Fishaddicted
New member
I have a 1998 40 hp elpto tracker force by mercury ser#oe331450 i put a new impeller lower gear oil and just a general tune-up.The boat ran fine every time i took it out let my nephew use the boat big mistake. He came back with boat and said i think you need to adjust something. A month later put boat in and went to back off trailer and revese sounded like its grinding in gear and shaking like a dog pooping peach seeds it moves in reverse but sounds gnarly forward gets right up on plane and strolls i'm scratching my head. did he knock something aloose or did i not just line everything up right with impeller swap thanks for any help its appreciated

