Gas filling with petcock equipped R bikes.

dickotten · Mar 16, 2012

Not knowing the internal design of the gas tank, the question is simply-when filling with gas does it make any difference whether the petcock is set to normal or reserve?
Would you run for a short period with the setting on reserve to get rid of "stale gas', or does all gas flow through that part of the tank anyway? tia

lkchris · Mar 16, 2012

Not a bit.

ISAMEMON · Mar 16, 2012

it will all be mixed on the first bump

stanley83 · Mar 16, 2012

Tank Design

The Airhead tank has a cross section of an inverted "U" with a petcock at the bottom of each side. Each petcock has two input tubes, the long one for "normal" and the short one for "reserve". This allows crap to settle to the bottom of the tank and not be drawn into the fuel system. Hope this helps visualize things.

20774 · Mar 16, 2012

Plenty of petcocks shown on Duane's page to get a sense of the straws that stick up in the tank.

http://w6rec.com/duane/bmw/petcock/index.htm

bikerfish1100 · Mar 16, 2012

and, as has been implied, it is one single large container.
if you were on reserve, flip to "on" so that you have a reserve to work with after a few more hours of riding. otherwise, you might find yourself pushing the bike to the next gas station.

dickotten · Mar 16, 2012

Petcock question

Thanks. All is clear. Now just sitting around waiting for R100RT to be delivered to day.

Walking Eagle · Mar 16, 2012

Congratularions!

One of the very best days is the one when you take delivery of a new ride. And, an Airhead???

Excellent.

Walking Eagle

Gas filling with petcock equipped R bikes.

dickotten

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lkchris

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ISAMEMON

Grammarian no, Rider yes

stanley83

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20774

Liaison

bikerfish1100

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dickotten

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Walking Eagle

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