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  1. #1
    Member Radeleur's Avatar
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    1988 Mariner 200

    Serial #: 0B348072

    Just picked up and 88 Pantera 2 with an 88 Mariner 200 and will have many questions. Placing as a place holder for the pics and questions related to this 88 Mariner 200.

    1. What size bolt do I need for the torque tab? I purchased the torque tab, but no bolt was included.

    2. How do I get the cover over the bolt (that is missing) off so I can install the torque tab?
    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #2
    Anode Plate (or Trim Tab) securing bolt is Part# 66024 (.437-14 x 1.75" long).

    The cover should simply be a plug... usually pops right out with a small screwdriver.


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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  3. Member Radeleur's Avatar
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    #3
    OK, So went to start it last night. I get 2 beeps at KOEO (Key On Engine Off). Then I cranked the motor and it started but has a fast continuous beep with KOER (Key On Engine Running) even after shutting off the motor by the key or pulling the kill switch the fast beeps will continue. I'm trying to upload the video now (internet provider not being friendly). Previous owner says he pre-mixes.

    From what I have been able to read, and my lord there's a lot, it is suggesting a oil issue. The motor does have the mounted oil tank, but the blue wire from the cap has been disconnected. The oil pump is still attached. The external oil tank has been removed. the oil lines in the bilge have been blocked off. There is a nipple on the Starboard side (I believe is for the crankcase ventilation to pressurize the external oil tank) is still present but is not blocked off at all. Additionally, there is a hose that comes down from the tank that has a plug in it.

    The water/Fuel separator/filter is bulged and obviously has something in the filter on the Mariner 200. Can I use the one from my Blackmax 200 or should I buy a new one?

    I am unsure how to proceed with any further testing because I can't find any instructions on where things are and what they look like. Please advise. Thanks for your help.

    Curiosity, can I use the same Oil Injection delete that has been done to my Mercury Blackmax 200 #0B116913 on the Mariner 200 #0B348072? Are the controls the same/interchangeable? Asking mostly because the Blackmax ran without any beep codes and pee'd from the tell tale as soon as the motor started. The mariner obviously has beep code issue and doesn't pee from the tell tale as soon as started.

    NOTE: The well lit pics are outside and that's the Mariner 200 and the dimmer lit pics are in my garage and are of the Blackmax 200. All pics taken a few minutes before this posting.
    NOTE 2: Originally I was hoping to get the oil injection working again since so much of it is still there and I also spend more time fishing than running at WOT (which I don't do anyway).
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    Last edited by Radeleur; 05-05-2021 at 02:31 PM. Reason: Added a 2nd Note
    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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  4. Member Radeleur's Avatar
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    #4
    KOER of the Mariner with the alarm

    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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  5. Member
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    #5
    oil inject can be disconnected the same , if iws you id get that glass filter off that mtr (not a water seperator) +possible thermal problem, first thing id do is find out if oil pump drive gear on crank is turning oil pump then see if its firing on all 6 cyls fpr some reason in that vid it just didnt sound right , QUESTION did you lake test this boat before you paid for it ?????? howd it run????? that idle timming looks like its running 25 degrees advanced, and that mtr that pees instantly WRONG > thermostat controlled shouldnt do that
    .................................................. ...the scariest thing in life is the unknown ...................................

  6. Member Radeleur's Avatar
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    #6
    Quote Originally Posted by JOE54 View Post
    oil inject can be disconnected the same , if iws you id get that glass filter off that mtr (not a water seperator) +possible thermal problem, first thing id do is find out if oil pump drive gear on crank is turning oil pump then see if its firing on all 6 cyls fpr some reason in that vid it just didnt sound right , QUESTION did you lake test this boat before you paid for it ?????? howd it run????? that idle timming looks like its running 25 degrees advanced, and that mtr that pees instantly WRONG > thermostat controlled shouldnt do that
    OK. I replaced the filter with a Mercury one #35-879885K. As you can see from the one pic, the filter was definitely needing replaced. I think the fuel is old in the tank as well. It did run better after the filter replacement, but was rough, though not consistently rough. Occasionally the RPMs would increase or decrease and would smooth right out sometimes too. I am going to pull the plugs (NGK Bu8H) today and check them as well as purchase new ones since I am burning that fuel in the tanks.

    If the Tach gauge is functional and accurate, it showed between 1000 and 1200 at idle. I am going to attempt to adjust it today and check it again.

