need help please........ i have 1992 force 150 hp the lower unit it blow because last time i hit the wood when i drive forward and then bring to the boat shop they said the lower unit gears gone need the new lower unit.the new one too expensive for me and i cant find the use lower unit same model like my but i find one 1994 force 120 hp lower unit it that fit for my though? any idea.... thankssssssssssss