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  1. J

    40 HP Mariner Magnum Serial Number

    I recently bought a 40 HP Mariner Magnum serial # 0D060229. Can you help me identify the year it was built? Also does anyone know of a good place to get an exploded view/parts list for this motor?
  2. J

    40 HP Mariner Magnum 4 cyl stalls under load

    I have a 40 HP Mariner Magnum that runs good in the driveway on ears. Idles good, shifts in/out of gear without issue. Motor runs in the lake water but as soon as I put it in gear in the lake it dies. Any ideas what would cause it to stall out under load? I checked for spark. Has spark on all...
  3. J

    Mariner Magnum 40 stalls under load

    I have a 1991 Mariner Magnum 40 that stalls every time I put it in gear in the lake. On the ears in the driveway it runs good, idles good (though I am not sure what RPM i am running at) and shifts in and out of gear without issue. As soon as I take it to the lake and try to shift into gear it...
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