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Old 26 January 2014, 15:52   #1
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honda bf10 fuel efficiency

hi I'm looking into buying a honda bf10 to use with a honwave t35 sib and was wondering how many mpg i would get with this set up with one medium weighted person on the boat? also what speeds would this setup reach?

thanks jack.
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Old 26 January 2014, 15:56   #2
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I had a bf20, was super economical, a 22litre tank of fuel would last days and days when used in spain, never took any reading though
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Old 26 January 2014, 16:20   #3
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General rule of thumb is 1 US gallon (approx 4 litres) per 10hp per hour at full throttle. Less throttle = less consumption.

MPG? No idea, and no-one else will know either unless they have exactly the setup, weigh the same and drive the same, same prop pitch...etc etc. MPG is personal to your setup only.
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Old 26 January 2014, 16:46   #4
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Quote:
Originally Posted by Nos4r2 View Post
General rule of thumb is 1 US gallon (approx 4 litres) per 10hp per hour at full throttle. Less throttle = less consumption.
Yes. My 9.8 two smoke runs at 4.5L/hr at max chat. Honda should be a bit less.

As NOS says, MPG is fairly vague. However, I can put in a 20Nm trip and use less than 10 liters. Expect to be pleasantly surprised by the fuel usage. On longer trips I use a 12L main and carry a 5L can as a spare.

I'd guess that you will achieve 15-17mph on that rig, with the described load.
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Old 28 January 2014, 04:20   #5
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Hi Jack

You have probably established that the 10hp is going to be very economical by now. So... are you going for it?
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Old 28 January 2014, 08:43   #6
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10% fuel comsumption at wot on a 2 strokes engines is very conservative + 12% is closer to real world consumption and will vary from brand to brand. Consumtion will depend also on sea conditions, passengers weight, proper engine heigh and trim.

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Old 28 January 2014, 16:04   #7
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Hi Jack

You have probably established that the 10hp is going to be very economical by now. So... are you going for it?
thanks everyone for the replies i think i will be going for the 10hp honda unless i find that the 15hp is manageable to carry.

thanks jack
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Old 09 February 2014, 07:12   #8
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thanks everyone for the replies i think i will be going for the 10hp honda unless i find that the 15hp is manageable to carry. thanks jack
I got a bf15, is heavy to move any distance without a trolley. And awkward to get in and out of a boot on your own with a high risk of damaging your paintwork! That being said, I love mine and wouldn't change it.
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