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  1. #1
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    2005 2.5XS For Sale no compression cylinder #5

    Wondering if there would be any interest in my 2005 Mercury Racing 2.5XS. Has 90 original hours. This motor came on my 2005 Allison XB21 Prosport and had 72 hours when I bought it last November. When I got the engine I cleaned out the fuel system best I could, had fuel and air injector cleaned and flowed, new fuel filter. But this past weekend I somehow leaned out cylinder #5. Other 5 cylinders still show good compression. Engine is not locked up and it will still idle. Guessing I burned a hole in #5 piston. Looking to sell everything minus the sportmaster for $1750 or complete with 1.87 sportmaster recently tore down inspected and resealed for $4250. Has 2017-2018 style cowl decals. I will get more pictures this afternoon. Located in Clovis, New Mexico. Happy to put it on a pallet to freight ship.
    (575)642-3008

    For those who aren’t familiar, 2.5XS is a 2.5 225hp optimax powerhead that sits on a 3.0 liter midsection and 3.0 liter lower unit. 6800 rpm and 458 pounds.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  2. #2
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    Quote Originally Posted by jorde248 View Post
    Wondering if there would be any interest in my 2005 Mercury Racing 2.5XS. Has 90 original hours. This motor came on my 2005 Allison XB21 Prosport and had 72 hours when I bought it last November. When I got the engine I cleaned out the fuel system best I could, had fuel and air injector cleaned and flowed, new fuel filter. But this past weekend I somehow leaned out cylinder #5. Other 5 cylinders still show good compression. Engine is not locked up and it will still idle. Guessing I burned a hole in #5 piston. Looking to sell everything minus the sportmaster for $1750 or complete with 1.87 sportmaster recently tore down inspected and resealed for $4250. Has 2017-2018 style cowl decals. I will get more pictures this afternoon. Located in Clovis, New Mexico. Happy to put it on a pallet to freight ship.
    (575)642-3008

    For those who arenít familiar, 2.5XS is a 2.5 225hp optimax powerhead that sits on a 3.0 liter midsection and 3.0 liter lower unit. 6800 rpm and 458 pounds.

    Interested......waiting on more pics.


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  3. #3
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    Quote Originally Posted by Liberator*21 View Post
    Interested......waiting on more pics.
    Hereís a few photos. Let me know if you want to see anything in particular.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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