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Old 01 June 2007, 19:01   #11
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I have had Yamaha 225 & 250 F/Strokes and if you abuse the throttle its
2 lts a n/mile taking thing a bit less frantic will get you about 1-1/4 to 1-1/2
lts a N/mile i have checked it loads of time. Big engine big fuel bill no way round it. Its all relevant
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Old 02 June 2007, 19:03   #12
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Milo I can't help but think your figures are optimistic.
You can't spend 4 hours water skiing on 45 litres of fuel. I'd expect ours to use more than that, skiing drinks it.

I've been on a lot of boats with 200hp+ outboards and they all seem to use more like 70l/h WOT and about 30l/h at a 30knt cruise.
H
Don't doubt me... doubt the Floscan and Mr Morrisons delivery pumps! both of which I find rather accurate.

I was a general days skiing and boating. Some resting, some WOT, some gentle running. Not all of the 4hrs was spent at 30kts.

The trick to an economical days skiing is not to get heavy with the throttle between pulls. Towing at a steady 25kts and returning steadily to the skier rather that leaning on the stick makes a HUGE difference to the days fuel consumpion.

I now have the Suzuki COMMANDER gauges, made by Faria, it will be intersting to see how accurate they are.
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Old 02 June 2007, 20:10   #13
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I am not doubting your crusing figures but the WOT figures are pretty hard to believe. What sort of speed and revs are you doing???
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Old 05 June 2007, 02:02   #14
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On the Floscan, the immediate 'needle' reading at WOT would show 70l/h however, the 'fuel used' counter and on re filling at the pumps, it would equate to 45l/h.

Have to admit I'm strugging with the Commander gauges at the mo.... I can get the flo/used/trip fuel reading to say ANYTHING at all! must find the distruction booklet....
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Old 05 June 2007, 07:06   #15
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On the Floscan, the immediate 'needle' reading at WOT would show 70l/h however, the 'fuel used' counter and on re filling at the pumps, it would equate to 45l/h.

Have to admit I'm strugging with the Commander gauges at the mo.... I can get the flo/used/trip fuel reading to say ANYTHING at all! must find the distruction booklet....
70lh it is then - makes much more sense - obviously fuel used when you refill is for the whole trip unless you go straight to WOT after launch!!!
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Old 07 June 2007, 07:43   #16
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250 HP fuel consumption...

Thanks for the input guys.... I think I'd have real difficulty refraining from pushing that "laughing stick" and so I guess 300 quid boating days would be a distinct possibility!!

I think I need to put my sensible hat back on and take another look at the humble 6.3metre/ 150 HP family outfit....

All the best.....

Brian
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Old 07 June 2007, 08:48   #17
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Thanks for the input guys.... I think I'd have real difficulty refraining from pushing that "laughing stick" and so I guess 300 quid boating days would be a distinct possibility!!

I think I need to put my sensible hat back on and take another look at the humble 6.3metre/ 150 HP family outfit....

All the best.....

Brian

dont get too hung up on the wot fuel consumption figures, i have a 6.5 with a 200 opti and that returns on average around 1litre/mile, and that is a mixture of slow and fast and mucking about.

when i first looked at engines and the fuel they can use a wot i scared myself but in reality you use far less fuel as you can spend much less time at wot.

i would be surprised if you are spending 300 a day on fuel.

we can go out for the day, round a few places, round the iow and still use far less than 100 for the day
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