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06-01-2021, 04:27 PM
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#1
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Ensign
Join Date: Sep 2019
Posts: 9
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Converting 2400SCR to outboard
I'm looking for some guidance on converting the IO to an outboard. The 5.7 Litre is pretty old and constantly needs attention. The fuel tank also needs to be replaced. I have a 250 Yamaha Saltwater series EFI and an engine bracket that attaches to the Transom as well as could be through-bolted Through the platform. There are almost no mechanics in the Florida Keys willing to work on Inboard Outboards and I am tired of replacing Manifolds. We've done this conversion on two Formulas and a Cruisers but I'm curious if there's anyone with a Maxum that has done this? If so how does it perform?
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06-01-2021, 07:26 PM
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#2
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,606
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Seems like the bracket would need to extend pretty far back so the outboard would clear the swim platform including when tilted. This would then require the transom to be reinforced to support all that weight hanging on it. This could lead to the bow riding high unless the bracket has some floatation. IMO you would be better off selling the boat and getting one designed for an outboard.
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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06-01-2021, 07:37 PM
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#3
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Admiral
Join Date: Mar 2012
Location: Lake Powell
Posts: 1,613
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Sell the boat and buy another one with an outboard...
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12-15-2022, 09:08 PM
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#4
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Ensign
Join Date: May 2011
Posts: 7
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I know this is an older thread. I ran across it while searching for info on the boat in this video. Someone converted what looks like a maxum 2700 to outboards so short answer is it can be done. See the video below.
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12-16-2022, 05:11 PM
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#5
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Moderator
Join Date: Apr 2008
Posts: 5,684
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Possible, absolutely. Though IMHO it doesn't make any sense.
Suzuki 300: $23K (x2 $46K)
Custom Bracket: $5K
Mercruiser 8.1: $24K
Mercruiser 4.3: $9,500 (x2 $19K)
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12-16-2022, 07:16 PM
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#6
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,606
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Quote:
Originally Posted by shrew
Possible, absolutely. Though IMHO it doesn't make any sense.
Suzuki 300: $23K (x2 $46K)
Custom Bracket: $5K
Mercruiser 8.1: $24K
Mercruiser 4.3: $9,500 (x2 $19K)
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While I agree it would not make cost sense your comparison is 600 HP vs 425 HP. You would need to keep the boat for a rather long time to get the enjoyment pleasure out of it.
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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12-19-2022, 04:49 PM
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#7
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Moderator
Join Date: Apr 2008
Posts: 5,684
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$50K+ without labor on a boat that valuates at roughly $40K.
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01-06-2023, 04:38 PM
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#8
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Ensign
Join Date: Sep 2019
Posts: 9
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Thanks for sharing, Maxum 3300. My conversion is finally underway and its been a fun project so far. I already have the outboard, the bracket and the free boat. I'm expecting to have under $700 in it. IMO my situation is the perfect candidate for this when the alternative is towing it to the dump. I've learned a thing about Online boat forums, 99% pessimists. It makes it fun to prove them wrong. I will say that I agree its nutty to strap 40K on an old Boat worth 4k but at least you can take the motors off and install on something else. I come from the aviation world and I'm used to not getting your money back on upgrades, but if it makes you happy then do it anyways!
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01-06-2023, 04:45 PM
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#9
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Ensign
Join Date: Sep 2019
Posts: 9
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Quote:
Originally Posted by maxum3300
I know this is an older thread. I ran across it while searching for info on the boat in this video. Someone converted what looks like a maxum 2700 to outboards so short answer is it can be done. See the video below.
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Did you find the boat? lol
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01-09-2023, 03:04 PM
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#10
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Moderator
Join Date: Apr 2008
Posts: 5,684
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Quote:
Originally Posted by maxumpleasure
I've learned a thing about Online boat forums, 99% pessimists.
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In reality pessimists are simply realists who are telling you what you don't want to here.
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01-09-2023, 03:46 PM
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#11
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Ensign
Join Date: Sep 2019
Posts: 9
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Quote:
Originally Posted by shrew
In reality pessimists are simply realists who are telling you what you don't want to here.
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very philosophical! ha
In this case, the evidence shows that Outboard conversions have saved hundreds of boats from the scrapyard, and are super easy to do! I myself have done it 3 other times. I don't need convincing that it works. I'm more interested in seeing how others did theirs!
With the new space below deck I had looked into to installing a diesel generator but have now added 2 LIFEPO4 batteries and an inverter to power the AC, fun stuff.
Cheers
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06-06-2023, 03:14 AM
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#12
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Ensign
Join Date: Sep 2019
Posts: 9
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I present to you, my completed conversion! Maxum pleasure has never looked so good! Feast your eyes naysayers �� I highly recommend this project if you have the time for it.
https://photos.app.goo.gl/FCyZLpXhRFAzug1S6
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06-09-2023, 03:50 PM
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#13
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Moderator
Join Date: Apr 2008
Posts: 5,684
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[QUOTE=maxumpleasure;67386]I'm looking for some guidance on converting the IO to an outboard. /QUOTE]
Quote:
Originally Posted by maxumpleasure
In this case, the evidence shows that Outboard conversions have saved hundreds of boats from the scrapyard, and are super easy to do! I myself have done it 3 other times.
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While confusing, I congratulate you on your successes
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08-14-2023, 08:38 AM
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#14
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Ensign
Join Date: Aug 2023
Posts: 2
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Maxum 2700 outboard conversion
Hello i am converting my 2700scr to outboard engine, does anyone have experiance doing this?
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08-14-2023, 09:59 AM
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#15
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Ensign
Join Date: Aug 2023
Posts: 2
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Did you strengthen the transom?
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