Chrysler Sailors Forum

More motor shopping questions:

Does anyone have a four stroke that is small enough to tilt into the transom cut-out?

How have you modified your transom cut-out/motor mount for four stroke use?

I have a Mercury Bigfoot 9.9 hp w/power tilt and will have to enlarge the stern opening for the power head to tilt into. That being said; I don't see any problems with enlarging the opening (very thick fiberglas). I had to reinforce the exsisting mount to hold the extra weight of the motor and tilt unit. My plan is once the opening is enlarged, is, to reinforce the opening with Stainless steel angle running around the inside of the opening and connecting it to the existing reinforced mount with a strap running from the top of the opening to the outer corners (both left and right sides) at the top of the mount creating a triangle (this will give more strength to the mount). To trim the opening I'm going to use wood or starboard shaped to the approrate style bolted through the hull mat'l into the stainless brackets.

I have a 78 C26, with a 2009 yamaha 9.9 high thrust , I rebuilt the mount and extended it out 8'' . have not got it back on yet, to see if it will at least let me get the lower unit out of the water

Dave,

Have you taken any pictures of your motor mount modifications yet?

It would really be interesting to see you idea.

Randall

I have a few, new to posting pic. so here is my first try

Dave



http://i866.photobucket.com/albums/ab22 ... G00249.jpg


http://i866.photobucket.com/albums/ab22 ... G00252.jpg
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I am looking at a Chrysler 9.9 but no elect. start so my 3 alternatives are
1) Mount an outboard bracket which will raise and move out so it can tilt
2) Rebuild the mount on the back of the hull
3) get an engine like a old 9.9 2 stroke 70's vintage Johnson or Evinrude which has a low profile cowl but as old as they would be they might not be dependable and most were short shaft. also if you had power head problems
you would be right back here with option 1 or 2. I think short term to go with option 1 and reinforce hull mount and find and modify a used mount
or make one from scratch to fit but I don't want to miss sailing weather.

Dave,
Interesting mod. I was focused on enlarging the hole in the transom but putting the motor farther back might have the same net effect while being a bit easier. Thanks for the idea.

Tom I am cautious on enlarging the hole as you would lose the support on the top of the opening and might lose some structural strength.

cutting the transom might weaken it , but you can renforce it with new material. I am thinking of using trex decking 2x6 , its a plastic type stuff
with wood fibers water prof and some what flexible

Dave

Here is a pic of the motor mount mod that was done by a previous owner. It is pretty stout, and the motor foot comes up out of the water.