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23mpg ?

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Old Mar 19, 2012 | 08:19 PM
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Default 23mpg ?

Just picked up my first bike, sportster forty-eight bone stock with 2000 miles on it. So far I put about 90 miles on it and noticed the mpg suck. I filled it up and reset the trip and after 40 miles the low fuel light came on. I filled it back up, did the math and I'm getting 23mpg. Is this normal? All riding was in the city and I only got on it hard a few times.
 
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Old Mar 19, 2012 | 08:29 PM
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That seems a little low. Is it stock or does it have after market exhaust, air cleaner and AFR management?
 
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Old Mar 19, 2012 | 08:42 PM
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100% stock
 
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Old Mar 19, 2012 | 08:57 PM
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Ive seen people post this before in here a lot of them figured out it was just the gas sensor in the tank. Are you actually seeing your low on gas or just depending on the light?
 
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Old Mar 19, 2012 | 08:58 PM
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Don't use the low fuel light as your gauge. Set the trip meter and use that. Also, if you're ripping around town and not really getting any cruising, 23mpg is possible.
 
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Old Mar 19, 2012 | 09:12 PM
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that is low... my guess is that your calcs are off. if you still have that kinda mileage after a few tankfuls then something is wrong.
i have pipes, sucker and fuel management on my bike- and intentionally set it to run richer than "normal"- more performance than economy for sure... i have a very heavy right hand. usually ride it like i stole it, and i rarely see as low as 30 mpg.
 
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Old Mar 19, 2012 | 09:17 PM
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WOW. My friend gets 50-60 on wis 02 883.
 
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Old Mar 19, 2012 | 09:36 PM
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Originally Posted by 2LO4SNO
Just picked up my first bike, sportster forty-eight bone stock with 2000 miles on it. So far I put about 90 miles on it and noticed the mpg suck. I filled it up and reset the trip and after 40 miles the low fuel light came on. I filled it back up, did the math and I'm getting 23mpg. Is this normal? All riding was in the city and I only got on it hard a few times.
Congrats on the bike.

As for the mileage, I too have a 48 that gets a fair amount of city miles. If I fill it without really topping it off and do a lot of stop and go riding, my light also goes on around 40 - 45 miles.

I suggest that you top it off with 91 octane, reset your trip odometer, put 30 to 35 miles on it, then go refill it with 91 and see how much it takes. I bet you'll be close, but not over a gallon.

Don't worry. Nothing is wrong. Ride safe and enjoy!
 
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Old Mar 19, 2012 | 09:39 PM
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I filled it up and reset the trip. Rode about 40 miles then filled it back up (took about 1.5 gal) and did the math, 25.25 mpg. Low fuel light came on again after 39 miles.
 
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Old Mar 19, 2012 | 09:45 PM
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* 23.25 mpg *
 
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