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Thread: New outboards don't fit old style boats fyi

  1. #1
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    Default New outboards don't fit old style boats fyi


    i DID GET A NEW TOHATSU 9.8 HP MOTOR BUT NO ONE TOLD ME THAT IN JAPAN THEY MAKE THEM LONGER THEN IN THE U.S. SO AFTER MUCH TRIAL AND ERROR I DECIDED TO RAISE MY TRANSMOM AS HIGH AS IT WOULD ALLOW ME AND I BOLTED IT TO THE TRANSOM AFTER CUTTING THE MATERIAL TO FIT. HOPE THIS WORKS OR MAYBE I'LL JUST THROW IT IN THE DRINK. OR SELL IT TO WHO EVER

  2. #2
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    Did they give you a long shaft (20inch) instead of the normal (15inch) shaft, the 20inch is for large/deeper boats with taller transoms but you probably know this. My Nissan made by Tohatsu is a few years old but normal size,still runs great.
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  3. #3
    Barnacle Bill's Avatar
    Barnacle Bill is offline Super Mod and 2014 Crappie.com Man of the Year * Crappie.com Supporter
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    9.8 Tohatu motors come in 3 different shaft lengths. 15, 20 and 25 inch.
    Fair Winds and Following Seas

    Bill H. PTC USN Ret
    Chesapeake, Va


  4. #4
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    As already said, you probably bought the wrong shaft length.
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  5. #5
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    nope, gave all the measuements to them and they said that the shaft length is correct. just not made for mid 1970's boat. so I leveled the boat and raise the motor 1 1/8 inches so that the AV is now 1/4 inch below the bottom;of the boat?? if this gives me the comfort I'm looking for I'l do a permament fix. got no help from dealer in Cooksville tenn or the local warranty shop 25 miles from me. every body just pass'es the buck. What a Pro?? A big JOKE

  6. #6
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    What length shaft is your outboard?

  7. #7
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    i have jack all mine up for many years. i dont run new motors either. usually they are 3/4" or so to low for my liking.

  8. #8
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    15 inch outboard, transom height is 15 1/2 inches . should work but doesn't. the new motor is almost 2 inches longer ??

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