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Fuel variations in the district (and the burbs)

Started by deepak8612, August 19, 2011, 12:22:27 PM

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deepak8612

August 19, 2011, 12:22:27 PM
Was out in alexandria couple nights ago for a work networking deal. Low gas warning comes on as I leave around 9ish.. stop by the first gas station I see, think it might have been a exxon. Fill up and have no issues the rest of the way home. Next day no issues in the morning, but was leaving work in the afternoon to go grab some coffee and the bike stutters and rpm's go way down. Engine dies on me. siphoned out the fuel and refilled at my usual gas station and everything is all good. im assuming that nasty additives/water were the cause. anyone have issues with different gas stations?

Do you stick to any particular ones in town?

bikepilot

#1
August 19, 2011, 12:24:07 PM
I've never had a problem with fuel anywhere in NoVA.  Also, given how much you rode before you had a problem, I think it very unlikely that your issues were related to fuel quality. 
2009 XB12XT
2006 Monster 620 (wife's)
1997 TL1000S
1975 Kawasaki H1 Mach III
2001 CR250R (CO do-it-all bike)
2000 XR650R (dez racer)
2003 KX100 (wife's)
1994 DR250SE (wife's/my city commuter)

ducatiz

#2
August 19, 2011, 12:38:46 PM
i have to agree. 
Check out my oil filter forensics thread!                     Offended? Click here
"Yelling out of cars, turning your speakers out the window to blast your music onto the street, setting off M-80 firecrackers, firing automatic weapons into the airâ€"these are all well and good. But none of them create a merry atmosphere of insouciance and bonhomie quite like a revving motorcycle.

deepak8612

#3
August 19, 2011, 01:11:59 PM
Quote from: bikepilot on August 19, 2011, 12:24:07 PM
I've never had a problem with fuel anywhere in NoVA.  Also, given how much you rode before you had a problem, I think it very unlikely that your issues were related to fuel quality. 

I didnt have any problems on the way home(~5 miles) save some popping which maybe have been an indication of the bike running lean. correct me if Im wrong.. doesnt water and gas separate when left to sit? If thats the case.. water which is denser should separate to the lower layer. If so, I should have had issues in the morning. did have some popping on the way to work (less than 2 miles). But after work, i pulled out of the lot and bike dies.. push it over to the curb and turn it off and let it sit for a while and it starts up after one fail. Maybe I mixed the gas in the tank? Ride over to gas station and siphon out fuel and refill with gas, and no popping and it runs fine. Jst my theory.

Maybe its the fuel pump?

ducatiz

#4
August 19, 2011, 01:16:16 PM
water and gas separate but that won't happen super fast

if it had already separated when you pumped it, then it would have been all water (from the bottom of the tank) and your bike wouldn't have run at all

it's possible you had some residual moisture in your tank and it worked its way into the pump

that's my guess

Check out my oil filter forensics thread!                     Offended? Click here
"Yelling out of cars, turning your speakers out the window to blast your music onto the street, setting off M-80 firecrackers, firing automatic weapons into the airâ€"these are all well and good. But none of them create a merry atmosphere of insouciance and bonhomie quite like a revving motorcycle.

The Mad King Pepe'

#5
August 19, 2011, 01:28:39 PM
Quote from: deepak8612 on August 19, 2011, 01:11:59 PM
Maybe its the fuel pump?

Could be the battery... Fuel Injected bikes get fussy when the battery voltage gets low.
First they came for the Socialists, and I did not speak out-- Because I was not a Socialist.
Then they came for the Trade Unionists, and I did not speak out-- Because I was not a Trade Unionist.
Then they came for the Jews, and I did not speak out-- Because I was not a Jew.
Then they came for me--and there was no one left to speak for me.

twolanefun

#6
August 22, 2011, 09:28:24 AM
Quote from: The Mad King Pepe' on August 19, 2011, 01:28:39 PM
Could be the battery... Fuel Injected bikes get fussy when the battery voltage gets low.

Agree, could also be some crap floating around in your tank. - Gene
"I know a few roads"
92' PASO 907ie
02' M900 54K+ Miles
04' ST3 58k+miles - Sold
01' Victory Sportcruiser 30K miles, 04' Victory Kingpin - 111K+ miles
09' XR1200 - 15K+ miles
13' Diavel - 13K+ Miles Pay attention and things will be okay
EX-MSF Instructor, EX-President MAD
AMA Charter Life Member, Patriot Guard Rider
Victory Motorcycle Club, Charter Member
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deepak8612

#7
August 22, 2011, 02:46:45 PM
Quote from: twolanefun on August 22, 2011, 09:28:24 AM
Agree, could also be some crap floating around in your tank. - Gene

So.. it happened again today. Not the fuel. The battery is new -- so not the battery. Im thinking fuel pump/line? Any ideas for diagnostics?

The Mad King Pepe'

#8
August 22, 2011, 03:40:52 PM
I think the following pretty much covers it all.

1. dirty fuel filter
2. dirty injectors
3. malfunctioning fuel pump
4. wiring (or sensor - air, labda, whatever) issue that affects the two above.

First they came for the Socialists, and I did not speak out-- Because I was not a Socialist.
Then they came for the Trade Unionists, and I did not speak out-- Because I was not a Trade Unionist.
Then they came for the Jews, and I did not speak out-- Because I was not a Jew.
Then they came for me--and there was no one left to speak for me.

bikepilot

#9
August 22, 2011, 03:54:05 PM
Add fuel tank vent to that - if air can't get in the tank as fuel is used up it becomes difficult to use up more fuel. 
2009 XB12XT
2006 Monster 620 (wife's)
1997 TL1000S
1975 Kawasaki H1 Mach III
2001 CR250R (CO do-it-all bike)
2000 XR650R (dez racer)
2003 KX100 (wife's)
1994 DR250SE (wife's/my city commuter)
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