Gear ratio reference

2006 Yamaha 30 HP Gear Ratio

Exact Model / Lower Unit Ratio

Listed gear-ratio data for 2006 Yamaha 30 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.

2006 Yamaha 30 HP

Listed ratio values: 2.00:1

Model Gear ratio
F30MSH 2.00:1
F30TLR 2.00:1

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