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This is a complete engine rebuild kit for a 1991 to 2005 Mercury Marine or Mariner 2.5 Liter Carb & EFI V6 2-stroke outboard powerhead.


Includes our recommended pistons (but preferences are also available), rings, bearings, and gaskets as pictured.



1) standard bore, 2) .015 overbore or, 3) .030 overbore

1) gasket heads (generally 1991-1999 models), or 2) o-ring heads (most 2000-2005 models)


Please contact Mike Hill with any questions or options not shown.

Mercury 2.5 Liter Carb & EFI Rebuild Kit

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