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  Problem Filling Fuel Tank

Main.ProblemFillingFuelTank History

Hide minor edits - Show changes to output

Wed Mar 02, 2011 06:05 PM by achilleasds -
Sun Aug 09, 2009 04:11 AM by MATRID - changed description to indicate this explains the fuel tank design
(:Description This is for you if filling up leaves you with only half a tank! :)\\
Changed line 1:
(:Description This is for you if filling up leaves you with only half aAn explanation of the fuel tank! design :)\\
Tue Jul 14, 2009 10:04 PM by MATRID -
Added line 1:
(:Description This is for you if filling up leaves you with only half a tank! :)\\
Tue Jul 14, 2009 09:59 PM by MATRID -
Added lines 1-26:
Hi, I have a 2005 Multistrada 1000DS which gave me no end of grief due to a faulty roll-over valve.
Due to troubleshooting this I gained a good knowledge of the ins and outs of the fuel tank system, so
if you are having a problem with filling your fuel tank, here is an explanation to help you understand how the tank breather/overflow/filling units work:\\\
At the petrol cap you can see 3 relevant components: \\


3. A tiny hole in the cap that the grommet seals around when the cap is closed\\\

Under the pillion seat you will see 2 relevant components: \\
4. The fluid recovery reservoir (black box) \\






An explanation of these components:\\\



If interested read more on this (and the other components) in the patent application:
http://www.freepatentsonline.com/EP1466823.html \\\

Function of #5: This allows air in and out of the RHS tank. It has a spring-based float with a shut-off valve, so that when the tank is being filled the valve is open and allows air out of the tank (into the fluid recovery reservoir -#4) until the petrol rises to the top forcing the float up to seal the valve.