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  Shaft Length - 13 Sport Re-power

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Author Topic:   Shaft Length - 13 Sport Re-power
nukeboot posted 01-20-2002 08:19 AM ET (US)   Profile for nukeboot  
Hi. I'm re-powering a 1966 13 Sport and have a line on a great deal on a Yamaha 40. The shaft length is 20". With a transom height of 17" that seems too long. Any thoughts?

jimh posted 01-20-2002 08:48 AM ET (US)     Profile for jimh  Send Email to jimh     
There are two paths to solving the problem of mounting 20-inch shaft motors on older Whalers with 15-inch transoms:

1. Undertake the rework of the transom. Fabricate a new transom and laminate in place. Re-do gel coat and finish.

2. Purchase a small "jack plate" which is designed to mount 20-inch shaft motors on 15-inch transoms.

galaxygirl posted 01-20-2002 03:01 PM ET (US)     Profile for galaxygirl  Send Email to galaxygirl     
I'm in the same situation. I don't think I want to rebuild the transom and wonder what brands of jackplate people have had good success with in this application.

Thanks!

buster1389 posted 01-21-2002 10:36 AM ET (US)     Profile for buster1389  Send Email to buster1389     
The t&h minijacker works great, but it is rated for 35 hp.
beby138 posted 01-22-2002 06:56 AM ET (US)     Profile for beby138  Send Email to beby138     
Option 3- Make your on, mine cost me no more than $40.00 bucks.
MikeMiami
JBCornwell posted 01-22-2002 08:58 AM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
Howdy, Nukeboot. I have a T&H fixed jackplate on my Montauk with a Suzi DF70 on it. $89. Works fine, and the setback is only 4".

Red sky at night.. .
JB :)

JFM posted 01-22-2002 02:28 PM ET (US)     Profile for JFM  Send Email to JFM     
Nukeboot, you can also build up your transom with wood. I have done this with a 1972 sport. I used a piece of 1" by 5" teak tapered on both sides. I mounted the wood to the inside side of the transom, set in 5200. In the center inside of the transom I used a 1" by 1" piece set in 5200 and screwed into the top of the transom and then screwed the back of the 1" by 5" to it. There is a bit of overlap in the center but you don't notice it because of the 1" by 1". Regards, Jay
JFM posted 01-22-2002 03:42 PM ET (US)     Profile for JFM  Send Email to JFM     
Sorry, I forgot to mention that I also cut a piece of polyetheline board (Whaler Board) 1/4 thick. I used it as a gasket to tap for new motor mounting and also for strength on the outside of the transom. Regards, Jay

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