A Honda Gold Wing is no light motorcycle.  Add to that a 250 lb driver and a 150 lb rider, California Sidecar trailer, a full-size Harrigan Side Car, a 125 lb kid and luggage for all and a headwind and I'd seen my mileage dip down to under 20 MPG.

After attending a few rallies and talking with other riders who complained of the same issue, I came up with an idea.  Why not put a secondary fuel tank in a saddlebag, throw in a fuel pump to transfer the gas from the secondary tank back into the primary and see what happened.

Well, although this was done back in 1996, it still holds true today.  Of course, you'll use this only for ideas for your particular motorcycle.

Here's a rough schematic of the plan:

The tank I used was found at an Off-Road/Dune Buggy site in my hometown.  You can find them easily on the Internet.  They'll look something like this:

If you've got room in a saddlebag, I mounted mine like this:

I wired a switch to my dash that would activate the small fuel pump and that would transfer the fuel from the 3.5 gallon auxiliary tank into the 'wing's main tank.  You just keep on cruising and watch your fuel gauge fill back up.  The extra weight in the bad was never a problem.  Here are a few other pictures:

Good Luck!  Ride Safe!