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14 liters plastic tanks not holding 14 liter. Comments?

Started by stopintime, August 21, 2008, 03:52:43 PM

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stopintime

August 21, 2008, 03:52:43 PM
After twice "testing" available fuel before engine-stop (12.5 liters for me) I asked my dealer for an answer other than "that's normal".

They checked with Ducati and answered that the outside shape is the same as the metal tanks, the walls are thicker and the fuel cell is similar shape. Conclusion is that the amount of fuel is actually less than the advertised/owner's manual "14 liter". Ducati just didn't bother changing this piece of information.

A bigger problem is that the "reserve" is only 1.5 liters - not the announced 3 liters. On more than a few occasions I have had to follow the trip counter to plan my trips. It can be too late to find a gas station after the "reserve" light comes on (about 30 km range). It's still a mystery to me why Ducati uses a "reserve" light sensor/trigger that signals with only 1.5 liters left when it should be easy enough to have it adjusted/rebuilt to 3 liters "reserve". Ducati's response, through my dealer, is off course "that's normal".
252,000 km/seventeen years - loving it

ducatiz

#1
August 21, 2008, 05:04:46 PM
Filling my S2R up to the neck, I've put in 3.5 gal (US) before which is pretty close to 14 L.  I don't know what model you have, but mine seems close.  Fuel light comes on and I usually have about 40 miles until it starts coughing, which is about right for the claimed amount 0.8 gal which again is close to the claimed 3 L.

don't know why your resuls are different.. or mine?
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.

He Man

#2
August 21, 2008, 05:08:27 PM
Ever buy a Hard drive thats 320gb, but only get 290gb? Same story here.

The thing really does hold 14 liters. But lets take away 2 liters due to the size of the fuel pump. That leaves us with 12. Then lets take away the fuel that the fuel pump cant reach. thats another 1liter. so realistically you only have 11 liters.

or in US gals. its said to hold 3.8US gals. Realistically you can only fill up 3.000001 gals, unless you ride till your bike is dead. then its more like 3.19999 gals lol. that .2gals is just about 1 liter. So yea.

I dont know how Ducatizzz managed 3.5gal, but even when i was riding my biek to hte point where it shut of on me. i couldnt get paast 3.19 gals.
2006 Ducati S2R1100 Yea.... stunttin like my daddy CHROMED OUT 1100!!!!


Check out my Latest Video! 05/13/2017 :https://www.youtube.com/watch?v=P4xSA7KzEzU

ducatiz

#3
August 21, 2008, 05:15:17 PM
Quote from: He Man on August 21, 2008, 05:08:27 PM
I dont know how Ducatizzz managed 3.5gal, but even when i was riding my biek to hte point where it shut of on me. i couldnt get paast 3.19 gals.

It may have been like 3.4xxx but it was definitely more than 3.19 gal
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.

NAKID

#4
August 21, 2008, 05:20:53 PM
I'm with He-Man. I have RAN OUT of gas and put in just over 3.2G and that's filling up to the hole in the neck...
2005 S2R800
2006 S2R1000
2015 Monster 821

ducatiz

#5
August 21, 2008, 05:28:18 PM
hmmm i wonder if it would be possible to relocate the pump outside the tank?
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.

stopintime

#6
August 21, 2008, 05:31:16 PM
I can live with 3.2 gallons / 12.5 liters / anything close - which is what I have. Just unprofessional by Ducati not to be clear about it.

What I don't like is that the warning light doesn't come on earlier. Shouldn't be too difficult? According to Ducatizzzz it can be correct at 3 liters on some bikes. (Mine is '07) That would allow me almost 40 miles, which would be more practical.
252,000 km/seventeen years - loving it

ducatiz

#7
August 21, 2008, 05:32:47 PM
Quote from: stopintime on August 21, 2008, 05:31:16 PM
I can live with 3.2 gallons / 12.5 liters / anything close - which is what I have. Just unprofessional by Ducati not to be clear about it.

What I don't like is that the warning light doesn't come on earlier. Shouldn't be too difficult? According to Ducatizzzz it can be correct at 3 liters on some bikes. (Mine is '07) That would allow me almost 40 miles, which would be more practical.

seems you could fill it up all the way, then drain it to see what you get as a test, no?
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.

He Man

#8
August 21, 2008, 05:36:06 PM
Quote from: ducatizzzz on August 21, 2008, 05:32:47 PM
seems you could fill it up all the way, then drain it to see what you get as a test, no?

I did. (drained my tank to paint it) then filled it back up with 1 gallon (from those 1 gal water jugs) and rode 1/2 block to the gas station where i filled up ~2.35gals, and the bike would of spilled gas if i tipped it over on the sidestand.
2006 Ducati S2R1100 Yea.... stunttin like my daddy CHROMED OUT 1100!!!!


Check out my Latest Video! 05/13/2017 :https://www.youtube.com/watch?v=P4xSA7KzEzU

stopintime

#9
August 21, 2008, 05:43:41 PM
First time I trusted the 3 liter / 40 miles plan  [bang]
Second time I found a hill nearby with a gas station at the beginning of the climb. One day with an almost empty tank I just went up and down a few times until the bike stopped, rolled down and filled it (12.5 liters) to the overflow hole on the neck - with the bike on the sidestand, equals beginning of the neck when upright.
252,000 km/seventeen years - loving it

Statler

#10
August 21, 2008, 06:00:19 PM
If you can put the advertised capacity into an s4rs tank from bone dry I'll drink the contents.
It's still buy a flounder a drink month

stopintime

#11
August 21, 2008, 06:05:02 PM
Quote from: Statler on August 21, 2008, 06:00:19 PM
If you can put the advertised capacity into an s4rs tank from bone dry I'll drink the contents.

You, of all people, should know better than to put something like that in writing [laugh]
252,000 km/seventeen years - loving it

Statler

#12
August 21, 2008, 06:06:38 PM
Quote from: stopintime on August 21, 2008, 06:05:02 PM
You, of all people, should know better than to put something like that in writing [laugh]


hahahha.  yup...I must be pretty confident on this one.   ;D
It's still buy a flounder a drink month

Ducatiloo

#13
August 21, 2008, 06:13:34 PM
Quote from: ducatizzzz on August 21, 2008, 05:28:18 PM
hmmm i wonder if it would be possible to relocate the pump outside the tank?

+1 if it handle being in gas it should be able to handle being outside the tank.
750 SS 01    800 S2R 05  Aprilia RST 1000 futura

ducatiz

#14
August 21, 2008, 07:05:06 PM
Quote from: Ducatiloo on August 21, 2008, 06:13:34 PM
+1 if it handle being in gas it should be able to handle being outside the tank.

weren't some of the older monsters with an external pump?  or was that just the filter?
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.
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