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Author Topic: Transom and long shank outboard  (Read 1241 times)

Barbelface

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Transom and long shank outboard
« on: September 06, 2020, 02:55:51 PM »

The transom on my Jon boat is about 17”. The shaft length on my 4hp Yamaha is 22”. This means the cavatation plate will sit about 5-6” under the water. I’ve read that it should be level or 1” below for most situations. As this is a very low hp kicker type outboard should I be worried, and if so what issues can occur running too low (other than shallow water 😀)

Very new to  boating and lots to learn..
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firstlight

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Re: Transom and long shank outboard
« Reply #1 on: September 06, 2020, 05:32:00 PM »

Cavitation plate should be even with your keel if i remember correct.
Your transom will either be 15 or 20 inch.
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firstlight

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Re: Transom and long shank outboard
« Reply #2 on: September 06, 2020, 05:33:26 PM »

Cavitation plate should be even with your keel if i remember correct.
Your transom will either be 15 or 20 inch.
Shouldnt really be a big deal with a 4 hp.
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