Sports: RE: [DucatiST] Re: fuel overflow

Coefficient of thermal expansion (volumetric) for gasoline: 0.069% per degree F

I have had this happen if I fill it right up to the bottom of the filler neck with the bike up straight then drive 1/4 mile home and park it on the side stand.

-Steve

From: st2_owners@yahoogroups.com [mailto:st2_owners@yahoogroups.com] On Behalf Of Ian Ellison
Sent: Saturday, June 30, 2012 4:41 PM
To: st2_owners@yahoogroups.com
Subject: RE: [DucatiST] Re: fuel overflow

Given that fuel in an underground tank will be very cool, just coming up to ambient can be enough to make it expand and overflow.

From: st2_owners@yahoogroups.com [mailto:st2_owners@yahoogroups.com] On Behalf Of doghaus@rivernet.net
Sent: 30 June 2012 15:27
To: st2_owners@yahoogroups.com
Subject: Re: [DucatiST] Re: fuel overflow

Leaving a newly filled tank sitting in the sun will also cause the fuel to expand and overflow. I lost more of the cheap vinyl graphics off of a Pantah tank that way.

The other thing is if you fill the tank to the brim with the bike on the centre stand, and then park it on the side stand, (or nose up or nose down on a hill) that may be enough to cause the overflow.

Dave G
aka The Goochman

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