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repowering Montauk
lawyerbilly
#1 Print Post
Posted on 02/22/11 - 6:09 PM
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Hi Whaler people, I learned today the Yammy 90 22 yrs old on My 89 Montauk 17 needs to be replaced. It spent far too much time, not maintained sitting in the salt water at the SC Coast. I have a # of options. No 1 is a new Yamaha 90 two stroke (discontinued last yr as I understand it)...a very good price 6400 dollars brand new
Option no 2 is a 2000 Yamaha 4 stroke, model FTLR 100...said to be recently serviced for a little less than half the new two stroke.
Question: Will the four stroke 100 be too heavy? probably pushes 400 #
Any other advice from experienced seamen will be appreciated.
Billy Gunn aka Lawyerbilly

 
Fishmore
#2 Print Post
Posted on 02/22/11 - 9:03 PM
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Personally I would go with the new 90 2-stroke that motor is really perfect for the Montauk.

As for the question of weight according to NADA that 100HP 4-stroke weighs 356 lbs which is not too heavy for your boat. However, I would still rather have a brand new motor instead of one that is a ten plus years old.


Edited by Fishmore on 02/22/11 - 9:14 PM
 
Finnegan
#3 Print Post
Posted on 02/22/11 - 9:45 PM
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You can buy a brand new, leftover, 90 HP Mercury 2-stroke for only $5400. It's a more powerful engine than the Yamaha 90, which is really only an 82HP engine. The dealership advertizing this price, is near Chattanooga, TN, and will ship you an engine for about $120 with no sales tax.

 
lawyerbilly
#4 Print Post
Posted on 02/23/11 - 2:30 AM
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Hi Finnegan,
Thanks for the info. Do you have any additional info on the name of the dealer etc? I did a google search and couldnt come up with anything. Feel free to email me privately. Thanks Billy

 
Fishmore
#5 Print Post
Posted on 02/23/11 - 6:30 AM
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Lawyerbilly, One thing to keep in mind is that you currently have a Yamaha 90 on the boat so the new Yamaha 90 is a direct bolt-on and you can keep your original controls and rigging. If you go with a different engine manufacturer like a Mercury then you have to purchase new controls and rigging which would quickly eat in to any savings you would have had. The Mercury also weighs about 40 lbs more than the Yamaha. I run a Mercury on my boat so I have nothing against them it is just more work and dollars to swap engine manufacturers. The other thing to keep in mind is dealer service. If you buy out of state then who services your motor when or if there is a problem? The dealer is very important on a new motor when it comes to warranty issues.

 
CES
#6 Print Post
Posted on 02/23/11 - 7:11 AM
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I'm a Yamaha guy....and I'd jump on that new 2 stroke 90 in a second. IMO, Mercs are a lot of trouble. I've seen many 17' Montauks with 100's on the back, not all that uncommon.


Cliff
1966 13' Sport with a 1993 40hp Yamaha 2 Smoker
 
Finnegan
#7 Print Post
Posted on 02/23/11 - 8:09 AM
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Billy - Here is your link.

http://jacosmarine.com/ I have bought a Merc engine from these people, shipped to me. No problems at all, and a huge saving, especially in saving the sales tax. Also have bought Mercury props from them. I'm in Chicago, so am not local to them either. The three year factory warranty is nice also.
Other than that, I do not know them and have no financial interest in their operation.

I own a Whaler with twin 2006 Mercury 2 stroke 90's on it. Nice really powerful engines. You can see some video of them here:

http://smg.photobucket.com/albums/v42...rage%2018/

In the meantime, I'll let you guys argue about the pros and cons of the nice little, lightweight 82 HP Yamaha 90!

I have seen several re-powers from Yamaha to Mercury, and the Yamaha controls were still used. So all you would need is the ignition switch key harness for about $150, and maybe some new cables. That's a lot less than the $1000 extra for the Yamaha, plus an additional $600 extra in local sales tax.

Do people in Japan need work and benefits as badly as people in Wisconsin? We all need to start thinking about things like that these days if things are to get any better.
If we don't, they won't.

 
SSI_Whaler
#8 Print Post
Posted on 02/23/11 - 8:33 AM
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Lawyerbilly, I had a 2000 FTLR100 on my 1983 Montauk. It was close to being too heavy. Although the drain tubes in the splashwell were not noramlly underwater when the boat was docked, they did go underwater (slightly) when I stood in the back of the boat. While I enjoyed that motor, I can honestly say that I wished I had a 90hp 2-stroke on the boat. To me, that is the perfect perfect combination for a 17. I'd go with the 2-stroke if I had to do it again. Good luck to you -


Edited by SSI_Whaler on 02/23/11 - 8:34 AM
 
A Little Madness
#9 Print Post
Posted on 02/23/11 - 11:20 AM
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Lawyerbilly,
We repowered w/a Honda 90 4 stroke, and much has been written here about that decision back when we did. More detials on our personal page. Bottom line for us is that after sitting in her slip for the past 3 months of a rather harsh NC winter, she started immediately on first crank like she'd been warmed up an hour ago. This is unquestionably the most reliable engine I've ever owned, including a Yanmar and Volvo Penta diesels, and a Yamaha 90 2 stroke (the old motor). It's nice having new gages that worked well, a binnacle with cables that were smooth and easily adjusted, etc. Sometimes a little more upfront for excellent quality is a wise investment. One Man's Opinion! Good Luck


Chris & Dale Schnell
"A Little Madness" - 1989 Montauk 17'
 
Joe Kriz
#10 Print Post
Posted on 02/23/11 - 11:26 AM
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Here is an article we have for current "Engine Choices/Weights".
http://www.whalercentral.com/articles...ticle_id=5

 
Weatherly
#11 Print Post
Posted on 02/25/11 - 2:15 PM
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I suggest thinking further outside the Yamaha box. Consider the advantages of putting a 90HP E-Tec on your Whaler 17 transom. Less weight. More torque. No porpoising. Outstanding performance/efficiency with an optimum weight to displacement ratio. I recommend E-Tec only because I have one and have been very satisfied with the repower. Yes, I considered the Yamaha 2stroke 90HP; it is a nice outboard. But in the end, I went with state of the art technology. Yes, for a few dollars more. It was worth every penny.

