Gear ratio reference

2011 Mercury 115 HP FourStroke Gear Ratio

Exact Model / Lower Unit Ratio

Listed gear-ratio data for 2011 Mercury 115 HP FourStroke outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.

2011 Mercury 115 HP FourStroke

Listed ratio values: 2.07:1

Model Gear ratio
2001-UP 2.07:1

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