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  1. M

    Trim O-rings

    Is there anywhere I can get O-rings for the trim system with out paying mercury's inflated prices S/N 0B143346 Thanks Mark
  2. M

    Gel coat damage on transom

    yeah the transom is solid and dry I even sealed from the inside and pulled a vacuum for days on each hole just to see if I could pull any moisture out and got nothing. now the boat spent its life in the water at a dock so I'm sure some moisture got in but the holes was dry....
  3. M

    Gel coat damage on transom

    Every thing I have read says no silicone ... use 3m 4200 I thought I was doing the right thing 🤦‍♂️🤦‍♂️
  4. M

    Gel coat damage on transom

    Ok I will get my son to send me a picture
  5. M

    Gel coat damage on transom

    So I pull my 200hp motor off to replace the mounts and trim pump on a 91 wellcraft boat I just purchased I reinstalled the motor on sunday ( using 3m 4200 ) just to find out that the trim wont go alway down so I had to remove motor again to remove the trim assembly but I only removed 1 of the...
  6. M

    200 hp trim problems

    I have a 98 200hp that I bought with no trim motor on the pump I bought a new trim motor and pump assembly and the trim goes up and down but when it gets to the trim rods it acts like it's all way down down and sounds like its under alot of pressure... not sure what to check. Here is a video...
  7. M

    Sierra Upper mounts

    So I received the second mount today and it is a composite/plastic mount also so Im guessing that is the way its supposed to be...
  8. M

    Sierra Upper mounts

    Yes I had to order from 2 different sellers as well the 1 I got yesterday was solid plastic so i reached out to the other seller and he said the 1 he shipped me is solid rubber I'm worried that the plastic 1 will cause a vibration in the transom which will effect my image on my side scan which...
  9. M

    Sierra Upper mounts

    Ok so I ordered new Sierra mounts from ebay ... (that's the only place I could find them) got one of them in today and it was not rubber it looks to be some kind of plastic that was made with a lathe did I get sold a knock off ?
  10. M

    Crank end cap seals

    Also the manual doesn't mention any kind of sealant for the adapter plate gasket and the power head gasket do you guys think that it would be foolish to reassemble without sealant? I was thinking Permatex aviation sealant sense it is required to be applied around the upper mounts any thoughts ?
  11. M

    Crank end cap seals

    Ok just wanted to check... before reassembling
  12. M

    Crank end cap seals

    I just replaced the end cap seals on my 98 200hp ( figured it was a good time since I had the power head off for motor mount replacment) My ? is How can I check the new seal for proper sealing... before I put it back together ..
  13. M

    Another Model year and HP thread

    can anyone tell me what service manual I need for this engine
  14. M

    Sierra Upper mounts

    Great I wanted to be sure they where rubber because I really didn't want a solid mount due to vibration
  15. M

    Sierra Upper mounts

    Does Anyone have experience with the Sierra Upper mounts part number 18-2144 ? are these rubber mounts or solid .... Thanks in advance Mark
  16. M

    Not Permitted

    Rule # 8.
  17. M

    Another Model year and HP thread

    mine has the trim pump on the transom bracket this looks as if it is located in the boat
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