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Author Topic:   Repower: NAUSET
detra posted 03-07-2003 09:25 AM ET (US)   Profile for detra  
Finally repowering a 1973 Nauset [which previously had a 1975 80-HP Evinrude]. Reliability is the paramount consideration, followed by price. Use is mainly near/offshore, lots of trolling. I've followed all threads and am leaning towards a Yamaha or Evinrude 2-stroke 90-HP. I'm in Boston, [are the Yamaha or Evidrude motors] a good choice? What is a good price? Any dealer suggestions?
Bigshot posted 03-07-2003 10:20 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
2 things.....Evinrude never made a 80hp in 1975 or any other year post 1968. The evinrude 90 is a Fict direct injected 2 stroke that is a very heavy but impressive engine. The Yamaha 90 is a light(262lbs) engine that is more like a 80hp, antiquated but proven and will outperform the engine you have now in both speed and fuel mileage but holeshot may not be as great. The evinrude will give you whiplash. Is speed a concern or just overall utilty and function? If top speed is not a main concern, I would take the 90 Yamaha unless you can find a good deal on a leftover Evinrude/Johnson(which there is a great deal on a NEW Johnson on E-bay right now $4900 "buy it now"). I would also SERIOUSLY consider a Suzuki/Johnson 70hp 4 Stroke for about what the 90 Yammie goes for and performance is real close to it but burns half the fuel and whisper quiet. How do I know all this, I just repowered my Yammie to the Zuki.
detra posted 03-07-2003 03:27 PM ET (US)     Profile for detra    
Sorry for the typo, it's an 85 evinrude, you'd have thought I would have remembered that after all these years...
Top speed isn't a concern, from what I've read 70 4stroke zuki does 38-39 knots while evinrude 90 about 42-knots. Thanks, I'm starting to lean towards the Zuki 70. Anybody experiencing problems with this engine?
PSW posted 03-07-2003 04:52 PM ET (US)     Profile for PSW  Send Email to PSW     
The speed referenced above is mph not knots and I vote you go with the zuki. Bigshot I am sure knows of a place where you can get one for a good price. He seems to have the engine market on the east coast pretty well figured out.


captbone posted 03-07-2003 06:39 PM ET (US)     Profile for captbone  Send Email to captbone     
Lots of talk of the tohatsu 90 hp being a good motor for that boat.
jimh posted 03-08-2003 11:01 AM ET (US)     Profile for jimh  Send Email to jimh     
I am curious what features of the Tohatsu 90-HP would make it superior to the Mercury 90-HP.

The Mercury engine would be supported by the largest network of dealers in the United States. I would have to drive past about 100 Mercury outboard dealers before I could find a Tohatsu dealer. Common parts for the Mecury are available from all these dealers plus a vast aftermarket network of marine parts stores across America. If I needed a part that is required for periodic service, like a water pump impeller, I can find one for a Mercury almost anywhere in the United States. If I needed one for a Tohatsu, I would suspect they would be much harder to find.

The Mercury 90-HP 2-stroke has been in production for many years and is widely praised for its performance. Many owners of this engine have posted positively about it on this forum.

Other than the fact that the Tohatsu is made overseas in a foreign country and has almost no dealer network in the United States, could we have some elaboration about why this motor would be a better choice for a 17-foot Whaler than a Mercury?

Bigshot posted 03-10-2003 10:15 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Well, it is probably built better than a Mercury OR.....builds the Mercury. What i am getting at is Tohatsu/Nissan makes many engines and engine parts for Merc since I believe 1975. All the small engines now are Tohatsu. Tohatsu is also the largest or oldest outboard manufactureer in the WORLD. The majority of commercial crabbers and such by me run Tohatsu enginges as well.

Now on the flip-side, I agree with you Jim and for the extra few bucks I believe resale, etc will come back to you with a different engine. Not sure if the other engine will be built better but name recognition and convenience is sometimes more important.

Back in 1981 we bought a Suzuki 140hp and loved it. It hurt the resale on our Whaler when we sold it(1988). Today I do not think you would get that from a suzuki powered boat, especially a 4 stroke. Time will bring Tohatsu higher up on the food chain in the US. In FL you might be ok selling one down the road, but in NJ they were real scarce.

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