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  20 in. shaft on a 13 footer

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Author Topic:   20 in. shaft on a 13 footer
colin posted 07-02-2002 10:37 PM ET (US)   Profile for colin   Send Email to colin  
whats the big deal if a 13;6 1968 has a 20 in. yamaha on it ? i just picked one up and i hope it is not a big deal -any thoughts ? thanks
Clark Roberts posted 07-03-2002 08:20 AM ET (US)     Profile for Clark Roberts  Send Email to Clark Roberts     
It's no big deal but extra drag from lower unit sticking down (an extra 5" approx) will cut performance and handling, use extra fuel and increase draft! Happy Whalin'... Clark... Spruce Creek Navy
TF3 posted 07-03-2002 08:48 AM ET (US)     Profile for TF3  Send Email to TF3     
Don't do it! I did it, 25" on a 20" transome, this year on my Montauk. They put a jack plate to compensate for the extra 5" and it's been a big problem....trust me! You can't run with an extra 5" in the water, kinda defeats the purpose of a small boat.
TF3 posted 07-03-2002 08:48 AM ET (US)     Profile for TF3  Send Email to TF3     
Don't do it! I did it, 25" on a 20" transome, this year on my Montauk. They put a jack plate to compensate for the extra 5" and it's been a big problem....trust me! You can't run with an extra 5" in the water, kinda defeats the purpose of a small boat.
JFM posted 07-05-2002 10:32 AM ET (US)     Profile for JFM  Send Email to JFM     
I have had 2 13's with 15" transoms and 20" motors and they work fine. The transom can be raised with simply a wood block to a jack plate. Just use the bottom holes and you'll be fine. Regards, Jay

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