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Author Topic:   Best 90-HP Outboard For The Money
89whalergirl posted 05-26-2006 07:35 PM ET (US)   Profile for 89whalergirl   Send Email to 89whalergirl  
My 1989 Yamaha 90-HP just went kapooie for good. What is the best type of engine for the money to replace it? I've been quoted $8,800 for a new Yamaha 90-HP four-stroke, $8,000 for a new Suzuki four-stroke, and $6,500 for a 70 four-stroke Johnson which has low hours. Of course I like the lower price johnson but am worried about power. [Give me] suggestions, [which will] be greatly appreciated.
jimh posted 05-26-2006 07:51 PM ET (US)     Profile for jimh  Send Email to jimh     
Find a local dealer with a strong repair and service department, who has been selling a particular brand for a long time. Negotiate with him directly on the purchase of a new motor.
Perry posted 05-26-2006 09:24 PM ET (US)     Profile for Perry  Send Email to Perry     
Hey whalergirl, what model Boston Whaler is this new motor going to be mounted on? Do you use your boat for skiing, fising, cruiing?
Perry posted 05-26-2006 09:25 PM ET (US)     Profile for Perry  Send Email to Perry     
That last word is supposed to read cruising
Teak Oil posted 05-26-2006 10:11 PM ET (US)     Profile for Teak Oil  Send Email to Teak Oil     
IMO its a 2 stroke Johnson 90 for $5999, just need to find one
andygere posted 05-26-2006 10:22 PM ET (US)     Profile for andygere  Send Email to andygere     
I think the ideal power for a Montauk is the Evinrude E-TEC 90, but it won't be the cheapest motor. I agree with Teak Oil that a 2- stroke carburated Johnson 90 is the best value, and will run circles around your current motor. A brand new Johnson 70 4-stroke can be had for $6,882.

Check out Custom Marine at They sell Evinrude, Johnson and Yamaha, and have the best prices anywhere I've seen. I bought from them and am completely satisfied. Ask for Will.

andygere posted 05-26-2006 10:28 PM ET (US)     Profile for andygere  Send Email to andygere     
By the way, the Yamaha 4-stroke 90 weighs 108 pounds more than your current motor, which I think is getting very heavy for a Montauk. Yamaha still lists the 2-stroke 90 on their website, and if you like your current motor, you may just want to replace it in kind. You will save some money on rigging and controls if you buy another Yamaha, but they are 17 years old and may need replacement anyway.
sosmerc posted 05-26-2006 11:02 PM ET (US)     Profile for sosmerc  Send Email to sosmerc     
I have sold a number of 90hp Merc Optimax engines on's a great package. Final price would depend alot upon the guage package (if any) you want plus the prop and steering selection.
Basic price for the engine is $7395. I think the Merc 3 cylinder Optimax is a solid engine that delivers good performance, outstanding fuel economy and very nice running quality. The 3 cylinder Optimax is currently my favorite Mercury that I would not be afraid to sell to my most particular customer.
spider posted 05-26-2006 11:17 PM ET (US)     Profile for spider  Send Email to spider     
Put another 90 hp, 2-stroke Yamaha on your boat. That way you can use the same controls and gauges. Those items are somewhat expensive to replace. In addition, the 90 hp 2-stroke Yamaha will provide you with the best horsepower/weight ratio. You may wish to stay away from a 4-stroke engine. 4-strokes are heavy and, depending on just how heavy the engine is, it may take your boat out of trim, forcing you to move the batteries forward for ballast.


fairdeal2u posted 05-27-2006 02:40 AM ET (US)     Profile for fairdeal2u  Send Email to fairdeal2u     
Get the 70-HP four-stroke Johnson or Suzuki if you don't plan on going waterskiing much.
89whalergirl posted 05-27-2006 09:33 AM ET (US)     Profile for 89whalergirl  Send Email to 89whalergirl     
Thanks for the input. I will be using the boat for skiing, my husband uses it for fishing. Of course, he wants the 70-HP because it's cheaper. My concern is having enoug power to pull my child and her friends skiing.

