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Old 30 March 2009, 22:46   #1
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Country: UK - England
Town: sheffield
Boat name: barracuda
Make: Humber 7.6 mts
Length: 7m +
Engine: 200HP mercury
Join Date: Aug 2004
Posts: 179
putting 150hp on a avon adventura 620

hi i am upgrading my engine on my boat ( a avon 620 adventura)
fitting a 150hp suzuki the engine supplied did not have a prop, can anybody recomend what size
i am thing of a 23" pitch as i have lots of power
my old engine, a yam 100hp had a 21" pitch prop on and coped ok
i do carry about 4/6 divers with kit onboard so need to take this into accout

thanks
steve
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Old 30 March 2009, 23:08   #2
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Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
The DF150 has an unusually low ratio gearbox, so don't compare it with your Yam 100 on a like for like basis.

IBWET on here has a DF150 on a Ribcraft 5.8 and he's been experimenting with different props, so should be able to help.


EDIT: I'm assuming your replacement motor is a DF150. If it's an older V6 2 stroke, then ignore all the above.
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