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Old 10 February 2015, 21:30   #1
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Country: Canada
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Outboards for hurricane 733

Hi I'm looking at putting outboards on a 733 and wondered if anyone could offer any advise on maximum weight of outboards on a 733 and what configuration they would recommend e.g single 250-300 hp or twins

Many thanks in advance
Jono
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Old 11 February 2015, 01:04   #2
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Zodiac specs say twin 150s max. People have done bigger but on custom brackets.

Is it an outboard already or are you covering a diesel?

Jason
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Old 11 February 2015, 01:55   #3
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Going to remove the inboard leg there used to be a diesel but no more,i need the extra space so going to put a full buoyancy transom on there and mount twins or a single , thanks for the reply
Jono
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Old 11 February 2015, 02:13   #4
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Cool. I did the same thing. Genuine zodiac outboard brackets are hard to find. Others have made similar aluminum brackets or fiberglass brackets.

Look for my 733 build thread and Ryan Pratt's builds on here. Ryan's will show you how it should be done. You have lots of great zodiac resources up in your neck of the woods.

Jason
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Old 11 February 2015, 08:32   #5
ynp
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Outboards for hurricane 733

I have Twin Mercury 150 FourStrocke motors on a standard alu 733 bracket. The boat is a bit too heavy aft. I also have a solid fiberglass bench seat with locker close to the transom and it adds another 50 kilograms. I have two fuel tanks.

I asked an architect to make the calculations and his advice was to add more flotation to the bracket. In my case the calculations show that I need at least 18 cm longer and 27 cm wider bracket or the hull extension.
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Old 11 February 2015, 10:59   #6
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Outboards for hurricane 733

The harbor patrol zodiac here has twin 150 Hondas and so do most of the others I see, some variation of twin four strokes these days. I can't find the weight numbers from zodiac right now. It looks like the mercury's are 450lbs each (900lbs total). I have a 620lbs 250hp single and it's fantastic. Can't find any weight numbers from zodiac. I thought I had found some at one point and thinking I had some weight to play with but that might have just been thinking one heavy engine still weighs less that two.

Jason
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Old 11 February 2015, 16:41   #7
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Thanks for the info im hoping a GRP Transom would suffice for twin 150`s anyone know of the difference between an evinrude and mercury set up , if at all there was one these days with all the new tech.

jono
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Old 11 February 2015, 19:29   #8
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Check Ryan pratt's build thread. He had a local to him Florida guy build a custom GRP bracket so it can be done.

As for engines there are thousands of posts in the subject. You can find horror stories for all brands ir stories of people that have run then for hundred or thousands of hours. Realistically the differences are pretty small among the major four stroke brands. I don't know much about Evinrudes but some people swear by them.

Jason
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