feul usage

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snowy
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feul usage

Postby snowy » Thu Jul 11, 2019 9:12 pm

Evening gents
Just took my latest bike , a K100 special, for its shake down cruise in my care, filled the tank up to the brim, at 196 miles the 4ltr low fuel light came on, lucky I was at Duxford on M11 and was able to fill her up at Sawston, now my question is, is that about what I can expect from a tank full of go go juice?.
I know it is dependant on how the right wrist works, we ( my bro on his gs1150) got to London from Peterborough, don't get me going about the state of the roads and moronic drivers! got down without any fuel issues so perhaps I should have topped up when he did, but as I say it was a shack down cruise and I wanted to check it out.
Ant thoughts from you learned gents please
ta

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snowy
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Re: fuel usage

Postby snowy » Thu Jul 11, 2019 9:13 pm

better if pinkies weren't so tired

King Herald
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Re: feul usage

Postby King Herald » Fri Jul 12, 2019 12:44 am

What size is the fuel tank, is most obvious question? And the mpg? Don’t leave us to do your maths for you.

My 1100r oil head gets 50 mpg, but my big heavy diesel Ford Mondeo also gets 50mpg....
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gogs01
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Re: feul usage

Postby gogs01 » Fri Jul 12, 2019 3:27 am

I am in the habit of zeroing a trip meter every time I fill the tank. That way, the first check is seeing what the trip counts up to when the low fuel light comes on. For the same kind of riding, the number of miles should be similar. Then, when I fill up I divide the number of miles on the trip by the number of litres to fill. If the answer is 10 (miles per litre) then I'm getting just over 45mpg. If 11, then it's (approximately) 50 mpg, 12 would be 60 mpg etc etc.. Simple mental arithmetic. If the miles to low fuel or the mpg changes significantly I have to explain this away. Either my riding style has changed or the bike has an issue which I need to investigate.

Without ever having owned a K bike, and not knowing the tank size or your riding style, I would have thought that approximately 200 miles to reserve might be reasonable. Hope it all works out well for you !
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george baker
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Re: feul usage

Postby george baker » Fri Jul 12, 2019 10:37 am

Hi
my K75 does 50 + to the gallon, I would expect your 100 to do the same-ish

Tank is about 22L so 220+ miles per tank full. My trip meter does not work so rely on luck, a good memory, and fear!

BUT the floats for the reserve light can get bent and turn the light on early

Do what gogs01 says fill the tank, zero the trip meter, refill when the light comes on. Miles/Litres will tell you what your range is.


George
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King Herald
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Re: feul usage

Postby King Herald » Fri Jul 12, 2019 6:50 pm

I used to calculate mine every refill, but not any more, and I can tell by when the fuel light comes on as to how naughty I have been. :grin:
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snowy
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Re: feul usage

Postby snowy » Sun Jul 14, 2019 7:30 pm

Thanks for all of the input, I know I could have worked it out but just wanted to see if you gents were getting something similar, next time I will do the maths my self.

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george baker
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Re: feul usage

Postby george baker » Tue Jul 16, 2019 10:09 am

Hi
you never told us how many litres you put in for the 195 miles

George
Member 21, R100R, and an unused K75

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CharlieVictor
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Re: feul usage

Postby CharlieVictor » Sat Jul 20, 2019 8:45 am

Hi
you never told us how many litres you put in for the 195 miles

George
That would be the math.... :lol:

For those who don't know how to do it.... (and I'm surprised how many don't...):

- Fill to the brim. Odo to zero.
- Ride for any distance, it's somewhat irrelevant, but try to cover at least 100, 150 miles for the measure to be significant in relation to your riding style and the type of road covered..
- Fill to the brim. Check exact mileage.
- You burnt whatever quantity you needed to refill the tank, to cover the mileage you have covered since you last fueld up. Let's say for the sake of the argument, 4 gallons and you covered 110 miles

The formula for miles per gallon is then:
(1x110)/4 = 27.5 miles per gallon.

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