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New Motor
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| jrjbooger3 |
Posted on 03/17/09 - 6:04 AM
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Need new motor, I have a dauntless 15 with a 70hp evinrude(1993) that is no longer in service. I love this set up, but I can get a very good deal on a mercury 50 two stroke, with money the way it is that is all i could get. Would this be ok for the dauntless 15, does anyone have this set up. please give me some advice.
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| Tig |
Posted on 03/17/09 - 6:32 AM
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Depends on your expectations. I'm looking at a Dauntless 15 with a 50 hp 4 stroke. I'll have to wait for ice out to test it but from what I have researched, I expect almost 30mph and performance will be iffy with more than 3 adults on board. I also expect to buy a lower pitch prop for any sort of water sports use.
I'm planning to fish and do a bit of cruising. With the right prop it should be OK for me.
If you get the 50, let me know what size/pitch prop you have and how well it actually works for you.
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| dauntless-n-miami |
Posted on 03/17/09 - 7:30 AM
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Good morning jrjbooger3, I own a '96 Dauntless 15 that was repowered in late '07 with a Yamaha 90 HP 2 cycle. The Dauntless runs and rides incredibly strong and get on plane quick. The install was certified and documented by the boating center that did the work (and they have been a very reputable establishment for the better half of 20 years in the Miami, FL area) for any issues that might arise regarding boaters insurance. The boat originally was set-up with a 75 HP 2 cycle but was quite under powered with 3-4 adults on board. The 4-stokes are nice and quiet but a bit heavier on the transom jrjbooger3. I would do a bit more research and comparison between the 2 engine types. The Johnson E-tec series O/B's are receiving good reviews, they are the latest in 2 cycle technology. Well that it for now and good engine hunting. 
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| wjsherid |
Posted on 03/17/09 - 2:28 PM
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There are some good deals on Engines, I had to replace my 90hp Yamaha with a new one last year. I ended up buying a new Yamaha 90TLR (2 Stroke - Exceptional Power and Lightweight)
I found a dealer that would sell me the motor at a great price. I arranged a LTL Carrier to pick it up and deliver to me up in Michigan. I know money is tight, but it is certainly an option. The freight was ~$150 through Freightquote.com Worked fantastic
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| Joe Kriz |
Posted on 03/17/09 - 2:35 PM
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jrjbooger,
If you change brands of engines, you will most likely also have to replace your engine controls and cables. This would be an extra cost.
If you stay with the same brand of engine you had, then you will save money and time by not having to change out the controls etc... This will leave you more money for a larger engine of the same brand.
Just a thought to keep in mind.
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| ioptfm |
Posted on 03/17/09 - 4:26 PM
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Echoing what Joe says, even if your controls are the older ones, you can get an adapter cable to connect them to a newer motor
Tom
1979 Sport 15' |
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| joninnj |
Posted on 03/17/09 - 8:05 PM
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JR, I think you will be disappointed in performance if you are looking to do water sports. That OMC block was a very solid design going back to the late 60's and was a strong runner. The Dauntless models are fairly hefty boats . A Merc 50 will not come close to the snap of your 70... If water sports or pushing a heavy load are part of your routine boating needs then you will not be happy with the 50...
Edited by joninnj on 03/17/09 - 8:13 PM |
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| Finnegan |
Posted on 03/18/09 - 12:59 PM
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Dissagree with Jon. I just sold a pair of 3 cylinder Johnson 70's, and I don't think there would be much difference at all when compared to the Merc 50. Both are three cylinder, and the Merc has more cubes! I think they would be very close in performance, as Mercury also got 60 HP out of the same block.
Bass and Walleye Boat magazine recently did a "shootout" comparison of all new 50's on the market, which included four strokes and the E-tec 50. The Merc 50 2-stroke won with the highest point total, much to everyone's surprise. The Merec 4-stroke 50 came in second. The E-tec was ranked quite low and slow.
It's a good little engine, with a lot of power. I think you will like it.
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| jrjbooger3 |
Posted on 03/19/09 - 8:49 AM
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Just wanted everyone to know i had the motor looked at and i may have it rebuilt, its not that messed up and would be under a grand to get fixed, so thinking about that. the propblem is that my prop is over a half inch worn down and that caused to high of rpm(6300). with that prop being so worn down should i get the same size prop and hope that pulls down the rpms or should a change pitch, any info on all of this would be great, any way i look at it i will be spending so money.
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| Tom W Clark |
Posted on 03/19/09 - 8:55 AM
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What propeller are you using now?
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| theo |
Posted on 03/19/09 - 10:03 PM
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jr, look for the size of the prop etched into the hub somewhere. Diameter x pitch.
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| tommy mc |
Posted on 03/20/09 - 12:40 PM
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prop should be sized for the motor; ecspecially the max RPM
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