I've decided to order them. A few reasons. I like a challenge and I love to tinker and there's really not much else to do to my 12GS. I've got the luggage, gear, no GPS, but I'd liek the big tank
. They are essentially like gravity fed units used in IBA events but contoured tank side panels and up front. I've placed my pre-order in and expect arrival sometime @ the end of March. More info gleaned from emailing TT.
Q. Hi there,
> Will the fuel pump, if required, be pre-installed and part of the kit
> or can a gravity fed set work? If a fuel pump isn't supplied, what
> output level of fuel pump is required? Does the prototype tap into the
> the fuel line or into the main tank? I'm assuming the fuel pump
> requires an external, to CANBUS, power source, meaning tapping into a
> fuse box or directly to the battery as well as a on/off switch of some
> sort, since the fuel pump won't work all the time, Right? So I'm
> guessing it runs fuel into a main tank vent with a selectable pump
> switch? That way you can add the fuel at will? Correct?
A. The original plan was to have it automatically pump into the main tank
when the fuel light turns on. But the latest word is that BMW is not
going to "allow" that.
So the current plan is that there will be a manual-switch operated pump
(included) that you turn on for a specified amount of time. I have no
idea how fast it pumps but if it is 2L per minute then for example you
would have to run the pump for 4 minutes.
I am certain that customers will figure out how to gravity-feed it. We
have some ideas, some testing has been done with gravity, but the kit
will be sold as "bolt-on" which requires a transfer pump.
To add to this Kaoko said this when I inquired if they were building one...
We have decided not to develop a tank for the R1200GS. It is too complex for our method of manufacture.
so the TT tank or the GS ADV are the viable options. I'll take the TT one, a little more capacity and a bit more interesting conversion, IMO.