The Mercury Marine serial number 0C108654 is 2 Stroke Carb XR-4 / MAGNUM II engine that’s part of the outboard model 7150453PD. It was produced during the years 1989, 1990, and 1990M. The engine displacement is 142.2, and the horsepower ranges from 150MG2 to 150XR4. The engine belongs to the serial range and catalog [0C100861 THRU 0C239552] – USA – Cat.# 90-814115. Related components are listed below.