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    9.9 or 18. Which would you choose?

    I'm torn between which of these two engines to use for the auxillary motor on my fishing boat. :rolleyes: <br /><br />My boat is a 17ft tri-hull with a Johnson 55 on the back. It weighs about 1000 lbs I suppose.<br /><br />I have a 1986 Johnson 9.9 which was going to be the auxillary, but...
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    Timing question. 1966 18 hp Evinrude.

    Hi<br />I got my old 1966 Evinrude 18 fastwin running yesterday ;o). I found it very sensitive to adjustments on the idle screw, ie, sneezing alot if I screwed it in just a fraction too much. But now it seems to be running O.K. It idles nice and seems responsive.<br /><br />Here's the problem...
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    197? 4 hp Evinrude won't run :o(

    Hi<br />It will start up on full choke, with the throttle advanced past the start mark, after a lot of pulling, but it only runs for about 10-20 seconds before it just loses power and dies. If I try to open the choke, or move the throttle back to idle, it'll die immediately. When it runs at high...
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    1966 Evinrude 18hp ignition questions.

    Hi<br />I've just replaced all the ignition parts under the flywheel and fitted new HT leads on my old fastwin. When I got this engine, the old HT leads had been cut, so I don't know which lead goes to the number 1 cylinder.<br /><br />I've tried watching both sets of points and seeing which...
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    What year is this Merc 65?

    Hi<br />I've got a Merc 65 that I bought as a non runner to fix up. The serial number is 3335022. The search option on here has indicated that it's a 1972, but I'm not so sure. It is a blueband, but the cowling is the later, square plastic one. Also, the engine doesn't look like it could be...
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    uneven compression 4hp Evinrude. (update)

    Hi<br />I've got a 1980 Evinrude 4hp that I'm trying to get running. The compression readings are 100 psi in number one, and 80 psi in number two. I've had the head off to clean out the water passages and the pistons and cylinders looked in very good shape. No dings or scoring, and no...
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    Merc 65 ignition switch problem.

    Hi<br />I just got a blueband Mercury 65 hp to play with! I'll post the serial number tomorrow, but it's the one with the plastic, square shaped cowling.<br /><br />The previous owner says that it was a good runner, but the ignition switch failed and he replaced it with an automotive switch! I...
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    Evinrude 18hp questions.

    Hi<br />I've just got a 1966 Evinrude 18hp, longshaft, that needs some work doing to it. Could anyone tell me what the correct fuel mix is? <br /><br />Also, could anyone tell me how much this engine weighs? It feels as light as, or lighter, than my longshaft 1986 Johnson 9.9, which according...
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    55 hp V 65 hp. Which is the better engine?

    Hi<br />I currently have a 1980 Johnson 55, 2 cylinder, on the back of my fishing boat. I'm happy with the engine apart from it doesn't idle great.<br /><br />I've got the chance to buy a 1970's Evinrude 65, 3 cylinder, cheap. I've heard that the 3 cylinder engines run smoother and idle better...
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    Water tube extension piece?

    Hi<br />Do OMC do a water tube extension piece for converting a short shaft into a longshaft? If not, can anyone recommend a method of extending the water tube?<br /><br />Thanks in advance<br />Steve
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    OMC 9.9 & 15. 1975-86

    Hi<br />I've seen an OEM manual on ebay for 1975 9.9's and 15's. Was there many changes made to these engines from 1975 to, say, 1986?<br /><br />I'm thinking that the OEM manual, even though it's a 1975, might be better than the Seloc and Clymer ones that cover all the years. From what I've...
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    What's with these ohms?

    Hi<br />I've been checking and testing various things on my outboards by following the instructions in the manuals. I know how to read the ohm meter, but I don't understand some of the terminolgy in the manuals.<br /><br />Things like open circuit. What does that mean? Will an open circuit...
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    Engine hard to pull over.

    Hi<br />I picked up a 1977 Johnson 9.9 recently which needed a few things doing to it. I've changed the water pump and rebuilt the carbs, and I've a few other little jobs to do.<br /><br />The thing that bothers me is that this engine is very hard to pull over. You would think you were pulling...
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    1986 9.9. Charge coil defective? (update)

    Hi<br />I have a 1986 Johnson 9.9 that I bought as a non runner. Compression is good, but it has no spark. The previous owner had a new powerpack fitted a couple of months ago and the engine has run since it was fitted.<br /><br />I'm just trying to get my head around outboard electrics, so...
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    Testing charge coil voltage with a multimeter.

    Hi<br />In one of the books I have it says that to test charge coil voltage, I have to use a multi meter with a mercury DVA adapter, (part number 91-89045), which converts AC voltage to DC voltage that the multimeter can read.<br /><br />I've been looking to buy a new multimeter, and most of the...
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    PB Blaster.

    Hi<br />Having read on these forums how good PB Blaster is, I brought a can home with me from my recent holiday in the USA. I can't believe how good it works! Far, far better than anything we can buy here in the UK.<br /><br />So, I thought I'd try to get some shipped over. One place that was...
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    Converting 9.9 Johnson back to tiller control.

    Hi<br />I've got a 1986 Johnson 9.9 that has been fitted with remotes. I want to use it as an auxillary engine on my fishing boat and therefore want to convert it back to tiller control.<br /><br />I found a used tiller handle and the rod which goes through the engine cowling, with the cogs on...
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    1986 Johnson 9.9, upper drive shaft seals.

    1986 Johnson 9.9, upper drive shaft seals. Hi<br />I've just got a nice 1986 Johnson 9.9. The previous owner took it to have a new impeller fitted, but the driveshaft was frozen in the crank shaft. It looks like the repair man forced the drive shaft out of the lower unit, and then gave a...
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    Exhaust relief port on 1973 6hp Evinrude?

    Hi<br />I just got hold of an old 1973 Evinrude 6hp Fisherman. It's in a sorry state, but I'd love to get it running again.<br /><br />There is a really bad repair that's been done where I think the exhaust relief port should be, (if it has one!). At the top end of the exhaust housing, someone...
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    Have OMC beefed up their water pump kits?

    Hi<br />I recently bought a new waterpump kit, (among other spare parts), whilst on holiday in the states,(much cheaper ;o), for my 1980 Johnson 55. (J55EL80C)<br /><br />When I looked at it, the impeller seems to be much bigger and thicker than the one I have in my motor at present. When I...
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