The Mercury Marine serial number 1B172980 is 4 Stroke 75 EFI (4-STROKE) engine that’s part of the outboard model 1F90413DD. It was produced during the years 2005 and 2006. The engine displacement s are either 71.1, 97.4, or 105.7, and the horsepower ranges from 75EFI, 80EFI, 90EFI, to 100EFI. The engine belongs to the serial range and catalog [1B172291 THRU 1B366822] – USA – Cat.# 90-898112006. Related components are listed below.