The Mercury Marine serial number 2B017788 is 2 Stroke DFI (OptiMax) 225 PRO XS (3.0L DFI) engine that’s part of the outboard model 1225P83BD. It was produced in 2006. The engine displacement is 185.76, and the horsepower ranges from 225DFI to 250DFI. The engine belongs to the serial range and catalog [1B752547 & Up] – Cat.# 90-898103231. Related components are listed below.