smitch6 Posted June 28, 2010 Share Posted June 28, 2010 just picked up this outboard off ebay for a really good price was working fine and still is but the tell tale water has slowed right down it was shooting out and then after an hour or so it now trickles out never had a water cooled before so don't actually know anything about them any ideas why its slowed down and has anyone got a manual on this outboard it was built between 77-87 i think thanks steve Quote Link to comment Share on other sites More sharing options...
Mowjo Posted June 28, 2010 Share Posted June 28, 2010 Steve! no doubt someone here will know more, but the only two things I can think of is the tell tale is blocked, or the Impellor needs re-newing, if the engine hasn't been used for a while the chances are it's the impellor that has perished, I believe you can back flush the tell tale but I have no idea how you do it on a Johnson, if it's the same as my old Mariner you can buy a thing that looks like a pair of earmuffs that clamp onto the engine sides that allows you to backflush it, if your based on the Broads why don't you have a word with the guy at Ludham Bridge Services and get it serviced, he may even know where you can get the manual for it, Regards Frank,,, Quote Link to comment Share on other sites More sharing options...
Guest Posted June 28, 2010 Share Posted June 28, 2010 Was it getting hot as well though Steve ? There's a reasonable chance it could just be a flake of rust that has moved over the small telltale hole. I had it once with a similar sized engine, and a quick jiggle around with a nail restored the flow. (It is just a "tell tail" bleed, the main water outlet is below the water line.) Quote Link to comment Share on other sites More sharing options...
smitch6 Posted June 29, 2010 Author Share Posted June 29, 2010 no it didn't seem to be getting hot 1st time i've used it so not really sure funny cos the water that was coming out you could of had a shower it was warm enough Quote Link to comment Share on other sites More sharing options...
Guest Posted June 29, 2010 Share Posted June 29, 2010 Yes, when you test run an engine in a wheelie bin it heats the water up pretty quickly. It's well worth trying to poke the tell-tale with a piece of wire or something, as I said it's always cured mine, and there's nothing to lose. Quote Link to comment Share on other sites More sharing options...
smitch6 Posted July 1, 2010 Author Share Posted July 1, 2010 well i had a poke around underneath from what i think is the tell tale hole and ran it and the water doesn't even come out of there????????? it comes out of a casing join in the bottom of the outboard very near the hole tho lol so i'm now wondering if there's a rubber tube or something inside that has come off there are 2 bolts right beside there but i'm a bit dubious to undo them i'm one of these ppl who do things then think pig it why did i do that lol and i then have to get someone else to sort the mess i just caused so now if i'm unsure i ten to leave well alone i could really do with a manual on this thing if anyone has one they wouldn't mind scanning and emailing me pleaseeeeeeee Quote Link to comment Share on other sites More sharing options...
Guest Posted July 1, 2010 Share Posted July 1, 2010 could you post a photo Steve ? Quote Link to comment Share on other sites More sharing options...
smitch6 Posted July 1, 2010 Author Share Posted July 1, 2010 you can see the tell tale hole and the water comes out just to the right of it via the moulding crack lol Quote Link to comment Share on other sites More sharing options...
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