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Fuel economy - 2002 CB500

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alexibrow
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Fuel economy - 2002 CB500

Post by alexibrow on Fri 13 Sep 2013, 9:21 pm



Updated live, until it's sold 

sullivj
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Re: Fuel economy - 2002 CB500

Post by sullivj on Fri 13 Sep 2013, 9:44 pm

I wondered what dropped the MPG from 69 to 59 recently?...


When I was on the Isle of Man, I averaged 34MPG over 270 miles.  You must ride REALLY carefully.
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alexibrow
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Re: Fuel economy - 2002 CB500

Post by alexibrow on Fri 13 Sep 2013, 9:56 pm

If I ride like a lunatic, I get 55mpg. The engine is set up really well and the bike is well maintained, these are really economical bikes and if you're getting sub-40mpg there's something wrong.

If I keep the speed below 75mph, with the big screen on, I can get 70mpg, but that was just for fun really.
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alexibrow
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Re: Fuel economy - 2002 CB500

Post by alexibrow on Fri 13 Sep 2013, 9:57 pm

I should also add, 30% of my riding is round town, and the rest is dual carriageway.

sullivj
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Re: Fuel economy - 2002 CB500

Post by sullivj on Fri 13 Sep 2013, 10:09 pm

Very interesting - thanks.  Mine seems to run OK, but I'm quite a big chap, which will probably make a difference.
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badseeds
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Re: Fuel economy - 2002 CB500

Post by badseeds on Fri 13 Sep 2013, 10:36 pm

sullivj wrote:Very interesting - thanks.  Mine seems to run OK, but I'm quite a big chap, which will probably make a difference.
I'm a salad-dodger and my 96,000 mile CB regularly returns 60mpg and it's always ridden hard. As Alexibrow says; if you're getting sub 40, there's a problem.
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eternally_troubled
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Re: Fuel economy - 2002 CB500

Post by eternally_troubled on Mon 16 Sep 2013, 1:07 pm

*Where* you ride, hence how much you have to accelerate, seems to make a big difference to my bike - on my 6 mile commute (mostly through town) I get 45 mpg.

On a recent (much more rural) trip with a pillion I got 55+ mpg, so I know my bike isn't broken, it's just my commute isn't very mpg friendly!
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glen.wilson1@gmx.com
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Re: Fuel economy - 2002 CB500

Post by glen.wilson1@gmx.com on Mon 16 Sep 2013, 1:39 pm

similar for me, i get 45mpg on my 7 mile comute but i do at least 80 most of the way lol.plus mines running a bit rich too.
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Gonzumzum
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Re: Fuel economy - 2002 CB500

Post by Gonzumzum on Tue 17 Sep 2013, 12:23 pm

Most of the times i always get around 52 mpg. Without special care on gas...
Best was around 57, on national roads but with overtakes and such included.
60 is def possible, but i will have to find place and time to go for that aim....
At least once i must get it!
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stormbringer
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Re: Fuel economy - 2002 CB500

Post by stormbringer on Tue 17 Sep 2013, 12:53 pm

Over the course of 6000+ british miles, mine has done 62.15 mpg on average (british ones, that is - los americanos do this calculation differently. And the remaining bits of the world use SI-units...).

Minimum mpg was 52 - definitely linked to a long ride on motorway, going flat out (110 mph) on several occasions.
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Gonzumzum
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Re: Fuel economy - 2002 CB500

Post by Gonzumzum on Tue 17 Sep 2013, 2:57 pm

Wow!

I must have done my calculations wrong...
Used a webstite converter. But did not pay much attention to it.
As we measure here, my average is around 4.5 liters per 100 km.
 
I checked another website and says 63mpg, so in agreement with ur milage now!
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stormbringer
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Re: Fuel economy - 2002 CB500

Post by stormbringer on Tue 17 Sep 2013, 3:34 pm

Gonzumzum wrote:<snip>
Used a webstite converter. But did not pay much attention to it.
As we measure here, my average is around 4.5 liters per 100 km.
Lack of standardization...

The world in general uses SI-units, but the brits and a select other few people (los americanos?) are still using feet, inches, yards and five-sixteenths-of-a-<foobar> to measure stuff. And they don't even agree on basic units of measure - see 'Gallon'. Thus the mpg-confusion.

I agree that using fractions comes in handy when doing calculations in my mind, but unfortunately calculators, computers and the like sort of lend themselves to another approach.

Oh well. Luckily there's websites like this to help out.

Using this, you'll see that my average of 21.66 km/l equals 4.62 l/100km - or 0.0462 km/l - or 1.963 (US)gp100m.

Having fun with numbers Smile
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alexibrow
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Re: Fuel economy - 2002 CB500

Post by alexibrow on Sun 13 Oct 2013, 11:07 pm

Bike now sold.

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