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    Carb kit help needed

    I have a 1968 Merc 500. Serial #24xxxxx I was looking at the Sierra and mallory carb kits and they seem to have different parts acording to the pics. Is this true? Which one should I get? Thanks
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    Question on Transom

    So, is their a weight to distance ratio, or something to that effect, that you have to take into consideration when determining if you can use a Jack plate on a boats transom? I have a 15' Trophy bass boat, very sound transom, and I am considering putting a jack plate on it to allow me to use...
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    16" Transom Boats???

    Can anyone point me in the direction to what manufacturer, if any, makes 16" transoms on boats that are rated for 50hp and have remote steering and throttle capability? Thanks.
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    Running short shaft???

    Hey guys, not sure where to put this one, but you all have been very helpful in the past so I am going to stick it here. So I decided to rebuild my Chrysler the right way and in doing so wanted to get another motor for the meantime. I found a nice, not very used, 50 horse short shaft. Well...
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    Not grounding plug wires??

    Well, I am buying a 1968 merc 500 from a guy at work. I took it home last night and wanted to check compression. Would have done it at his house, but he is a pretty nice guy and told me to just take it home. Anyways, when I checked the compression I just left the wires hanging. Now I have...
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    68' and 74' Mercury 500 compatible?

    I have an opportunity to purchase the 74' at a decent price I believe, but it needs a new lower end. It is torn up pretty bad. I also have a guy that has a 68' for a fair price. Will parts on the two swap out? Will the lower units swap out? Thanks guys for the help. serial numbers off the...
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    Maintenance on Breakerless Ignition?

    So what exactly is this "breakerless ignition"? And what maintenance is there required? I was reading a post that directed them to that one website where you can get your engines wiring diagram, and the only one I could find for mine was a "breakerless" ignition. The only searches that...
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    1979 Merc 90hp questions on ignition(Pics added)

    Hey all. Just wanted to ask a question about the above mentioned motor. It is on an old boat, I am just interested in the motor itself. I currently have a 3 cyl 70hp Chrysler. When looking at the side of the motor itself it seems like there should be something that bolts up along side the...
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    Hose routing ?

    Well, I went and done it again. lol. I thought with me taking all the pictures I have been doing I would have adequate documentation. I failed to do the number one thing when tearing something apart, and that would be to read what people that have torn it apart before have said. I took the...
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    Water flow diagram

    Anyone have a good diagram or detailed description of how water flows in the Chrysler engines? I have a 1973 70hp, if it matters. I am just curious of the direction and where it goes and all if that makes any sense. Hope someone understands what I am asking for. Thanks guys.
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    1968 50hp Thunderbolt

    So I am curious just how good a motor this is. I currently have a Chrysler. Long story made short is that there are quite a few things wrong with it. Scored piston, scored cylinder, the lower unit was leaking, just found out i am going to have to do some surgery to get the by-pass valve out...
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    By-Pass valve on 70hp 1973 Chrysler

    Well as if I did not need another thing to deal with, low and behold I decide to check the valve to make sure it was ok and found out it was not. Took the cover off, pulled, and pulled the cover with spring attached, finally got the spring out, albeit it is stretched now. Where it is located...
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    Piston examination...1973 70hp Chrysler

    So here is a slight continuation, but new subject in the same. Took the pistons out last night. When removing the first one, top, I thought that I might be wasting my time doing this. It was in real good shape. But then again this is my limited knowledge speaking. This would be why I am...
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    1968? Mercury 50hp question

    So here is the scoop. I have had a heck of a time with my current outboard. A guy I work with has this merc he is willing to sell me. He at first told me it was a 1972 merc thunderbolt, but he brought in the serial number #2479292 and it shows it being a 1968 on the charts. Am I missing...
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    Advice on a 1973 70hp Chrysler (Pictures Added)

    So here is the story. This may be a little long, but it will help to understand the issue I am faced with. I am looking for advice, what ever it may be. Those of you who have gone through this, and even if you have not. I just need to make a decision on what to do. So last year my wife...
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    70 h.p. Chrysler thermostat

    I have a 1973 Chrysler 70hp, model 707HF, and I am wondering if it has a thermostat in it. The reason I ask is because I cannot find where you can get them online for that particular model or year. But that might just be me, I am known for not being able to find things some times. Just...
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    Fuel Pump Check Valves

    Hey all, Lots of info on here, hoping that someone can help me. I have a 70 hp Chrysler that when I took the fuel pump off to replace the diaphram I found that someone had gotten "frustrated" with it and had severely messed up the check valves. There are three in there, one removable. I do...
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