One last question before I proceed with my plan on trying to remove the lower unit. I was thinking about drilling a 11/16" hole in the center part of the engine up torwards the top where it meets up with the actual powerhead section so that I could see the driveshaft and hopefully be able to get some penetrant on the splines. I will lower the nose of the trailer to the ground and tilt the motor all the way up to help. My question is what is normally behind that section or is it just hollow? I can come back later and put threads in that and just put a bolt in it when I am through to plug the hole I made, I just want to try and get something on those splines before I start with the bolts. Your thoughts as they are always appreciated and helpful.
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