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Old 22-07-2010, 00:39   #16
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My old Yammie 90 was going on for 10 yrs and over 2000 hrs (rebuilt power head at around 1400 hrs) when traded in for next to nothing. They last well.

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Old 22-07-2010, 00:57   #17
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The "Oram set" are fitting Honda BF20s fitted with a power thrust prop. It is a 10"x7" 4 blade (part number, 58134-ZV4-007HT) Better (and cheaper still), contact Solas Props at the Sunshine Coast for their prop suggestion

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Old 22-07-2010, 05:00   #18
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A few years ago we tried switching to twin 125 4stroke Hondas on one of our dive boats. They were crap. Absolute rubbish. And the service from Honda was crap too. First they put on the wrong length shafts, but even after changing for the correct ones, the boat broke down every fourth trip or so. We traded them in - with a big juicy loss - for a pair of good old fashioned, second hand Yamaha two strokes again and have had no out of the ordinary problems since.

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Old 23-07-2010, 13:53   #19
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Originally Posted by beau View Post
I have placed this in the multihulls section, because more and more of the newer multihulls, power or sail or both are using outboards (properly positioned) instead of diesels for a number of reasons.
Back to your original premise. Can you provide any sort of detail that shows new cruising cats and tris are using outboards?

Fair Winds,
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Old 23-07-2010, 14:51   #20
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I am based in Brisbane Australia which is and always has been a multihull haven.
Many of the new multihulls Schionnings etc are now fitted from new with outboards, and the outboards are getting larger because of the low weight and the higher speed that can be generated with the newer type narrow hull design.
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Old 23-07-2010, 15:10   #21
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I have a 2002 [from new ] mercury bigfoot 40 hp four stroke that has only done 200 hrs, when i cross our local gulf here in Adelaide from my moorings at garden island i can make a beacon which is called Middle Spit beacon of off a small town called Pt Vincent which is approximately 30+ nantical miles away on one tote tank [22litres approx] at 3500 rpm which depending on conditions gives us 6 knots since my trimiran is 36ft long and weights 5.5 tn i consider this excellent value having had 2strokes in the past there is no-way that they could compare with this type of economy and lets not get into the sound difference ....... but thats another can of worms to open isint it !!!!!!!!!!!!!
cheers andy

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2 stroke, 4 stroke

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