I have 1975 50 merc 4 cylinder and was wondering what other lower unit years and hp will fit. I dont have a prop yet so if the gear ratio is different thats ok if everything else works thanks also how do you tighten the motor up its a tiller and it spins freely on the mount.
Last edited by crappiehuntr; 06-19-2010 at 02:54 AM.
lower unit interchange
Linear Mode
