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Author Topic:   2004 170 MONTAUK W/115 EFI 4STROKE
AQUANUT posted 08-09-2003 04:55 PM ET (US)   Profile for AQUANUT   Send Email to AQUANUT  
Jimm posted 08-09-2003 07:40 PM ET (US)     Profile for Jimm    
Ya gotta push the button on your keyboard that says - "Caps Lock".
sweetdreams posted 08-10-2003 11:59 AM ET (US)     Profile for sweetdreams  Send Email to sweetdreams     
Oh ThIs CoMpUteR EdIcATe Is DrIvInG Me CrAzY!! HAA Yes Tabasco has a 115 EFI 4Stroke on his 2002 170.
sweetdreams posted 08-10-2003 12:04 PM ET (US)     Profile for sweetdreams  Send Email to sweetdreams     
Nothing personal Jimm. I have always found it funny how some people are really bothered by all caps with computer communication. I didn't even notice it was all caps until I read your comments.
lhg posted 08-11-2003 01:21 PM ET (US)     Profile for lhg    
If you can turn the aluminum prop all the way up, you want to be running a 20" Merc Laser II on it. You won't believe the difference. If it will overrev the 21, use a 22" Laser.
She will scream and fly, and ride much better because of the increased bow lift. Engine should be installed in 3rd set of holes.
tabasco posted 10-15-2003 08:27 PM ET (US)     Profile for tabasco  Send Email to tabasco     
So what prop are you finally running on the boat about some performance numbers.
tabasco posted 10-15-2003 08:29 PM ET (US)     Profile for tabasco  Send Email to tabasco     
The max on mine is 50.3 MPH with the 115HP four stroke running a SS prop that vcame with the 90 HP 4 stroke.
13DAUNTLESS posted 10-16-2003 01:17 PM ET (US)     Profile for 13DAUNTLESS  Send Email to 13DAUNTLESS     
50.3 mph!!! That sounds like fun in a Montauk. Just wondering if you changed your max hp rating plate to read 115? Have you had any problem getting insurance on the boat?
What did it cost you to make the swap? Did you take a hit on the 90 4stroke?


whalerdude posted 10-16-2003 06:50 PM ET (US)     Profile for whalerdude  Send Email to whalerdude     
I want to know the same thing.

I am getting ready to buy a new Montauk and would like to buy it with a 115 EFI 4 stroke.

How did you handle the deal? Did you have to sell the motor on your own or did the dealer handle it as a trade right away? What was your net cost of your new 170 with the 115.

I may want to put a Yamaha 115 EFI on mine if I can trade in the 90 hp 4 stroke that comes on the boat.

tabasco posted 10-16-2003 07:44 PM ET (US)     Profile for tabasco  Send Email to tabasco     
See CETACEA PAGE 58 and it should answer your questions
Barney posted 10-16-2003 08:40 PM ET (US)     Profile for Barney  Send Email to Barney     
Ray, What speed are you running at 3500 RPM and 4000 RPM? Jim
tabasco posted 10-17-2003 08:27 PM ET (US)     Profile for tabasco  Send Email to tabasco     
Barney- You will have to wait til next season for your answer......... boat is being winterized shortly
Barney posted 10-18-2003 08:16 AM ET (US)     Profile for Barney  Send Email to Barney     
Tabasco, I figured it was too late. If you don't mind, in the next season, I would like to compare it to the 90 4 Stoke throughout the RPM range. We have the 90's info. Thanks Jim
lhg posted 10-19-2003 10:27 PM ET (US)     Profile for lhg    
Jack - I f I were you, I'd get the new Montauk with the lower cost 2-stroke 90. I believe you will take less of "hit" on the move up to the 115. The 2-stroke 90 may be quite easy to sell off your boat. You may be even be able to pre-sell it here.

As for the 115 4-stroke, the Merc and Yamaha are identical engines, except that the Yamaha weighs more because of the V-6 gear case it carries. You might look at the Merc as a lower cost option, since control rigging would not have to be changed. At 386#, the Mercury 115 EFI has the best power to weight ratio of any mid-range 4-stroke engine on the market. I believe it is a Yamaha designed engine.

whalerdude posted 10-20-2003 11:55 AM ET (US)     Profile for whalerdude  Send Email to whalerdude     
Thanks Larry.
The dealer has a used 2002 with a 90 2 stroke on it.

I like the idea of going with the Merc 115 because the weight is lower and the controls are set up for it already.

