I also remembered there was something about when putting the lower unit back together with the upper unit about the shaft needing to be in the 10 o'clock position or shift problems may occur. Been about 5 years since I replaced my sterndrive with an SE 106. I had to call SEI and they had me up...
Depends on what is wrong with the boat. Cracked engine due to freezing i would have to say it is on them. As far as anything else there are many factors to consider. Would help to determine if there was more information on what exactly is going on with your boat.
Out of curiosity when your adjusting the cable is the sterndrive all the way down or is it raised? If raised when adjusting try readjusting when the cable is lowered. I had this same issue with my last boat cable. Another thing to check is the linkage part on the sterndrive the set screw may...
After reading everything you all are saying and after replacing several shift cables on my MC drive I can tell you 100 percent that the cable you are trying to install is the wrong cable the MC drives have to have the cable that the barrel spins on. the new style cables that everyone is saying...