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Author Topic:   Repower Montauk
friendlywilly posted 07-24-2003 09:59 PM ET (US)   Profile for friendlywilly   Send Email to friendlywilly  
I have a 1988 Montauk on Cape Cod that I use for fishing/cruising. It has a 1987 Yamaha 90hp that is just about ready to give up the ghost. I have read (numerous) posts going back over the last year and have pretty much decided to go with the 70hp 4 stroke suzuki. I like Yamaha, but am very wary of putting a 90hp 4s on the boat because of the weight of the motor. If I bought a new yamaha, it would be a new 90hp 2s, which weighs the same as the 1987 that is on the boat now. I can get the Suzuki for not that much more money though.

I want to mount directly on the transom, not on a mounting plate. Can I do that with the 70 hp Suzuki 4s? Would someone who has that motor mounted on a plate please send email me pictures? My objection to doing it that way is primarily that I do not like the way that type of mount looks. Thanks.

JBCornwell posted 07-24-2003 11:54 PM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
You have mail, Willy.

Red sky at night. . .
JB

friendlywilly posted 07-25-2003 10:07 AM ET (US)     Profile for friendlywilly  Send Email to friendlywilly     
Thanks JB.

I know that I can comb through old postings, but if you or anyone else would not mind briefly outlining the advantages of using a setback plate I would appreciate it. Does your plate set the motor back and raise it higher as well?

JBCornwell posted 07-25-2003 11:04 AM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
Howdy,

The reason I elected to use the setback plate was to avoid using lagbolts (or butchering the splashwell) on the lower mounting holes of the Suzuki.

It sets my engine back 4". It could be adjusted to raise the AV plate above the keel, but it sets the engine at "stock" height.

I believe that top speed is increased over a no-setback mounting, but that is not a priority with me.

Initially I felt as you do. I expected the installation to be ugly, but I am pleased with the result.

Red sky at night. . .
JB

nevada posted 07-25-2003 11:35 AM ET (US)     Profile for nevada  Send Email to nevada     
JB,

Could you please send me pictures of your installation also?

Joe

nevada posted 07-25-2003 12:37 PM ET (US)     Profile for nevada  Send Email to nevada     
Thank you JB

Joe

friendlywilly posted 07-25-2003 01:32 PM ET (US)     Profile for friendlywilly  Send Email to friendlywilly     
Thanks again JB.

You should be pleased with the installation. I am impressed. It's pretty clean.

Disco Stu posted 07-29-2003 12:46 AM ET (US)     Profile for Disco Stu  Send Email to Disco Stu     
Hey, JB, I dropped off the boat at the suzuki dealer tonight. Repowering with a 70 hp 4 stroke. I'd love to see a photo of your set up as well, as I am considering using a jackplate/bracket as well.

thanks.

nat

jimh posted 07-29-2003 08:05 AM ET (US)     Profile for jimh  Send Email to jimh     
In the Reference section of the website there is an article which contains information on the various advantages that are thought to obtain with use of engine setback brackets.

See http://continuouswave.com/whaler/reference/engineBrackets.html

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