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  1. #1
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    1990 johnson 200 inner exhaust housing replacement/breakage

    2 part question..
    1- the inner exhaust housing on my 1990 johnson 200 gt developed a "hole" in the upper part , about the size of a quarter/half dollar. dont know why but all the pieces were sitting on the water pump. im thinking this may be why my power was down???? anyone seen this before?
    2-looking for a replacement. the "exact" housing per omc is different than say a later one from a 92+.........the 92+ ar eway more common and much cheaper. anyone know if they will swap? any benefit to a newer one? they run different part #s so there somne difference?

  2. #2
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    Any damage to the powerhead? sounds like high exhaust temp to me?

  3. #3
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    no damage that i can see...engine was running ok..compression still even...

  4. #4
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    what did the pump look like

  5. #5
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    for a 20inch motor 1990 part # 0338598 / 1993 is 0338597 one number off so they changed something and the cast is like 100.00 more but not availabla new?

  6. #6
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    yes, i fgound them new still.. the $100 is the real question.. if i dont have to dump 100 for the same part??????????? pump started to melt, or at least the upper housing. last time out water pressure was 30+psi at wide open

  7. #7
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    were the pieces on the pump melted alum?

  8. #8
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    On ebay the 93-05 is dirt cheap only one for a 88-92 is 200.00 just get yours welded back up for squat .jmo

  9. #9
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    [No. More like chunks,bits,pieces. No signs of melt


    QUOTE=racervboat;3011206]On ebay the 93-05 is dirt cheap only one for a 88-92 is 200.00 just get yours welded back up for squat .jmo[/QUOTE]

  10. #10
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    I don't care to wrld,rather get new. Dusky has it new for 130...90...was thikng maybe 93 +better?????power????

  11. #11
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    looks like it won't fit ? diff part #s don't know for sure the diff.

  12. #12
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    Don't know if it will fit. Don't wanna break it down, buy a part and find out hard at it don't fit. I'll just get the new one from dusky. I'm more concern wht i got a hole


    Quote Originally Posted by racervboat View Post
    looks like it won't fit ? diff part #s don't know for sure the diff.

  13. #13
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    Exactly what im saying why is there a hole in it?

  14. #14
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    I don't know. Kinda reason 4 the post. I. Not an engine guru

  15. #15
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    Can you show a picture or is it still together?

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