Let me start off by saying that this forum is AWESOME!!! I have spent countless hours reading and learning things about outboard motors. I purchased my first outboard about a month ago. As the title of this thread states, it's a 1972 Evinrude 9.5 HP Sportwin. I bought it for $150 from a friend of mine. When I got it, there was a small fuel leak at the fuel pump filter cap, so I fixed that. It ran okay, but being the OCD perfectionist that I am, I wanted it to run perfectly. So I started doing some research on the motor. . .
I have replaced the coils, condensers, and breaker points assemblies. I rebuilt the carburetor with a carb kit. I did a water pump repair kit. I even replaced the top crankshaft seal while I had the armature plate off. I think this is where the problem started.
I noticed when I got the armature plate off that it was pretty oily underneath it, so I suspected the crank seal. I called all around town to marine mechanics to see if anyone had the special tool for removing the seal. None of them did, so I took it to the marina that I had been getting my parts from. (He owed me a favor so he said he would get it out for free.) I was under the impression that he would be using the special tool, but he just went at it with a screwdriver and hammer. He messed with it for a while, and I had to go, so he said he'd get it out for me later. A week later, I finally went to get it because I got tired of waiting for it. When I got it home, I ended up splitting the crankcase to remove the entire top crank bearing with the seal still installed. I replaced the bearing/seal assembly with a new one, because the bearing was not turning freely. I put everything back together, and sealed the crankcase with Permatex 51831 anarobic gasket maker. Now that the crankcase is back together, the armature plate is Very tight on the machined shoulder of the crankcase on which it mounts. It makes the throttle grip very hard to turn. There is no gap between the two crankcase halves, so the only thing I can think that happened is that when the mechanic was trying to get that seal out, he pried against the aluminum shoulder and bent it "out of round". I don't know what to do now. I was thinking of getting some emery cloth and trying to take down the aluminum just enough to get the armature plate turning smoothly.
Sorry this is so wordy, this is my first post, and I kind of wanted to brag about my little project and ask a question in the same post.
Any suggestions on what to do here?
I have replaced the coils, condensers, and breaker points assemblies. I rebuilt the carburetor with a carb kit. I did a water pump repair kit. I even replaced the top crankshaft seal while I had the armature plate off. I think this is where the problem started.
I noticed when I got the armature plate off that it was pretty oily underneath it, so I suspected the crank seal. I called all around town to marine mechanics to see if anyone had the special tool for removing the seal. None of them did, so I took it to the marina that I had been getting my parts from. (He owed me a favor so he said he would get it out for free.) I was under the impression that he would be using the special tool, but he just went at it with a screwdriver and hammer. He messed with it for a while, and I had to go, so he said he'd get it out for me later. A week later, I finally went to get it because I got tired of waiting for it. When I got it home, I ended up splitting the crankcase to remove the entire top crank bearing with the seal still installed. I replaced the bearing/seal assembly with a new one, because the bearing was not turning freely. I put everything back together, and sealed the crankcase with Permatex 51831 anarobic gasket maker. Now that the crankcase is back together, the armature plate is Very tight on the machined shoulder of the crankcase on which it mounts. It makes the throttle grip very hard to turn. There is no gap between the two crankcase halves, so the only thing I can think that happened is that when the mechanic was trying to get that seal out, he pried against the aluminum shoulder and bent it "out of round". I don't know what to do now. I was thinking of getting some emery cloth and trying to take down the aluminum just enough to get the armature plate turning smoothly.
Sorry this is so wordy, this is my first post, and I kind of wanted to brag about my little project and ask a question in the same post.
Any suggestions on what to do here?
