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    small boating in the galveston area.

    I guess this is kind of a goofy question, but there it goes. Can I take my 1975 18' Mark Twain 165 hp I/O around the Galveston TX area? And if so, what can I do to prep my boat for a saltwater outing? Its too far from Dallas to go and take a look, so if possible I would like to know ahead of...
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    trim and tilt are very slow, do I need a new pump?

    The raising and lowering of my outdrive is extremely slow. So I was wondering if I needed to replace my pump, or should I jsut bleed the system? Right when I hit the buttons to raise the out drive it starts out norman, but within a second or two it slows down to a crawl.
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    Do I need a PVC on the valve cover??

    I am in the process of replacing my flame arrestor, my old one is really banged up. But i've never had a pvc valve on the valve cover, jsut a big ol hole on top of it. So I called the local marine repair shop and inquired about getting one from them, so I asked them about weather or not I would...
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    spark plug gap for Mercruiser 165

    Hey guys I did a search on here to see if I could find out what the gap is on a 1975 MerCruiser straight 6 165 hp motor. The auto part store was completely useless with this :confused: .
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    Need some ideas for making a ski boat into a F/S boat

    I have just moved to Texas and to tell you the truth, I am itchin to do some fishin. But the truth is that I dont really have the boat to do it in. I've got an 18' 1975 Mark Twain with a MerCruiser 165 I/O, deep v hull. Ideally I would like to get a fish and ski boat or just a small fishing boat...
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    serial # on outdrive

    I have just moved to the great state of Texas, and need to register my boat. On the application; it is asking me for the serial number on the outdrive. But when I went to look for this serial number I was unable to find one. The boat is a 1975 Mark Twain with a Mercruiser straight six 165 I/O. I...
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    steering cable

    I have a friend that owns a 94 Stratos with a 175 hp Johnson on the back. His steering is extrememly stiff, to the point of being scary. I aske dhim why he doesn't jsut lubricate it, and he said nothing would fit the niple on that line. <br /><br />Does this year boat need a special adapter to...
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    Is this jet boat worth looking at???

    Hey yall! Here is a sweet looking boat that i've had my eye on for a while and today I saw a for sale sign on it, but I am wondering if it is too much of a maintenance nightmare. I am going to just give you the description that is on the boat.<br /><br />"21' Glastron Carlson cv-21ss<br />The...
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    3 blade or 4 blade for 165 hp Mercruiser

    I have a 1975 18' Mark Twain with a 165 hp I/O. I was out on the lake this last weekend and somehow lost about a 1/4 off one of my blades. I had just put this prop back on after the prop shop had rebuilt it for me. I know what I hit the first time (a log :eek: ), but this last time I do not...
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    new swim platform for old boat

    I've got a 1975 18' Mark Twain with an I/O. We use this boat for tubing, skiing, wakeboading... I was thinking of installing a swim platform on the back. Can anyone suggest a manufacturer or place to get one. I want something that will take the punishment of being used on a weekly basis. We are...
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    hard to shift into gear

    I have a 1975 18' Mark Twain with a 165 hp Mercruiser I/O. And a pre-alpha outdrive. This past Saturday I was out at Beaver Lake in AR. The boating was good, but when I got home I noticed that there was a hole on the side of my outdrive that wasn't there before. I went ahead and checked the...
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    how much outdrive fluid in my MerCruiser

    1975 Mark Twain 165 hp i/o MErcruiser. <br />I was winterizing my boat for the first time yesterday. I went ahead and drained the outdrive fluid but realized that my outdrive has screws are not like my old ones. The lower screw is where it is supposed to be at (all the way at the bottom). BUt my...
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    shaft length

    How do I know the length of the shaft on my motor. I have a 1969 Merc 500 50 hp motor. :confused:
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    What year is my kiekhaefer

    Hey yall! I just purchased a 50 hp merc from a guy that said it was a 1969, but he wasn't real sure. The engine reads Merc 500, Kiekhafer, Thunderbolt ignition and the serial number on it is 2627732. Also how do I meausre the shaft on it. It looks to be long shaft to me but I want to be...
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    trailer lights for E-350 van

    Hey guys! I just got an 1996 econoline E-350 van. I put in a hitch for it last week, but I am having trouble finding the proper trailer light adapter for it. I checked at O'Reillys and they where not real sure as to which adapter I needed. When I am looking at the bottom of the van I can see a...
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    boat keeps going when put in neutral

    I noticed the other day when I was trying to trailer my boat that when ever I am going in any direction and put it in neutral, the boat just keeps on going. :eek: I have to start engaging the opposite direction in order for it to go into neutral and then the opposite direction. <br /><br />I...
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    Hole on my valve cover

    Hi yall, i've got a bit aof a dilema. I have 165 hp MerCruiser. It's a straight six in an 18' Mark Twain that I just purchased a couple of weeks ago. And the other day I was working on it and I could not help but notice there is a hole on my valve cover. It strikes me as the one you see on older...
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    is two gas tanks the ticket

    Hey yall! I was just wondering. I have a 18' 1975 open bow Mark Twain with a 165 hp Mercruiser. Currently I have one 18 gallon gas tank and I am parting-out my 16' Twain which also has an 18 gallon gas tank in it. Would it be safe to put two 18 gallon tanks in it. I have heard mention here about...
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    water spashing out around the gimle area

    I went tubing today and as I was getting pulled aroun. I noticed water splashing out around the gimble. Is this normal, or is something wrong :confused:
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    alpha?? alpha II?? bravo??

    I have a 1968 Mark Twain with a 120 Mercruiser. So how do I know which outdrive I have???
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