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    Mecuary 25hp sea pro 2006 cold start issues

    G'day legends I picked up a really well looked after 2006 25hp mecuary sea pro motor it's only ever been used as a trolling motor on a bigger boat so done next to no work When I picked it up he had already had it started and was running great so I slaped it on my boat for a camping fishing trip...
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    Serial number look up

    No tag on the carbie I was considering pulling the fly wheel hoping its original with a stamp but not sure how close that will get me
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    Serial number look up

    Unfortunately iv looked over the entire motor and that is the only number I can find anywhere on it iv found videos on YouTube that look the same that say 1966 but I'm not sure if it's that old the market place add said it was a 89 but I don't think it's that new eaither so match parts is gonna...
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    Serial number look up

    So if there is no manafacture plates on the motor due to someone has painted the motor and never put it back on Is there any other way to get a make and model of a older jhonson The old mercs could use the serial stamp on freeze plugs if it was still original
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    Serial number look up

    For some reason I don't have permission to upload photos even tho iv uploaded photos in the past Says The upload failed because the file could not be written to the server. The site administrator will need to Something something can't read the rest
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    Serial number look up

    G'day legends Got another mystery motor with no manafacture plates was wondering if anyone could help me identify make and model Found a serial number on the freeze plug but google isn't being helpful at all Freeze plug stamp number is 008206 It's a old jhonson super sea horse best guess would...
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    Serial number gone

    Thank you very much highly appreciated
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    Serial number gone

    G'day legends Hoping for some help got a old 15hp mercury I'm trying to determine the year and model the serial number is completely gone off the sticker all I have is the serial stamp on the freeze plug but can't seem to find any reference I'm hoping someone with more experience can tell me...
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    1972 25hp evinrude water over flow issue

    Well smacked the hell outta my knuckles and that hurt alot less than the knowledge of what just happened I was only upto 80inch pounds of torque when it snaped so not even done upto requirements yet
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    1972 25hp evinrude water over flow issue

    Well that's about as good as the old girls gonna get I did tap the core plug a lil to hard but lesson learned gentle taps next time
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    1972 25hp evinrude water over flow issue

    Got a question about the core plugs are the designed to be a weak point incase there's a pressure build up issue such as a blockage somewhere water can't get out so the core plug gives way instead? I only ask as I was looking at my spare head with the striped sparkplug hole and someone went to...
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    1972 25hp evinrude water over flow issue

    I checked the other head and it had a thermostat in it was pretty grubby so I threw it in to soak with the carbie im currently cleaning up if it's still stuffed I'll order a new one there cheap enough was just curious why there was no thermostat in there Probably should of checked that when I...
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    1972 25hp evinrude water over flow issue

    Thought I'd check the thermostat well im at it and there isn't 1 in there is it common for ppl to remove them cose it works better with out 1 on these motors? Or should I definitely get 1
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    1972 25hp evinrude water over flow issue

    @racerone for the win Core plug has completely **** its self glad I bit the bullet and ordered 1 the same time as the gasket just need to wait till Tuesday when they arrive now
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    1972 25hp evinrude water over flow issue

    Yeah iv seen a vidio on how to get it flat and good again but is there a easy way to do the block side with out getting shavings in the pistons with out pulling the head apart Can I just stuff a sock or something in there?
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    1972 25hp evinrude water over flow issue

    Get to have a play and good look at it tomorrow and over the weekend iv got the old head there as well so if the head is damaged iv still got another head but the spark plug hole is striped I'll just have to retap it
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    1972 25hp evinrude water over flow issue

    For anyone else that finds this thread in the future for a similar problem hears all the tec specs iv found
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    1972 25hp evinrude water over flow issue

    Going to do some more work on it on Friday will post pics when it's all striped down Also do the cylinder head gaskets need to be glued on?
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    1972 25hp evinrude water over flow issue

    I agree with you iv got a replacement core and a replacement gasket for the old one I put in with no glue
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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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