Works on single-shaft tilt outboards.
Will Not work on Yamaha's new (2023+ 150HP-200HP) outboards, they have a new trim system on those engine...!!!!!!!!!!!!!! works on all other Yamaha engines with single ram tilt system.!!!!!!
Mercury Verado (ALL Dual shaft) uses 2 Universal units.
Mercury Verado V10 Uses 2 Universal units.
Mercury Verado V4 uses m-y wedge 3-ram unit. Click here