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Thread: No serial# on sst120 powerhead?

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    Team Member NordicViking's Avatar
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    Question No serial# on sst120 powerhead?

    I have a SST120 powerhead that I cannot find any serial# on...

    Have been asked to locate the "welsh plug" and send numbers on this to Mercury to get build specs, but I cannot locate this plug eigther

    I know where the serial# should be but there are only a large "175" engraving as seen on the pic:
    Name:  20171008_131350.jpg
Views: 281
Size:  103.9 KB

    In the buttom of same side of the block, these numbers are shown:
    Name:  20171008_131408.jpg
Views: 284
Size:  89.7 KB

    No numbers on top:
    Name:  20171008_131341.jpg
Views: 280
Size:  139.9 KB


    Any assistance is highly appreciated!

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    Quote Originally Posted by NordicViking View Post
    I have a SST120 powerhead that I cannot find any serial# on...

    Have been asked to locate the "welsh plug" and send numbers on this to Mercury to get build specs, but I cannot locate this plug eigther

    I know where the serial# should be but there are only a large "175" engraving as seen on the pic:
    Name:  20171008_131350.jpg
Views: 281
Size:  103.9 KB

    In the buttom of same side of the block, these numbers are shown:
    Name:  20171008_131408.jpg
Views: 284
Size:  89.7 KB

    No numbers on top:
    Name:  20171008_131341.jpg
Views: 280
Size:  139.9 KB


    Any assistance is highly appreciated!

    The 7 18 03 is the date the engine was made. The S/n is 037625
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    Team Member NordicViking's Avatar
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    Hi Mike,

    Thank you very much for your reply!

    I also assumed this at first but I get no hits when searching for parts on this S/N but I might put it wrong?

    Have tried to ad "0D" so 0D037625 but this turns up as a Merc/Mariner 4 cyl 100/115hp...

    Thanks,
    Lars

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    Quote Originally Posted by NordicViking View Post
    Hi Mike,

    Thank you very much for your reply!

    I also assumed this at first but I get no hits when searching for parts on this S/N but I might put it wrong?

    Have tried to ad "0D" so 0D037625 but this turns up as a Merc/Mariner 4 cyl 100/115hp...

    Thanks,
    Lars
    No OD, Merc racing did not use letters when they issued S/n that I know of. The Mercury Racing outboards were never followed very good in the EPC. You can only look up parts by model, it's not very good. Most race engines were not registered cause there was no warranty. So tracking is tuff. There are many engines with no s/n. They do have block date code though. This means it is a replacement block.
    Mike
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    Team Member NordicViking's Avatar
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    Quote Originally Posted by Mike Wienandt View Post
    No OD, Merc racing did not use letters when they issued S/n that I know of. The Mercury Racing outboards were never followed very good in the EPC. You can only look up parts by model, it's not very good. Most race engines were not registered cause there was no warranty. So tracking is tuff. There are many engines with no s/n. They do have block date code though. This means it is a replacement block.
    Mike

    Again thank you very much for the information!
    This clears everything up for me
    Thanks,
    Lars

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