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  1. #1

    Default 1985 mercury 75 hp elpt lower unit compatability?

    i recently got the boat so new to the boating community. i had for a month and the lower unit is shot.
    i called a could people the said the lower unit was discontinued. so i want to what lower units are compatible so i can get running again. here is my serial number 661441 and the link to it is https://webapps.brunswick.com/litera...a3iMa3uLax4Ke0


    i really appreciate all the help i can get thanks

  2. #2
    Fleet Admiral Faztbullet's Avatar
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    Default Re: 1985 mercury 75 hp elpt lower unit compatability?

    Any 4 cylinder of the following years and horsepowers: 1970-1986..... 800/850/80/85/75hp and the 4 cylinder 650 as they all have the 2:3:1 gear ratio...
    When in doubt,Trim it out!!!
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  3. #3

    Default Re: 1985 mercury 75 hp elpt lower unit compatability?

    Quote Originally Posted by Faztbullet View Post
    Any 4 cylinder of the following years and horsepowers: 1970-1986..... 800/850/80/85/75hp and the 4 cylinder 650 as they all have the 2:3:1 gear ratio...
    thank you so much

  4. #4

    Default Re: 1985 mercury 75 hp elpt lower unit compatability?

    Quote Originally Posted by Faztbullet View Post
    Any 4 cylinder of the following years and horsepowers: 1970-1986..... 800/850/80/85/75hp and the 4 cylinder 650 as they all have the 2:3:1 gear ratio...
    i have found a lower unit this serial number 6393822 do you believe its compatible?

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