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    88 hp Evenrude ?'s

    I have a couple of questions on a possible purchase of a 1989 Evenrude motor. It belongs to my brother in law, who actually knows less than me. He bought it, I took him out once, he hasn't had it out since. It has a large "88" on the back of the motor cover, is that the H.P? I have always had...
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    carb problem?

    Hey guys! after almost a year, I finally got my 80hp, Merc 800 running. it's a '69 ser#2881497<br /><br />With your help, I replaced the switchbox, wire harness, rectifier, and stator. (Pretty much everything electrical) I now have great spark, starts and runs at full throttle, but at idle...
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    finally got spark, but won't start

    History,<br /><br />You helped me figure out that I needed a new switchbox, and internal wire harness for my boat. 1969 80HP Merc. 800 Thunderbolt ign. Ser# 288147.<br /><br />Thanks to you, I now have a good strong spark. License was expired, so I couldn't put it in the water to run it...
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    Mercury Trigger help.

    Hello again,<br /><br />I have a '70 80HP merc 800 with Thunderbolt ign. ser#2881497. I have repaired all my internal and external wiring harness wires...... I've been told by a mechanic that I probably should have cut out the plug, and hard wired my external wiring harness to the appropriate...
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    What does this do?

    Hi all,<br /><br />This may be helpful to some other "newbies" on the block. I've been replacing all the wires internally, and the external wiring harness (making a new one) Could someone tell me exactly what parts do what. I have identified different parts, but don't know what they do.<br...
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    air hose for octopus

    I'm looking for a long hose for my octopus. I've seen them on tech divers in the magazines, but my local shop says it'll cost over a buck a foot. Anyone know of any good (reasonable) sources?<br /><br />I always use my local shop, and rarely go "mail order" but that seems rediculous.<br /><br...
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    what guage wire?

    I am going to make a new wiring harness for my 1970 80HP merc with Thunderbolt ign. My boat is 50 miles from where I am right now, and I need to know if anyone knows what guage wire I should use? I'm guessing 14 ga stranded, it's not in the service manual.<br /><br />any help is greatly...
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    Mercury wiring harness

    Here's one I haven't seen posted yet. I'm (still) working on a "no spark" problem. I changed the coil, and it ran for about a minute, then you guessed it, no spark again. <br /><br />Here's the details, and the question. It's an 80hp merc, 1970, 4cyl. As I was messing about in the boat, I...
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    swapping lower units

    Here's a new question. I hope it's not too stupid...I have a 1970 80hp Merc. 4cyl outboard. I've been trying to troubleshoot the old "no spark" problem for a while. We have a local "Free Ad" paper, that has a few Mercs ranging from 85hp. to 115hp. that they say run well, but have bad lower...
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    the path of a spark? 1970/ 80hp Merc

    I have an 80hp. Mercury 800 with Thumderbolt igintion, 1970 Ser#2881497... and of course like half the other posts, no spark. It ran fine. I stopped it, it would not start again, it had intermittent spark, sounded like it wanted to run, but wouldn't take. I replaced the external harness...
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    What year is my mercury?

    I'm still trying to find parts and help, :( but I guess the year would be helpful.<br /><br />It's a Mercury 800, 80h.p. 4 cyl. Black with blue stripes. Ser#2881497
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    80hp Merc.... for dummies

    I've read a lot of posts about no spark, but how about a "how to troubleshoot for dummies" version?<br /><br />I have a Mercury 800/ 80hp 4cyl. Age is late 60's to maybe 70... color is all black w/blue stripes if that helps, Thunderbolt ignition. Don't have the Ser#, it's sitting behind a...
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