Lower Units ID

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  • Buccaneer

    US Member - 1 Year (includes $3 online payment fee)
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    #208523

    I’m going to pick up these two lower units tomorrow that I got cheap
    on an online auction, in hopes I can make use of the 1950’s Evinrude
    lower unit shown. What would the other lower unit be from? Most
    likely from something newer than I have.
    Thanks.

    Lower-Units1

    Lower-Units2

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    fleetwin

    US Member - 2 Years
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    #208530

    Looks like an early 60s V4 manual shift….


    frankr

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    #208533

    Probably a 75hp V4


    Buccaneer

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    #208540

    Thanks guys. Looks like I’ll have a little trading stock with the V4 LU,
    but hopefully I can use the older Evinrude LU.

    Prepare to be boarded!


    Buccaneer

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    #208631

    I got the two lower units home today. With these photos can the V4 LU
    be ID closer to year and what HP motors it fits?
    I did not notice any numbers on it yet.

    The 50’s Evinrude LU pictured prior looks like it would bolt up
    to one of my 1957 Big Twins. Would there be any “gotch yah’s”
    if it’s an earlier model LU, such as drive shaft, gear ratio, etc?

    Thanks!

    DSCN9352

    DSCN9353

    DSCN9354

    DSCN9355

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    fleetwin

    US Member - 2 Years
    Replies: 4737
    Topics: 46
    #208640

    I’m “guessing” from the color to the shape of the gearcase that you have a 1960 Evinrude 75hp, it appears to be a short shaft (15″). There should be an ID plate on one of the transom brackets that will tell you exactly…

    And, I don’t think that other gearcase is for your fastwin…That gearcase appears to be for one of the larger 25-40hp engines… Hopefully some other eyes will confirm or deny this…Post some more pictures of it….

    • This reply was modified 3 years, 8 months ago by fleetwin. Reason: addition

    Buccaneer

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    #208646

    Thanks Fleetwin and others. I will look again on the V4 transom clamp, but did
    nut see an ID plate when I looked today.

    I said “Big Twin”, not Fastwin, regarding the 50’s LU.

    Auction-lower-unit1

    Auction-Lower-Unit2

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    frankr

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    #208654

    The style of tilt lock release and transom mounting brackets were used 1960-1968. The motor had a hot-water choke which limits it to 1960-63, but of course could be used on 1964-68 by removing the water fitting.

    If you want to narrow it down any more, 1960 had a two-piece drive shaft.

    Bottom line is the general design was used 1960-68


    outboardnut

    US Member - 1 Year (includes $3 online payment fee)
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    #208657

    Somebody please correct me if I am wrong
    I’m thinking since the prop shaft is threaded- it a 1956 and under
    I’m thinking since it takes a long bolt in the rear-its a 1955 and above
    So its a 1955 or 1956
    I’m also thinking that inside it has a short pinion gear
    I believe 1957 was the first year of the longer pinion gear
    Just my opinion


    Buccaneer

    US Member - 1 Year (includes $3 online payment fee)
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    #208668

    Thanks again for the replies. Going on your tips, I’ll do some more investigating
    before I try to sell, swap, or trade it for other outboard parts or groceries!

    Prepare to be boarded!

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