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    Compression on 1977 70HP Johnson

    New to the forum... I have had in my possession now for a couple years a 1977 70HP Johnson SeaHorse. I just recently started a good tuneup on it to get it ready to sell. The only problem is that I'm not very experienced on outboards. I have experience in small engines and can find my way around...
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    Help with Control Disassembly...

    Hey Guys, Got a friend who has a 1980's type OMC Control and I'm trying to get the handle apart enough so to replace the Trim/Tilt Switch Assembly. I spent some time trying to get it apart today and had no luck. I see the screws that hold the front on but can't get to them with out removing...
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    Home Built Pontoon Boat

    Hey Ya'll I'm new to the iBoats forum but I have had a few questions and was very impressed with the answers that I have gotten from the members. I am also new to the boating community as I am building a homemade pontoon boat. I would love some input from everyone who may have ideas. You can...
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    Lube Order for 1977 70HP Johnson?

    Hey Ya'll, Just got a 1977 Johnson 70 (70EL77S) Got a digital user manual on order but trying to get some things done on it now. It has been sitting for a while so I changed out the spark plugs, cleaned the rats nest out of the intake manifold and drained the oil out of the lower. (No milky...
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    Transom Angle?

    Hey Ya'll, I'm building a Pontoon Boat and I'm wondering what the proper angle is for the transom. I've done some research and I've seen everything from 10 to 15 degrees but what is the proper angle? I'll be running a 70 HP Johnson but I don't think thats gonna matter. Thanks in Advance!
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