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    Spark Plug Compatibility

    1976 75HP Evinrude New to me engine with NGK BP78HS-10 spark plugs installed. Marina suggested Champion QL77JC4 plugs. (They cross referenced it in a book) I put them in and the engine wouldn't even barely fire. I did a search and found that the QL78YC is the proper plug. Put them in and the...
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    1976 75HP Evinrude, dies under load.

    Model 75643D Runs on muffs and in a bucket. Dies when put into either forward or reverse in the lake. Compression is 115-120 on all three cylinders. Spark jumps 7/16 gap. New spark plugs installed. (Gapped to .03, Just read should be .04, is that correct?) Seems to idle high but I don't have...
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    How do I know my model # and year?

    Re: How do I know my model # and year?
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    How do I know my model # and year?

    Re: How do I know my model # and year? I think the ID plate has been painted over or removed. I took a picture of the only quarter sized plug I could find which is beneath the lifting loop.
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    How do I know my model # and year?

    I bought what I was told is a 83 75HP Evinrude. I cannot find the model numbers on it. Is there a way for me to tell by any other marking or labels on it? I have a multitude of questions for you all, but I know the first thing that is asked is the model and year. I did look up the parts diagram...
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    Contol Swap

    Would a 83 75HP Evinrude and a 84 40HP Johnson operate off the same controls? I am looking at trading my 40 in for the 75 and thought it would make things quicker if I didn't have to pull the controls off.
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    What did my daughter catch?

    Went fishing today at the Shenango River Lake in PA my daughter caught this with a worm in about 20ft of water. Haven't the slightest clue what kind of fish this is. I would like to be able to tell her what she caught. Any help with the ID of it would be great.
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