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Old 06-01-2021, 03:27 PM   #1
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Talking 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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Old 06-01-2021, 06:26 PM   #2
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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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Old 06-01-2021, 06:37 PM   #3
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Sell the boat and buy another one with an outboard...
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Old 12-15-2022, 08:08 PM   #4
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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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Old 12-16-2022, 04:11 PM   #5
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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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Old 12-16-2022, 06:16 PM   #6
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Quote:
Originally Posted by shrew View Post
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)
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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Old 12-19-2022, 03:49 PM   #7
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$50K+ without labor on a boat that valuates at roughly $40K.
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Old 01-06-2023, 03:38 PM   #8
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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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Old 01-06-2023, 03:45 PM   #9
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Quote:
Originally Posted by maxum3300 View Post
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.

Did you find the boat? lol
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Old 01-09-2023, 02:04 PM   #10
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Quote:
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I've learned a thing about Online boat forums, 99% pessimists.
In reality pessimists are simply realists who are telling you what you don't want to here.
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Old 01-09-2023, 02:46 PM   #11
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Quote:
Originally Posted by shrew View Post
In reality pessimists are simply realists who are telling you what you don't want to here.
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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Old 06-06-2023, 02:14 AM   #12
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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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Old 06-09-2023, 02:50 PM   #13
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[QUOTE=maxumpleasure;67386]I'm looking for some guidance on converting the IO to an outboard. /QUOTE]

Quote:
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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.
While confusing, I congratulate you on your successes
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Old 08-14-2023, 07:38 AM   #14
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Default Maxum 2700 outboard conversion

Hello i am converting my 2700scr to outboard engine, does anyone have experiance doing this?
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Old 08-14-2023, 08:59 AM   #15
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Did you strengthen the transom?
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