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Need help with Serial/Year/Model on two Mariner 25 outboards.

tyob1

New member
I've searched but get some conflicting info on specific year/model:

Mariner 25 Long Shaft Serial: A148013 -- is this a 1985 ML? (Has serial # and M on freeze plug)

Mariner 25 Short Shaft Serial: 0B149781 -- is this a 1986 M? (Has serial # and M on freeze plug)

Repair manuals for these outboards?
 
0A148013 comes up as an 1985 MARINER 25 EL, Model Number 7025525, http://www.marineengine.com/parts/mercury_marine_parts/sn/0A148013

0B149781 comes up as an 1987 MARINER 25 M, Model Number 7025207, http://www.marineengine.com/parts/mercury_marine_parts/sn/0B149781

^Both engines share the same parts manual guide, 18/20/25 H.P. (XD) (Part # 90-13286)^

Service Manual part number for both is 90-43509--3 which covers the 18/18XD/20/25/25XD - 25 Marathon/25 Sea Pro
S-N Ranges (U) 6416713 thru 0G044026 (B) 9390291 thru 09807908 (C) 7207858 and Above **

https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=90-43509--3&_sacat=0
http://www.marineengine.com/newparts/part_search.php?part_num=90-43509--3

The M on the disk should stand for the engine manufacturers first initial name.
 
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