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Mercury 2001 150 hp 2 stroke lower unit

bwhite042

New member
Hey Everyone,

I removed the original lower unit to replace some parts in it. It came off very easy. I was trying for hours to get the lower unit back up and could not get it back on. Finally I looked up the drive shaft and saw a small circle washer/gasket or something blocking the splines in the power head. Does anyone know what to do here? Do I need to just line this piece up perfectly and get the lower unit on?
 
That the lower carrier seal for crank splines and it is pressed into end of crank...best to remove powerhead and reinstall with Loctite as if lower removed again will have same problem
 
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