I fought alignment issues for a while with my current boat. Couldn't get it with the front mounts, so I replaced the rear mounts to the new type and it still wasn't perfect. Although i could get the drive to go on with a couple kicks. Sounds like this is where most shops would call it good enough. I still wasnt happy and pulled the motor again. Turns out where the rear mounts sit on the rear transom plate had wore down just a very small amount. I made thin shims to make up the difference and now the drive will slide on and mate to the gimble with zero beating or kicking.