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  1. X

    2000 mercury 200hp efi timing off please help

    I have the online manual and the old flywheel splines were completely gone but some how the crankshaft splines were perfectly in tacked no broken or missing splines
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    2000 mercury 200hp efi timing off please help

    Hey guys I just bought this boat for my mom for her birthday and I’m still having a issue that’s really stumped me I’ve tried everything I know to and read the manual but I am new to outboards so if anyone could help me out i would be extremely appreciative so here’s the story the motor ran...
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    2000 Mercury 200efi random no spark

    Hey guys I just recently bought this new boat with a Mercury 200efi on it and I’ve test driven it over 18 miles no problems at all but then I go to take it out again and it starts and gets off the trailer but when I docked it and tried to start again nothing it would just sit there and crank so...
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    Merc 470 modifying water pump seal problem

    Thank you yeah mine looks about the same so don’t know where I’m going wrong
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    Merc 470 modifying water pump seal problem

    If you mean the impeller on the outdrive then yes and yes Ive completely removed and inspected it seemed to be newer definitely wasn’t stock The brand w As just a reg mercruiser oem gasket Yes I brought it to a shop and had them take care of it as well as pressure testing the head No I...
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    Merc 470 modifying water pump seal problem

    I was thinking maybe I installed the Speedo sleeve in wrong but I can’t see how I could’ve done that could you give me a quick run down of the installation for I can be sure everything correct
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    Merc 470 modifying water pump seal problem

    Alright let give y’all a complete rundown since I’ve had it I bought it with the head off because of a blown head gasket bought the first head gasket which was Sierra still had a leak so then found out it was the seals cause it was dripping out the weep whole and adding to the oil pan so I...
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    Merc 470 modifying water pump seal problem

    Yeah I appreciate it I’ll double check everything again today I guess and let y’all know what I find
  9. X

    Merc 470 modifying water pump seal problem

    That was my first repair and did it twice to make sure
  10. X

    Merc 470 modifying water pump seal problem

    I’ve already gone through the normal routes and replaced the seals and sleeve about 5 times now and the motor isn’t bad or anything it runs strong but always ends up with some heating problem that’s the whole reason I’m looking for alternatives I know the 470 doesn’t haven’t a good history but I...
  11. X

    Merc 470 modifying water pump seal problem

    Hey guys I was wondering if anyone had some idea or could pony out some problems I might run into if I plan to add a external water pump and delete the one on the engine to prevent that common water pump oil seal leak
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    Mercruiser 470 Water Pump Seal Leak

    Does anyone know how you might go about completely bypassing the water pump seal issue or more accurately what problems you would face like if you were to add a external pump for the coolant wouldn’t have to go in the water pump/gear case cover
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    4.3 omc cobra no start

    Preciate I’ll try that
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    4.3 omc cobra no start

    Hey guys this isn’t about the same boat but was just curious if any of you knew if it was possible to convert an engine that takes coolant and freshwater to cool it down to just fresh water if your wondering the engine is a 470 merc I’d be interested to know if anyone’s ever tried that or knows...
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    4.3 omc cobra no start

    It turned out to just be the water pump luckily, now she’s up and running great can’t believe how much different this boat is now thanks to all of y’all’s help
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    4.3 omc cobra no start

    Thank you both a lot that’s exactly what I was looking for and more ill try y’all’s advice tomorrow and let ya know how it goes
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    4.3 omc cobra no start

    Can someone please explain how the omc out drive work for cooling like i know the water from the bottom comes to the top where the water pump is but where does it go after that and where would the hot water spit out also does it need to have the gear case water pump cover on for it to run cause...
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    4.3 omc cobra no start

    Alright so it was actually a few things first off I did a starter replacement but it only had a 3 terminal solenoid you need a 4 terminal solenoid for this system for batt,starter,coil and the constant coil wire that kicks on after the initial start to keep it running then it was my points...
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    4.3 omc cobra no start

    Thanks to everyone’s help snd advise I finally got it running now I just have to find a wiring diagram for some of the electronics and should be all good to go just want to thank y’all again definitely would’ve been stumped for a Whole if not for all the advice
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    4.3 omc cobra no start

    Thank you I’m very greatfull to get to learn from you all
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