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    What spark plug do I use?

    I have 1967 Mercury, 9.8hp, model 110. The motor starts easily after a few pulls but seems to run rough after it starts. I seem to have good spark and I cleaned out the carb really good and compression is good. I was told that I could have the wrong spark plug for this motor. Can anyone tell me...
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    Spark plug question for '67 Merc

    I have a 1967, 9.8hp Merc. The manual I have said to put in a champion L4J plug. The place I went to didn't have this plug but cross referenced it to an Auto lite plug. I was told I should have used the champion because it is a better plug. Does any one know if there is there a notable...
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    1967 MERC, 9.8HP water pump question

    I replaced the water pump on a 1967 Merc, 9.8hp, model 110. I can't see any water coming out but I'm not sure where it is suppose to come out. Can any one tell me?<br /><br />Thanks
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    1967 Mercury lower unit

    I'm working on a 1967, 10hp Mecury, model 110. I replaced the reverse bearing and I was wondering how I should press the bearing into the bearing carrier and how much pressure to use. The carrier is made of a soft metal and I don't want to crack it. <br /><br />Thanks
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    Lower unit problem in a '67, 10hp Merc

    I'm working on a 1967, 10hp Mercury. I had a problem in the lower unit and I replaced the bearings in the forward and reverse gears. I also replaced the roller bearing on the drive shaft. I can put the drive shaft onto the pinion gear and onto the forward gear but I can not turn it. It seems to...
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    carb replacement

    I have a 1959,10hp Johnson that needs a carb. I have a 1954 18hp Johnson that doesn't work but the carb is good. Can I put the 54 carb on the 59 johnson? If I can, will there be a diference in performance? That is, will the 59 Johnson run faster, slower, smoother, etc?<br /><br />thanks
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    Mid 50's Johnson carb question

    I'm working on a Mid 1950's Johnson, 18hp. I'm cleaning the carb and there is a sealed chamber at the end of the low speed needle assembly. Do I take that off and clean inside it? The kit I got looks like it came with a same size seal. It doesn't look like it will come out easy. How does it come...
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    Fuel gage problems

    I've read a couple of problems concerning the fuel gage in this forum so I thought I would put my 2 cents in. I had a fuel gage that read empty all the time. I checked and found it faulty. I replaced it and turned turn on the ignition and it read full. The next time it went to 3/4 and when I...
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    In need of some parts for Mercury

    Where is there a good place on the web to get parts for the lower unit of a mid 60's 10hp Mercury? I'm in need of a few parts to get this motor going.<br /><br />Thanks
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    67 Mercury 9.8hp lower unit problem

    Hello all<br /><br />I'm working on a 1967, 9.8hp Mercury with shifting problems. I've got most of it apart except for the forward gear. The book I have said to bang it on a piece of wood and the gear should drop out. Well it aint coming out. Anybody have any suggestions?<br /><br />Thanks
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    Where do I get stern drive manual?

    Hi all<br /><br />I'm not sure if I'm in the right place for this question but hear goes. My stern drive is broke down and I want to learn how to fix it myself and save a few $$$. I want to get a manual for it but there is no identification on it telling me what model/year it is. I was told the...
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    How to check a rectifier?

    I have a 1976 110 Mercury, 9.8hp. The motor can take quite a few pulls before it starts but idles and runs find. When I throttle up to top speed I can hear arcing but the motor seems to run find. I'm going to check the points but I thought I would check the rectifier as well since I will have...
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    Year of my mercury

    Where is the best place on the web to find the year of a mercury? If anyone wants to help me out, the serial number is 4393818.<br /><br />Thanks
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    Motor just quit working

    This may be hard for me to explain what is wrong with my motor but I'll give it my best shot. I have a 190 hp v8 motor with a mercrusier outdrive. I believe the year of the motor is 1975. All summer long the motor has started right up and everything has run smoothly until yesterday. I was...
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    What is this motor worth?

    I'm thinking of buying this outboard and I was wondering if it is worth it. It's a 1999, 4 stroke, 9.9hp Evinrude. It comes with an electric starter. They want $1000. Is this a good price? I do not know how to price motors.<br /><br />Thanks
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    Merc 9.8hp lower unit help

    I'm working on a lower unit that is stuck in forward gear to a late 60's MERCURY 9.8HP motor. I can get the prop off but I can not get that nut on the inside that turns clock wise to get off. I do not have that special tool the service manual calls for. I've tried just about every other tool I...
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    Inoperative fuel gage

    Hello all<br /><br />My fuel gage does not work. It reads empty. How do I find out if the problem is the gage or in the tank?<br /><br />thanks
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    fuel problem on merc 188hp

    I have an i/o merc 188hp that is hard to start. If I put some gas or starting fluid in the carb, it will fire right up and run fine with no problems. But once it sits for a while it is hard to start again. Where is the source of my problem?<br /><br />Thanks
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    what's my point gap setting?

    I'm bought my first boat this year and it needs a tune up. The previous owner said it is a ford v8, 188hp with a merc outdrive. I was going to replace the points but I'm not sure where to set the gap at? Can anyone tell me?<br /><br />Thanks
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    1954 10hp Johnson problem at high RPM's

    I was running my 1954, 10hp motor last week. It starts up and idles great. It will run normally at low to mid throttle. But when I go to full throttle, the motor seems to go into neutral as the motor's RPM's run really high and I'm not going any where. And the gear shift level still shows it is...
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