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Author Topic:   Suzuki Motor Installation for Montauk
Such posted 10-12-2001 06:03 PM ET (US)   Profile for Such   Send Email to Such  
I am close to settling a deal on a 70hp 4 Stroke. The problem is that the 2001 does not have hidden bolts (proper term?). A change form the 2000 model. To install the engine they must cut a 6" hole, which will have a removable cover, in the transom above the sump hole to gain access to the bolts. I am concerned about such an alteration to the boat but this engine is perfect for my needs. They are a reputable yard and have done similiar installs, so I have no concern about their abilities. I am also afraid at what they might find once they cut it open, the boat is a 1984. What's the downside, if I do it? I appreciate your comments.
gvisko posted 10-12-2001 06:57 PM ET (US)     Profile for gvisko  Send Email to gvisko     
i have 2001 70 4s on my montauk and they
did not cut any trap door my dealer
is moriches boat and motor 631-878-0023
ask for conrad he will advise you
tell him george visko told you to call


JBCornwell posted 10-12-2001 07:14 PM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
I, too, have a 2001 DF70 on my Montauk, Such. My dealer wanted to chop up my transom, too. Not an option.

Have them use a non-adjustable jack plate with about a 4" setback. It will preserve your hull integrity and allow a bit more speed. Cost should be about $80 bux.

Red sky at night. . .
JB :)

Tom W Clark posted 10-12-2001 07:34 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     

Don't let them cut that hole! There are several different alternatives:

1) Use a jack plate.

2) Raise the motor high enough so you can make it into the slash well with the lower bolts.

3) If you can't raise the motor that high then use lag screws. This is what Whaler themselves recommend and what I would do. We have discussed this before on the forum and many would disagree but the fact of the matter is lag screws will be more than strong enough for the lower holes. Unlike the upper bolts, the lower bolts will be in compression all of the time except during extreme reverse thrust situations. Mostly the lower bolts need to resist sheer forces as the motor is turned, and lag screws will be more than adequate.

While fishing in Sekiu, WA last month I saw an older 16' Whaler with the venerable Evinrude 70 h.p. motor mounted to it. I was heart broken to note that it was mounted without benefit of the auxiliary "blind" holes that OMC provides for just such a situation as this. The boat had an oval shaped piece of the hull jig sawed out in front of the splashwell and the piece was retained by some very crude little keepers. No effort made to keep water out! Very sad. Obviously the installer (perhaps the owner) had no clue.

Such posted 10-12-2001 08:14 PM ET (US)     Profile for Such  Send Email to Such     
Thanks! I will proceed as suggested.

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