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PeteS

Raising the transom height?

7 posts in this topic

I have a Jon boat I use for duck hunting with a long shaft 15 horse. Was wondering if anyone knows of a simple way to raise the transom to get the motor up to normal operating height. It should be raised up about 6 to 8 inches.

Thanks for any suggestions,

Pete

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Short shaft is 15", long shaft is 20", you should raise your transom just 5"

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Thats really going to depend on how your transom is built.

You should be making up the difference of a long shaft which is 5". You shouldn't add 5" either, you should be replacing the entire section of wood with a laminated beam. Before we go any farther, if your transom has the drop then it might be doable, if its straight across then I wouldn't attempt raising the transom and would use the proper length shafted outboard. You'll have to replace the aluminum cap over the old transom with a straight cap and that cap will need to be tied into the corners. You might also have to fabricate a new(longer)transom brace. A couple pictures of your transom would help here.

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I believe you can get a "mini" jack plate to raise it. The plate will mount to your existing transom and then the motor will mount to the plate. Do a google search on mini jack plate.

They are around $100

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PeteS, Would there be a chance that your long shaft is actually a short with an extention on it??? Maybe you could take the extention housing and the shaft extender out and make your motor a shortie.

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Thanks for all the great help. The transom goes straight across and the motor is a true long shaft... no extension.

I'm looking into the jack plate idea. I just hope it will lift the motor high enough. The transom height on this boat is low. I think a short shaft motor would be too frown.gif long.

Thanks,

Pete

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lol, you might need a butt seat to steer the tiller wink.gif

I'm not sure how safe it would be to use a long shaft in your situation.

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