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