Mercury - Mount - 849639 Mercury Marine Four Stroke Outboard Oil Change Kits helm seat and T-Top support

helm seat and T-Top support combination with a maximum base perimeter (at the deck) of 18' or less

Active Trim constantly adjusts trim based on engine RPM and boat speed

the margin for error is small

Indirectly—it helps prevent issues by keeping contaminants out of unused ports

Mercury - Mount - 849639 Mercury Marine Four Stroke Outboard Oil Change Kits helm seat and T-Top supportThis product has been superseded by: 23 856975 MountWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.