Jack M.

sumnerdav posted 10-20-2003 04:06 PM ET (US)     Profile for sumnerdav  Send Email to sumnerdav     
If the boat is rated for 90 HP, is it ok to put a 115 HP on it? Will the boat cops care if your HP exceeds the plate max?
lhg posted 10-20-2003 04:21 PM ET (US)     Profile for lhg    
Well, here's an easy solution. When you buy the 115, INSURE it as it actually is, a 115 EFI, with Vin, etc. Then just remove the two "115" decal numbers on the engine hood, and the words "EFI". All of the "Mercury" & 4-stroke graphics could remain. The boat cops, if you're concerned about them, won't know what you have, nor will care. You could also have a decal shop make you up a couple of "90" numbers for you.
whalerdude posted 10-21-2003 11:51 AM ET (US)     Profile for whalerdude  Send Email to whalerdude     
OK Larry:
Now I am thinking about putting the 115 Merc on my new 170 that I plan on buying this winter.

Why do you think the 90 2 stroke would be easier to sell than the 4 stroke?


lhg posted 10-21-2003 02:50 PM ET (US)     Profile for lhg    
Jack - They cost less, meaning on a percentage basis, less risk of trade-up loss, and they are very popular engines, and should be easier to sell, or trade, than the heavier, higher priced 4-stroke.

You're one of the few participants here with negative 5 foot Whaleritis! Are you feeling OK???? Hope that nice 22 of yours found a good home.

Chesapeake posted 10-22-2003 02:32 PM ET (US)     Profile for Chesapeake  Send Email to Chesapeake     
Larry: Jack sent 2 foot of his negative whaleritis accross the street while my wife was sleeping. Have been trying unsuccessfully to convince him to retain the remainder in the way of a Nantucket. No luck yet.


whalerdude posted 10-24-2003 03:12 PM ET (US)     Profile for whalerdude  Send Email to whalerdude     
I am getting -5foot itus because I miss seeing my boat in my garage each morning when I go to work. I think I used my old Montauk more because it is so easy to just hook up the boat and go to the launch ramp. Now I have to go to the storage yard,unlock the gate, uncover the boat etc.
Once on the water the 22OR is awsome no doubt about it.

I have not sold it yet. I won't cry if I don't because I still love it. I think I will enjoy the practicality of the new 170 Montauk.

seasicknes posted 10-24-2003 06:23 PM ET (US)     Profile for seasicknes    
Having the montauk in the garage really is nice. You can work on it anytime and sit on it when the ocean is bad.


13DAUNTLESS posted 10-24-2003 06:47 PM ET (US)     Profile for 13DAUNTLESS  Send Email to 13DAUNTLESS     
What is it about having a Whaler in the garage or on lift behind the house that is so great? I don't think you would get the same level of enjoyment out of many other brands of boats.
Jamber posted 10-25-2003 12:24 AM ET (US)     Profile for Jamber  Send Email to Jamber     
I grew up around the water and Whalers. My "Boyhood Dream" was to own a waterfront house and have a Whaler behind it ready to go... 1999 I got the Whaler, kept it in the garage, then last year when we got our waterfront house. Now it is on a lift ready to go at a moments notice. I love it! You are right, I do not think it would quite as good with any other make of boat!


AQUANUT posted 11-02-2003 10:45 AM ET (US)     Profile for AQUANUT  Send Email to AQUANUT     
Sorry bout
the untimely replies to your here we go.
i have 30 hours on my 170 with the 115 fourstroker thus far.
currently settled with a vengeance s/s 3 blade 14p prop.
I LAUNCH OUTTA THE WATER. I will take all other on the hole shot....jetboat with big blocks fear me...johnson 150's hate me...buts of course with the rush comes the distant end..only pullin42 @ 6000 grand...normal...but you better hold on getting there.....I have only encountered chinewalk once....heading bow first into a 40knt wind....spoooky spooky! {p.s....did I mention that I rig boats at a yamaha/honda/mercury/boston whaler dearlership...might be the reason I am able to color outside the lines....none the less..I officialy voided my warranty by doing this...but only live once..right?
enjoy it....

a little further elaboration....the stock 90 twostroke sold @ dearlership in less than a week...the 115 EFI 4{s} I installed the day I loaded THE MONTAUK off the truck from Florida...
mercury motors sell and outsell all others in our area...since i grew up near lake X in florida..there is no other for me....once you got'll never go RULES racing..maybe thats why brunswick owns then..just like sea ray..bayliner...maxum..raballo...mercruiser...and our favorite BOSTON WHALER USES THEM!

I.E.....IN MY PARTICULAR BOATING AREA, there are wave called sleepers {pacific northwest}large nasty sneaky waves
with water temps @ 45 degrees...I want a responsive boat @ my fingertips....thus the setup discussed above...My life depends on responsiveness...Happy Whalen!

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