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Old 25 July 2009, 15:33   #1
Country: Other
Town: m ciuc
Boat name: myboat
Make: joker
Length: 4m +
Engine: outboard
Join Date: Jul 2009
Posts: 2
Df 90 on a 4.7 rib

I'd like to put a new Suzuki DF 90 outboard on a 4.7 Joker Boat(italian made,around 1990.Good condition) Is it stupid to do something like this? Would this engine be to heavy for this boat? I am planning to buy a bigger RIB (5-5.5 mtr) in a couple of years and it would be meaningless to buy one smaller engine now and a bigger then.Right now there is a Selva 55 HP 2 stroke (also italian made) on it,but I've had enough of the noise and smell and oil...
Thank you ...

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Old 26 July 2009, 02:08   #2
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Country: UK - England
Town: Southampton
Boat name: Hissing Sid
Make: Ross Smith Cobra
Length: 6m +
Engine: 200HP Optimax
MMSI: 235038046
Join Date: Jun 2002
Posts: 3,803
I am pretty sure the max for that boat is around 50-60hp and wouldn't recommend that large a motor especially the weight of a 4 stroke on the back. Why not buy the bigger boat now?
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Old 02 August 2009, 06:02   #3
Country: Netherlands
Town: Rotterdam
Make: Roughneck 636
Length: 4m +
Engine: Suzuki DF140
Join Date: Aug 2009
Posts: 9
See how this works (first time reply and in english, apologies for the spelling). I've got a Joker 470 with the new suzuki DF90, mounted on by myself. And I must say, it's a perfect match. The problem with the "old" outboards is not the power (the bracket is strong enough) but the weight.With this new design the weight is not the problem any more. However, to be certain, I've made some bars to the upper bolts and rib. I finished up some heavy testing onto big waves and it seems to be oke!
For more insides please don't hesitate to contact me.
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