    Additionally, I misspoke/remembered incorrectly. The other engine (1986 Merc 200 Blackmax) didn't pee instantly, it took a few. I found an old video that confirmed.

    Sadly, no I was unable to take it out. I had a neck/spine surgery on Veterans day, was still in a rigid neck brace, just started physical therapy the day before and have not been cleared to get on the water yet (or technically anything else, but I am going stir crazy sitting in the house LOL). However, I do know that he took it out that day for one last time and covered a bunch of water, which I verified by the trail/trip log on the graph (with correct date and time). and the week prior he was down fishing it at lake fork as well, again verified by trip log. Added a pic showing tach at KOEO (Key Off Engine Off)
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    Last edited by Radeleur; 05-07-2021 at 10:28 AM. Reason: Added a pic showing tach at KOEO (Key Off Engine Off)
    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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  7. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #7
    816296Q2 would be the correct filter for this application (for future reference). 879885K is for fuel-injected models (primarily 4-strokes)... and doesn't have the barb to help retain the fuel line on the filter.


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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  8. Member Radeleur's Avatar
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    #8
    Quote Originally Posted by EuropeanAM View Post
    816296Q2 would be the correct filter for this application (for future reference). 879885K is for fuel-injected models (primarily 4-strokes)... and doesn't have the barb to help retain the fuel line on the filter.
    Will it still be okay for the time being? I used Zip ties. As I said I do beleive the gas is bad and was planning on having to replace it much sooner anyway. Just want to get the gas ran out.
    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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  9. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #9
    As long as you used Radius-Head Tie-Wraps (which differ from traditional "zip ties" due to their rounded or radiused head), it's probably ok for now.

    As stated, it simply does not have the barb that would make it difficult for the filter to exit the line (creating a fuel leak).


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

  10. Member Radeleur's Avatar
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    #10
    OK so more questions.

    I believe I may have an issue and am wondering how bad it will be. I took some pics of the cylinder head (Which still has the sticker on the side of the head and all bolts are still Mariner silver) and the cylinders 2,4 and 6. I will put the cylinder head in this post and the next 3 posts will be cylinders 2,4 and finally 6.
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    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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  11. Member Radeleur's Avatar
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    #11
    Cylinder #2
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    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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  12. Member Radeleur's Avatar
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    #12
    Cylinder #4
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    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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  13. Member Radeleur's Avatar
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    #13
    Cylinder #6
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    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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    #14
    #6 has pisst on scorring / cyl damage will require sleeve installation
    .................................................. ...the scariest thing in life is the unknown ...................................

  15. Member Radeleur's Avatar
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    #15
    Quote Originally Posted by JOE54 View Post
    #6 has pisst on scorring / cyl damage will require sleeve installation
    Would these be the right sleeves?

    https://advancedsleeve.com/advanced-...marine-engine/
    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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    #16
    sure would be , block machining will be needed
    .................................................. ...the scariest thing in life is the unknown ...................................

  17. Member Radeleur's Avatar
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    #17
    Quote Originally Posted by JOE54 View Post
    sure would be , block machining will be needed
    That's cool, I mean still a bummer, but cool that we can still have them re-sleeved Chrome Bore

    What do you think it would cost to have one resleeved? and Machine work done
    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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    #18
    depends on shop rates call HYDROTECH
    .................................................. ...the scariest thing in life is the unknown ...................................

  19. Member Radeleur's Avatar
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    #19
    Well, quick update. It looks like #6 wasn't the problem at all. I was borrowing the 1 piece heads to put on my 86 and when I pulled the starboard head I found the problem. It appears it lost the pin on the #3 cylinder and it got beat between piston head and cylinder head. Also, possibly overheated the main rod cap.

    So, the Mariner is down for the moment. I did a quick deburr on the cylinder head and it is functional on my 86 without problems.

    3and4RodCaps.jpg243348190_324765336113856_3515213702190133462_n.jpg242477476_816067879074337_5041586959868378290_n.jpg
    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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  20. Member Radeleur's Avatar
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    #20
    Well, at least a piston, connecting rod and bearings, and a resleeve are in order. Also, looks like the crank will need to be replaced as well.

    Not sure what went sideways as the compression was 117.
    1988 Basscat Pantera 2 / 1988 Mariner 200 #0B348072 / 1986 Mercury Blackmax 200 #0B116913
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