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  1. R

    carb adjustment questions

    1972 125hp, I finally got the boat in the water last night after completely rebuilding the boat. I dumped it in the river and was standing in about knee high water and started it up. The engine was in the tilt position at this time and more than enough of the leg was under water to allow it to...
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    gas and oil leaking down my leg!

    Hey guys, as usual it's my 1972 125hp johnson, I was running it in the driveway the other day and noticed that was drips of what looked like my fuel or just the oil from the fuel coming out of the the top of the exhaust housing and leaking down the leg. The housing under the block has a cover...
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    how to install pedastal seat

    Hey guys, how do I install a pedastal seat? Do I need to cut a hole in the floor or are their some kind of anchor that I can use instead? thanks.
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    where does the black wire go?

    1972 125hp johnson, I'm trouble shooting tonight among other things and I noticed a wire from the pulse pack that is unplugged. It's a black wire and sits at the very bottom of the groupings of wires. now I looked it up in my manual and it says it should be plugged into slot 5 with ignition...
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    leaking water under flywheel!!!??

    Hi guys it's me again, 1972 125hp johnson. I was running the engine tonight adjusting the carbs when I noticed something I've never seen before. There was a very very small bit of water coming out underneath the flywheel. It was on top where all the cylenders are angled toward the flywheel...
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    Help with electric shift please!!???

    Hi guys sorry about two post's like this. The short of it is, my 1972 125hp johnson started good and shifted when I played with the fwd rev switch, I knew it was broken so I mickey moused it to work. I took it in to get a new water pump put in, now when I turn the key the engine won't do...
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    consiquences wrong leg oil?

    Hi guys I've got a 1972 125hp johnson, I just had a new water pump put in it a couple days ago. The mechanic that did it said the oil was way to thin so he put whatever else into it. What will this do If I start the engine. I've only ever run type c, this is the first time anything else has been...
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    bad timing killed my impeller?

    Hey guys,1972 125hp johnson. The timing started to act funny at the beginning of this season when I changed my oil and did a few other things to prep for boating. I had replaced the fuel lines and pump because they had never been done. The motor still skipped but the engine always ran at a good...
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    Need leg removal tips

    I've got a 1972 125hp johnson, and it's overheating now. I put it on the muffs and started it, at first the water was peeing out just fine but now the second I start it up the water stops flowing, so naturally I shut the engine off imidiately. I have a clymer repair manual but it's not the best...
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    125hp Running Hot

    Hey guys, quick question. I have a 1972 125hp johnson, I threw carb kits on both carbs the other day and popped them back on the engine. I started the engine and it fired up and idled beautifully again, the only thing is it was running hot. I had the muffs on it and there was water peeing out...
  11. R

    lower unit removal, leaking oil.

    (1972 125hp johnson)From my other post, (sorry about two) I don't really know where to go from here. There is oil leaking from one of the bolts holding the lower unit on and from the seam around the cavitation plate, and from behind the prop. I'm going to pull the unit off and replace the...
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    125hp lower unit seals

    Hey guys quick questio(s), Today I went to fire up my 1972 125hp johnson and I noticed that there was some what looked to be oil leaking out of the seam by the cavitation plate, one of the bolts for the lower unit, and from out of the prop, but not the front at the back of the prop down the...
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    140-4cyl omc

    I'm looking at a 1979 17' reinell 140-4cyl right now and I just have a question. The guy said it was all rebuilt, and the lower unit is a new omc lower unit, but it's for a 6cyl, he was saying something about gearing and how a prop may fix the "problem". What is the problem? thanks.
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    trim won't hold under load

    Hey guys, I've got a 1972 125hp johnson, and when I'm moving at a farely low speed in shallow water and I need to trim up it holds but when the speed is increased the trim lowers down to the bottom position. There isn't a leak anywhere in sight. It holds just fine when it's out of water and...
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    advice on purchase of inboard

    Hi guys I just need some advice. I'm looking to swtich from outboard to an inbaord set up. I like the way they look and they're not so noisy. Is there any more maintinance involved with inboards( I know that's pretty vague) But on average are they difficult to maintain? Should I just stick with...
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    bit of water in my oil

    Hey guys, (1972 125hp johnson) I went to change my oil the other day and noticed that when I took the bottom cap off that a couple, as in about 5, drops of water came out then the oil started to come out. Now the oil wasn't milky or anything it just seemed very thin, and from that point the oil...
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    replacing motor

    Hey guys I've got a quick question that will require a long answer or some diagrams. What kind of effort is involved in replacing an engine in my boat. Is it just unbolt the old one and pull it out along with electronics and drop the new one in and rewiring it. anyway that's my rediculous...
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    1972 125hp fwd rev wiring

    (1972 125hp johnson) Hey guys quick question, I just need to know if anybody knows the configuration in which the the wires on the forward reverse switch need voltage to control shifting. blue green and purple I think, I just don't know which voltage get's supplied to which ones and when to make...
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    1972 johnson 125hp

    Hey guys, anybody know where I can get a forward reverse switch for my 1972 johnson 125hp? Mine is pretty much dead now so I'ts about time that I replaced it. I was once given a site with a schematic of the part and the price and the place to order from, is it possible if anybody could send me...
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    fwd rev switch for 125

    I've got a 1972 125hp that was having some trouble starting. It wouldn't start, then it would then it would be in drive and wouldn't come out, so I finally found my way trouble shooting up into the control box. I opened it up and found the little switch that switches the engine from fwd.drv. and...
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