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    compression test and timing - 1994 250 hp Johnson

    Hello again, after the mechanical things I have done on the motor I wanted to figure out why it is not running smooth. Now today I did a compression test and checked with the timing light. It is my first time ever to use a timing light so I wonder what I've got. Compression first: Cyl 2 (top...
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    motor residue when firing up first time after winter

    Hello, today I mounted the lower unit on my 94 ocean runner 250 hp with my son and must say pretty proud we got it back on. Shift rod in place and reverse and forward and neutral all ok. Pumped the fuel ball until hard and choked while cranking - after 4 tries it is running ok. But smoking and...
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    is this 'old-timer' a good motor to buy?

    Re: is this 'old-timer' a good motor to buy? here is another pic of the motor, a yachtwin - i think i just buy this one if the price will be decent (what would be decent?) and work on it to learn more - got kind of hooked on working with these outboards.
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    is this 'old-timer' a good motor to buy?

    Hello, I can buy this little fellow, i do like the looks of it and could use it for a little boat for the kids - just wondering if this is a good motor or is it a known problem item? the seller informs that lower unit must come off since the cooling pipe is not correctly mounted - my question...
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    1994/250hp - 3 q's - thermostat/LU reinstall/shift rod down or up in reverse

    hello again tomorrow I will try to reinstall the lower unit on my oceanrunner and test the motor (spark testing), check to see if I can get it good in gear, no strange sounds (have adjusted shift rod length), nice pee etc. 3 q's 1. is it ok to test the motor with the water hose on without...
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    how to remove thermostat housing (with pics)?

    Re: how to remove thermostat housing (with pics)? actually i am waiting for replacement housings already, - i bought them together with the thermostats and the gaskets. hope to have them early next week. they look like this: - so it looks they are just pushed in. the slide hammer is possibly...
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    how to remove thermostat housing (with pics)?

    Re: how to remove thermostat housing (with pics)? OK, I have tried to show in the new picture. the ring that looks damaged is the most left part of the housing (as marked in the drawing in the original post) - hope I explain myself clear enough - you see in the newest picture on the left side...
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    how to remove thermostat housing (with pics)?

    hello, see the pic for how my thermostat assembly looks like. Here below another pic of how it looks like in there I have been able to take out all the parts but the housing as marked in the picture seems to be difficult to remove. Appreciate any good suggestion on how I could try to...
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    lower unit drain plug gasket not completely sealing

    I have bought new drainplugs/gaskets and changed LU oil on my johnson 250 - it is a dark grey paper type gasket that came in the kit - but it seems not to be 100% sealing, very very little oil is running from the lower drain plug - is it so that this paper like gasket must absorb a bit oil...
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    part number thermostat Johnson ocean runner 250 1994

    Hello, from what I have been able to read on the internet the thermostat is behind the cover in the red square (see pic). I am unable to find the part number for these thermostats/kits for my motor, can anyone help? thx in advance
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    paint lower unit

    Re: paint lower unit and here a pic after finishing with 2 layers of johnson white. pleased with the result and I hope it will stay like this for a while (try to stay out of the sand :rolleyes:) thx for all good advice from you.
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    paint lower unit

    Re: paint lower unit here a pic after the primer work - my primer is grey
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    unable to move the prop shaft a bit in/out

    Hello, On my Johnson 250 '94 I used to be able to move the prop shaft a bit in and out (possibly 1-1,5 mm or so) but now after I have resealed the prop shaft housing and re-mounted it I seem not to be able to do so any more. Have I tightened the housing to much or is that not possible? Is it...
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    johnson oceanrunner 250 exact model id

    Hello, I am pretty sure my motor is a 1994 johnson (from a reg. card) but I can not find the model number/serial number anywhere. Only number I can find is the number in the top of the motor block, see picture. Can anyone help me find out what exactly is the type/model of my engine? Thanks...
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    prop shaft seals renewal - 1994 oceanrunner 250

    ok, I have come a lot further than I ever imagined - now I am replacing the prop shaft seals in the back of the housing. I was able to pop them out after a bit of work. Below where the seals were there is a little hole just above the needle bearing - see my question in the picture.. In order...
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    1994 Oceanrunner 250 your opinion about this reverse gear

    Before painting the lower unit and putting it back together again I decided to start the biggest project sofar - opening up the gear housing. Just hope I can get it back together again. I have always had a strange noise when going in reverse, as if the gears are not locking, but the sound seems...
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    paint lower unit

    hello, my 250 oceanrunner lower unit is not looking so good anymore and I wish to grind and paint it so it looks better again. Can you give me advice on what is a good and proven method for this kind of maintenance? - what sand paper to use? - what kind of paint as first layer? - different...
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    shift rod screw head diameter

    Re: shift rod screw head diameter - LU removal Oceanrunner 250 Re: shift rod screw head diameter - LU removal Oceanrunner 250 The proof is in the picture.... thanks all for good advice on the how and what - it came off just so easy once done as you told me to. I used the long flexible...
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    shift rod screw head diameter

    Hello, I will now try to remove the lower unit of my 1994 250hp oceanrunner and need to loosen the shift rod screw so the unit will come down - anybody happens to know what the size of this screwhead is? tried a 10mm but seems just a bit too big - maybe 3/8"? I tried to find a drawing but could...
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    Johnson 250 hp Oceanrunner - Does this engine run smooth enough? See video

    I had trouble last year with the motor not running as it should. Turned out to be the filter/separator that was full of dirt and contained quite some water. Changed that and now it is running much better. But how smooth should a v8 run? How could I improve it further. I am not a mechanic and...
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