 
Marty Johns Isd SC
#12 Print Post
Posted on 02/27/11 - 5:11 AM
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Hey Billy, If you haven't bought a new engine yet look into those E-Tecs. That is the engine I would like to put on my Montauk. If the Yamaha 90 is a deal go with that. Another thing to consider is mixing oil in two strokes. I am not 100% sure if the Yamaha is oil inject or not, but I am pretty sure the Evinrude E-tecs are. Not having to mix oil into the gas every time you fill up is really nice in my opinion. Just something to think about. Have you made any progress in re-doing your boat? It is warming up down here at the coast. Good luck with everything.


Marty Durham
1989 17' SS Limited
 
bmw90w
#13 Print Post
Posted on 02/27/11 - 11:48 AM
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Yeah I am not trying to bash anyone's motor either, but I have a 96 model Mercury 90hp that I am not thrilled with. It runs great, but Yamaha controls are smoother to me (mine are new as well), also the idle seems to be rougher too. the boats I have driven with Yamaha ae nice and smooth and quiet. If I were to repower, I would go with Yamaha, or most likely a new Etec. Be ready though, I was quoted around 6500-7000 for a new Yamaha and 7500 rigged for an Etec. That is why mine was rebuilt!


1984 Montauk
 
lawyerbilly
#14 Print Post
Posted on 02/28/11 - 3:53 AM
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Appreciate all the input. Right now it boils down to either the new Yamaha two stroke 90 or perhaps an E Tec 90. I can get the Yammy for 6400 dollars and use the same controls. Its pretty clear the Evinrude will be over 8k by the time I get controls etc. Best i can tell either would be a very serviceable engine. Also depends on accessability of service where, at least around here at Edisto where I will use it most, Yamaha would have the edge.

 
tedious
#15 Print Post
Posted on 02/28/11 - 6:50 AM
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Billy, the Yamaha 90 is a classic, carbed 2-stroke. It's basically the same motor as the one you would have bought 20 years ago, with all the good points (simplicity) and bad (noisy, smoky). The eTec is a modern, direct-injection 2-stroke. It will be dramatically quieter and less smoky, and will also start more easily and get much better mileage, particularly at troll and cruising speeds.

It's your money, and dealer support matters, but I'd be looking to get more of a discount on the Yamaha before I'd consider it. The new technology is just so much better.

Tim

 
Fishmore
#16 Print Post
Posted on 02/28/11 - 7:59 AM
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Billy saving 2000 dollars buys a lot of fuel. If you were happy with the performance of the old Yamaha 90 when it ran good than repowering with a new Yamaha 90 makes very good sense. With the Yamaha you know the capabilities of the equipment, you know what prop to run, you will not be changing the ride of the boat by adding 40lbs to the transom and you have a relationship with the dealer already. So from an economical standpoint and a usability standpoint you are in good shape. Now if you were unhappy with the Yamaha due to fuel economy or noise, you don't mind the extra weight, you don't mind spending the extra money and you don't mind traveling farther for service than the Evinrude does have better technology and the guys who have them like them. Personally I would stick with the Yamaha. But the choice is up to you.

 
Derwd24
#17 Print Post
Posted on 02/28/11 - 11:02 AM
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Also consider where you boat. The Yamaha will last a long time and if they change the regs in your area at some point in the future to allow only Carb rated engines, that could present an issue. Not sure how likely that is, but it's something to consider.


Dave - 1983 Outrage 22
 
Rip
#18 Print Post
Posted on 03/01/11 - 3:05 PM
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Finally! GOT MY '89 Montauk on Saturday with the fresh new Yamaha F70. I wish I had time to run it more and was able to give performance details, but I like it! Didn't even have time for pics. It is Quiet, boat has old bottom paint (going to remove next winter, if not sooner) so I was able to gauge how it sits compared to the 89 E'rude 90 2 stroke - seems very close - I think it weighs a little less than the 90. The guy that did the repower tried four props and said he liked the Stainless 4 blade 13 best - so until I learn any different that is what she's got. I hope to get back down to NC in a couple of weeks to do some "testing" of my own.

 
lawyerbilly
#19 Print Post
Posted on 03/01/11 - 5:59 PM
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Rip, this is supposed to be a really great motor, high tec in every respect. The mechanic who tore down my old 90 is an excellent Yammy mechanic and highly recommended the F70 you bought. Said the speed etc would be just about the same as the 90 and he was really high on it from the standpoint of diminished noise, increased efficiency and everything else. It only weighs 260 pounds.The quoted price was 7800 dollars as I recall . Congratulations on your purchase. It was a wise one in my view. I went ahead today and put down a deposit on the two stroke 90, new. The price was right and it will serve my purposes well.
Billy

 
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