Bulldog posted 05-27-2006 10:08 AM ET (US)     Profile for Bulldog  Send Email to Bulldog     
Stay at 90hp , it is what you are used to and you are sking! The 70 hp engine will disappoint you compared to what you have had. Your question other than that could end up with a hundred posts here, based on the money issue stay Yamaha, the controls can be reused and that motor lasted a long time!--Jack
jimh posted 05-27-2006 10:49 AM ET (US)     Profile for jimh  Send Email to jimh     
For information on many 90-HP outboard motors presented in a nice table, see:

The Judge posted 05-28-2006 12:38 PM ET (US)     Profile for The Judge  Send Email to The Judge     
That 70 has plenty enough snot to ski me i owned one for 4 years and weigh 215.
The Judge posted 05-28-2006 12:39 PM ET (US)     Profile for The Judge  Send Email to The Judge     
PS I had a 90 Yammie that I replaced with the 70. The 90 did 41mph, the 70 did 39+ and burned half the fuel. You will not be dissappointed.
BOB KEMMLER JR posted 05-29-2006 01:19 PM ET (US)     Profile for BOB KEMMLER JR    
90 Merc 2 stroke classic at $5400
PeteB88 posted 05-30-2006 11:43 AM ET (US)     Profile for PeteB88  Send Email to PeteB88     
If you can swing the moolah for the ETEC do it. After being on Buckda's Gambler over the weekend with his twin ETEC 90s I'd be going for one of those for sure. But Yam is good too. I can still hear those twins - very cool sound but NOT obnoxious, loud at all - we had no problem talking at WOT and there were two of them back there! He confirmed low fuel consumption as well. No smoke like my Yam and I don't have any interest in 4 stroke personally at this time.

Whaler girl - how do you define Kapoooie in this matter? What happened?

89whalergirl posted 05-30-2006 09:59 PM ET (US)     Profile for 89whalergirl  Send Email to 89whalergirl     
kapooie=powerhead done and pistons have become one
BOB KEMMLER JR posted 05-31-2006 12:06 AM ET (US)     Profile for BOB KEMMLER JR    
yup thats kapooie
PeteB88 posted 05-31-2006 11:05 AM ET (US)     Profile for PeteB88  Send Email to PeteB88     
Not to drive everyone nuts but now that we know what is or was kapoooie has a reason for such a catastrophic failure been determined?
89whalergirl posted 05-31-2006 11:32 AM ET (US)     Profile for 89whalergirl  Send Email to 89whalergirl     
i've just been told by a marina that they outfit montauks with 70hp suzuki or 70hp yamaha cause instead of 90s cause the 90s are too heavy.
jumpjet231 posted 06-05-2006 01:36 PM ET (US)     Profile for jumpjet231  Send Email to jumpjet231     
70 Suzuki, $6300 mounted. I get around 37ish mph. Should have plenty of power to pull a kid out of the water. I'm just shy of 20 hrs and I've only burned 14 gals. 90 Suzuki was too heavy for my year Montauk.
VETETR posted 06-05-2006 05:37 PM ET (US)     Profile for VETETR  Send Email to VETETR
They Leftover 2005 2-Stroke Merc 90 for $6k and a 115 for $6,550. I'm considering repower my 17" Outrage II with one of the 115's.
acseatsri posted 06-05-2006 08:42 PM ET (US)     Profile for acseatsri  Send Email to acseatsri     
It seems to me that with high and higher fuel prices here to stay, it's hard to justify buying a carbed 2-smoke these days. With fuel prices above $3 a gallon the extra cost of the modern technology (whether DFI or 4 stroke)makes the payback worthwhile.
Not to mention the extra range of the better fuel economy.
The Judge posted 06-06-2006 01:58 PM ET (US)     Profile for The Judge  Send Email to The Judge     

I paid less than that for a new 115 Suzuki 4 stroke with a 6yr warranty....out the door. I can get 2 smokes for about $5k.

17 bodega posted 06-07-2006 01:19 AM ET (US)     Profile for 17 bodega  Send Email to 17 bodega     
I can get 2 smokes for about $5k.

That's pretty funny..

Kingsteven18 posted 06-08-2006 10:09 AM ET (US)     Profile for Kingsteven18  Send Email to Kingsteven18     
'kapooie for good'?
Is it that beyond repair? How about finding a good, used powerhead or whatever it needs?
kamie posted 06-08-2006 10:26 PM ET (US)     Profile for kamie  Send Email to kamie     

While there is/was no max engine weight for the 89's the current max weight listed by Commercial Products is listed at 330 lbs.

The Judge posted 06-09-2006 01:18 PM ET (US)     Profile for The Judge  Send Email to The Judge     
410lbs is max on 17's

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