Gear ratio reference

2023 Yamaha 250 HP Gear Ratio

Exact Model / Lower Unit Ratio

Listed gear-ratio data for 2023 Yamaha 250 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.

2023 Yamaha 250 HP

Listed ratio values: 1.75:1

Model Gear ratio
F250ECB 1.75:1
F250ESB 1.75:1
F250UCB 1.75:1
F250USB 1.75:1
F250XB 1.75:1
F250XCB 1.75:1
F250XSB 1.75:1
LF250ECB 1.75:1
LF250ESB 1.75:1
LF250UCB 1.75:1
LF250USB 1.75:1
LF250XB 1.75:1
LF250XCB 1.75:1
LF250XSB 1.75:1
VF250LB 1.75:1
VF250XB 1.75:1

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