oddd1, all the controls, t&t come with the motor. but the question is what length of shaft do i have. call the merc dealer they told me to check the bottom pivot of the transom bracket and measure from there to the center of prop which is 20in on the 88 125 and the same on the 99 120. they said as long as those are the same the motor should work. my transom measures 18.5in and then 10inches back my drain plug extends down another 4.5inches total 23inches. the 99 is coming from a 99 trophy with a 25 in transom. it looks as if the bracket is adjustible up and down the transom by 4inches will this be okay????????i know about the force thing but this is a good deal@2000 with warrenty til 2004.any help will be appreciated