TOPIC: Power Head Swap

Power Head Swap 13 years 11 months ago #21429

peterstransky Offline Expert Boarder Posts: 353 Karma: 11 Thank you received: 0	Will a 25hp powerhead botl into my 15hp? Will all the perfiferals (carb etc) bolt on? Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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Re:Power Head Swap 13 years 11 months ago #21439

pathfinderz1 Offline Gold Boarder Posts: 710 Karma: 16 Thank you received: 0	try the guys over at AOMCI. Tell them what year motor you have and what year power head you want to swap. If anybody know they will for sure. Heres the link. www.aomci.org/cgi-bin/yabb2/YaBB.pl?board=askamember Mike aka pathfinderz1 Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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Re:Power Head Swap 13 years 11 months ago #21442

professor Offline Gold Boarder Posts: 758 Karma: 87 Thank you received: 1	No problem at all. jus make sure you tork all the botls Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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Re:Power Head Swap 13 years 11 months ago #21546

Chinewalker Offline Gold Boarder Posts: 548 Karma: 42 Thank you received: 10	As far as I know, no year or model combination of 25s and 15s have much more in common than ignition components and drain screws. Short answer - no, they won't swap... Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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Re:Power Head Swap 13 years 11 months ago #21565

peterstransky Offline Expert Boarder Posts: 353 Karma: 11 Thank you received: 0	So I hear. This was the answer I got at Classic Outboards: "In a word: No" No worries. It gives me something to scan for on all the various sites such as e-bay.....eventually a powerhead for a 15hp will pop up. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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Re:Power Head Swap 13 years 10 months ago #22398

peterstransky Offline Expert Boarder Posts: 353 Karma: 11 Thank you received: 0	Alright then, how about.. Will all the powerhead periferals (carburator, etc) from a '54 15hp fasttwin fit onto a '56 15 hp fast twin powerhead. I have a complete '54 with an unsavable block. Found a complete '56 powerhead advertised with good compression. Check this box to be notified of replies to this topic. Note: BBcode and smileys are still usable.
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Re:Power Head Swap 13 years 10 months ago #22401

Chinewalker
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Not quite. '54 and '56 had significantly different mid-sections, which makes the powerheads not-quite compatible. You need a '53 or '54 powerhead to make it work.

What, exactly, do you need to make your powerhead complete? I've got a block and some other bits & pieces at the shop for a '53/'54...

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Re:Power Head Swap 13 years 10 months ago #22420

peterstransky
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Well, the block, crank, one piston/rod/bearings are all toast. I took them to a machine shop and the guys siad they couldn't be saved. In a different thread (scrape yard evinrude) we talked about the parts you have and a friend's block. But I dont want to put any serious money into this motor. Hoping to score a compete powerhead. The one I was considering above is a '56 selling on ebay for 50 bucks.