Installed the IMS 3.1 gallon tanks. They fit great. No need to go into detail except I've read the stories about dropped tanks and broken fuel pump spigots. So I lassoed the tank to the handlebars while struggling the fuel line off the spigot:
One thing I did that may be of interest is I installed a "raceway" for running the Garmin power cable from the battery up to the coolant overflow bottle area. I used 3/8" OD air brake tubing. It is crush/kink resistant and large enough for two 14 AWG conductors or one Garmin power cable. This way I can replace/change things without lifting the tank:
Busy down at the battery. Photo shows fused Garmin power cable, single throw/single pole 10 AMP rated micro switch and fused battery maintainer connector. The Garmin 276C draws enough power to drain a motorcycle battery. Don't ask me how I know.
I need to be able to cut the external power to the 276C and let it go to it's own internal battery (like during a long photo or lunch stop). I didn't want to chop into the looms behind the headlight and I didn't want the external power to come from a closed ignition switch. Diane runs a little Garmin GPS III Plus so no switch necessary on her bike.
The big, honkin' 276C mounted to the handlebars via a Touratech mount. I took this picture sitting in the riding position. All this jive is proven on my previous dual sport ride... a Honda XR400. You can see the elevation in feet where we live.
External power switch is "on" (closed) showing 11.7 volts from the motorcycle battery with engine off. (Not shown: 13.4 volts with engine idling).
Forgot to take a picture of the installed switch. I'll post one later.