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Old 28 July 2007, 09:54   #1
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Country: Ireland
Town: Dublin
Boat name: n/a
Make: excell marine
Length: under 3m
Engine: outboard
Join Date: Jul 2007
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Fuel consumption

what would be the fuel consumption on a yamaha 2 stroke 250hp.
and on the mercury opti max 135.
thanks
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Old 30 July 2007, 12:48   #2
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Country: UK - England
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Boat name: Top Cat
Make: Scorpion 8.1
Length: 8m +
Engine: Yamaha F225
MMSI: 235020739
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Depends on what hull they are attached to!

And the sea state, amount of kit and crew on board etc.

Had a 135 Opti on a 585 Ribtec and used to use 1l per nm which seemed about right.

Now have a 8m Scorpion with a 225 Yamaha (4 stroke) and that uses about 30 - 35l/h cruising at 20 - 25 knts. However if you cruise at 40knts more like 70l/h, the very worst I have seen was 94l/h flat out (47knts ish) on dead flat Solent!
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Old 30 July 2007, 13:46   #3
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Country: UK - Wales
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My Suzuki 225efi 2 stroke is giving exactly the same sort of consumption as your 4 stroke - not bad eh???
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