Mercury 25xd serial number

icejedy

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Oct 24, 2016
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Good morning Gentleman
i need some information about my engine....sorry for my english but i am italian,
i found the serial number on the plate then i tried to check it on the database but it is impossible to find some information.
The serial number is 9400389 the engine is a Mercury 25xd of 1984.
COuld you help me please?
Kind regards
Lorenzo
 

flyingscott

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Where did you get that #? I can't find anything for it. Otherwise take a pic of the tag.
 

Fun Times

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The below info is just for reference if interested of how the Mercury outboards serial numbers start out as,
(U) = UNITED STATES: Starts With Serial Numbers 1, 2, 3, 4, 5, 6, 0A, 0B, etc..
(A) = AUSTRALIA: Starts with 8
(B) = BELGIUM / Europe: Starts with 9
(C) = CANADA Starts with 7
(I) = INTERNATIONAL Starts with: 0N

While it could be possible the info you have is correct about it being an 1984 25-HP-XD, The serial number doesn't seem to add up as being an XD engine model but rather a normal 25-HP engine according to the parts catalog serial number range sequence.

Your number being 9400389 suggests that it falls more within the non XD 25-HP range which is 25 - 9378116 THRU 9415100 VS 25XD - 9415101 THRU 9507380

http://www.iboats.com/MERCURY-25XD-1984-1987/dm/view_id.1701517
http://www.iboats.com/MERCURY-25-HP-2-CYL-1980-1983/dm/view_id.1701474

That mentioned, this same type of general question/info seems familiar and if I recall correctly there/it was an 1984 25-XD engine but it's not showing up in any of the usual website charts listings for an exact match....So to play it safe, you may have to use both the serial number ranges above and compare notes for the parts you need until you know for sure.

Any engine from Belgium will not be recognized by a computer data search at least here in the US.

What other type of info where you looking to get if you're sure of the engine model and year? A model number will not be possible to look up for this serial number.
 

icejedy

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Oct 24, 2016
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Thank you for your reply.
i attached the photo of my engine could you check it?
Kind regards
Lorenzo
 

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icejedy

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i suddenly send the tag
 

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flyingscott

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This serial # range may work 6443973 - 0B238463. If you have a thermostat you need the parts for design 2 blocks. If you do not have a thermostat the parts for disign 1 are what you need.
 

icejedy

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Oct 24, 2016
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The serial thay i told before is #9400389
what you said i didn't understood sorry....
 

icejedy

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This is best photo that i could take...
 

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