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  1. #1

    Default Which lower units fit my motor

    I recently bought a boat. It is powered by a 1990 Mercury 115 with a pump. I want to swap the pump for a prop. Which lower units will fit my motor?

  2. #2
    Join Date
    Nov 2011
    Location
    tennessee
    Posts
    2,619

    Default Re: Which lower units fit my motor

    If the year posted is correct you need a 1988 up 4 cylinder 2.07:1 lower unit. This includes 100/115/125hp motors.
    Pappys Sales and Service
    Owner and Factory Certified Technician
    Former racer KDBA (Kentucky Drag Boat Association)

  3. #3

    Default Re: Which lower units fit my motor

    is there a specific part number to look for? "1988 up" how far is up? '99? I'm assuming I'd need to stay with a 2 stroke vintage?

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