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    1972 25hp evinrude water over flow issue

    As far back as iv tracked this motor from owner that had it 15 years before me was fresh water compression is 121 top 120 bottom Motor is nowhere near its end yet but it's not been looked after before me im just working through issues learning the motor and once I get it figured out gonna do a...
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    1972 25hp evinrude water over flow issue

    This could be considered a stupid question but im only just starting to reserch the water flow but could water be leaking from a bad gasket on a cylinder head? I only ask cose I replaced the cylinder head about 2 months ago with one off my spare parts motor and the gasket on the spare parts...
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    1972 25hp evinrude water over flow issue

    This could be considered a stupid question but im only just starting to reserch the water flow but could water be leaking from a bad gasket on a cylinder head? I only ask cose I replaced the cylinder head about 2 months ago with one off my spare parts motor and the gasket on the spare parts...
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    1972 25hp evinrude water over flow issue

    Never mind just clicked on to wet vac lol suck the water out with a vacuum to spot the leak
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    1972 25hp evinrude water over flow issue

    Do you have any vidio references on how to do that? Im a backyard bush mechanic figuring all this out as I go
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    1972 25hp evinrude water over flow issue

    Yeah it's spraying mist out of the exuast hole on the leg Im doing a caribe rebuild in a few days was thinking of checking the thermostat if that is locking open or closed could that be causing pressure build up and forcing the leaks Also what gaskets would need replacing to seal the leaks
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    1972 25hp evinrude water over flow issue

    G'day legends Appreciate all the help iv gotten so far on this old outboard Onto the next issue to solve there seems to be an excessive amount of water building up in the tray as it's not draining through the motor properly and iv got no clue where it's supposed to drain from Iv uploaded a...
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    1972 evinrude 25hp sparkplugs

    Thanks for all the info guys what iv come out with is to much time at low idle as I only fish rivers with lots of snags so spend to much time at low idle doging trees iv slightly lower the oil ration and gone to j6c spark plugs Took her out and was getting much better low range opened it WOT...
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    1972 evinrude 25hp sparkplugs

    Yeah but at least a 72 is usaly reliable even when the arthritis plays up it still got me back to the boat ramp
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    1972 evinrude 25hp sparkplugs

    Ps spark plugs were replaced 4 months ago but im wondering if there is a replacement for the j4c champion to a hotter plug safely if that would help
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    1972 evinrude 25hp sparkplugs

    Compression test showed 122psi top and 121psi bottom cylinder Primer bulb went rock hard well out on the water today No fuel leaking from the carbie I also tried adjusting the air mixture screw well out on the water Breaker points were cleaned and inspected when I replaced the woodruff key...
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    1972 evinrude 25hp sparkplugs

    G'day legends So I was out on the water today trying to get some fishing in my old outboard was giving me some drama every now and then I'd have throttle wide open but wouldn't get going then after about 30seconds it would take off normaly Sometime it cut out at half throttle then when trying...
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    1972 25hp evinrude rebuild

    Do ya recon it's damage or just build up? Or do you mean brand new unused with the same bumps? I have a 78 25hp rude not sure if pistons are compatible 76 being 22in cube 78 being 33in cube but the pistons on the 78 look clean with no indents
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    1972 25hp evinrude rebuild

    Y Ya very sure woulda done bo & Luke duke proud on that 1 Hit it at about 30 knots front of the tinny went up then the back collected it back shot up front slamed down out board swung up got me in the back Was just a well hidden stump not even a ripple on the river to indicate it was there
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    1972 25hp evinrude rebuild

    Not sure if this was caused by the wrong spark plug being to long or what caused it but it definitely doesn't look right The main dmg was caused when I hit a log on the river and the piston hit the spark plug hard enough to pop the spark plug out taking the thread from the head off But I have...
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    1972 25hp evinrude rebuild

    They were the wrong spark plugs in there they were to long I swaped em out for the correct spark plugs awhile ago Hit a log and the sudden jolt musta had just the right timing but the piston slamed the spark plug right outta the hole striped the thread lucky iv got the spare parts motor just...
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    1972 25hp evinrude rebuild

    Main reason for the rebuild is a damaged piston the previous owner had the wrong spark plugs in and the end of the piston was bashing against the spark plug But mostly just a winter project clean the old girl right up new paint job the whole kit and kabodle so I'll have a good motor for years...
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    1972 25hp evinrude rebuild

    What do you mean by a quick swap? And there's no one in my area that will touch a 72 rude there not the most popular brand in Australia but I love em tough motors
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    1972 25hp evinrude rebuild

    G'day legends It's gonna be winter in a couple months hear in the land of Oz so when the boat comes off the water for the season I wanted to start a project to do a full rebuild on my 1972 25hp evinrude It's a great motor and my boat loves it as much as I do very basic simple motor Im wounder...
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    Exuast backfires 1976 25hp evinrude

    For anyone else reading this thread trying to figure out what's wrong with your out board backfiring once you pull your fly wheel even if your key isn't snapped just bit the $8 bullet and replace it as small amounts grinding off it can do alot As for lapping your flywheel this vidio isn't for a...
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