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Old 14 July 2013, 10:52   #1
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Country: UK - England
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Yamaha 50 hp autolube fuel consumption

Hi can anybody advise what sort of distance I could get from my 5 meter rib with a 50 hp two stroke autolube yam on the back.Its got a 40 ltr inbuilt tank and a 30 ltr back up.If it was used at half to full throttle most of the time I'm just after an estimate as I know this is a crazy question any help would be appreciated.Oh it will be carrying two adults and three kids.

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Old 14 July 2013, 11:07   #2
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I had a tornado 4.8 with a yamaha 50 on the back. The 33L tank used to last about 40 - 50 miles depending on how I drove the boat.
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Old 14 July 2013, 12:10   #3
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Cheers should have a decent capability with 70 litres then. :-)

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Old 15 July 2013, 08:38   #4
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I get 0.8L/Nautical mile on avearage, but "budget" for 1!

If you got Power trim the engine's trim position will affect the consumption considerably - I was cruising in company recently with a similar set- up boat (5m / 60HP) that was trimmed right in - they drank 25L in the time it took me to drink C.16.....
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Old 15 July 2013, 18:25   #5
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Hi thanks for that I'm on the west cost of Scotland at the beginning of August on loch Sunart so I should get a better idea. :-)

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