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I am wondering what the torque value is for my prop nut. I have a 1990 90 hp engine with a lower unit from a 1987 125hp engine. According to a few dealers and Merc, the prop shaft on the lower unit that I have does not use a bent tab washer to hold the prop on. The size of the nut is 5/8-18...
I recently replaced my the lower unit on my 1990 90hp force with a lower unit from a 1986 125hp force. I am trying to install a prop on the 1986 lower unit. It appears that the nylock nut is 5/8" fine thread. I am having difficulty finding the 5/8" fine thread nylock nut and a bent tab washer...
I recently purchased a used lower unit from a 1986 Force 125HP engine to replace my cracked lower unit on a 1990 90HP. When I purchased the lower unit, the oil drain plug at the bottom was not tightened all the way. I changed the oil and put the allen plug back in. I am wondering if there is a...
Does any one know how much to torque the bolts that hold on the lower unit? I have a 90 hp 1990 force engine. There are 6 bolts visible and one hidden under the trim tab. Also, how to I index the trim tab? Is it just guess and check? Thanks for any help.
After removing my boat from the water at the end of the summer, I noticed there was a 3 inch crack in the lower unit. I have a 1990 Force outboard 90hp. I am looking to get a used lower unit possibly on ebay or the like for a cheap fix. Can anyone suggest how to determine which lower units will...
