As far as torx goes, pick up a set of the correct driver bits and a conventional socket which the driver bits fit into. You can easily eliminate 1lb. of useless metal, at least. This will also allow you to properly torque any fittings whenever you get a chance, later, to have access to a torque wrench. A folding single tool with various torx keys is not going to allow you to do this. Make sure you have a PDF of your manual on your phone. That copy of your manual weighs nothing. Learn how to bypass both your sidestand switch and your fuel pump controller. Carry those instructions as a PDF on your smartphone. You can make a plug and play fuel pump bypass very easily. Depending on the type of portable air pump you have, a set of bike battery jumper cables (easy to make) can do double duty as the power source for the air pump. I gutted a cheapo Chinese plastic covered air pump from a grocery store, took off the useless pressure guage and sealed that opening, and presto! For less than 10 bucks a pump that will inflate a tire in less than 5 mins. Takes up next to no room and hangs off the footpeg. Alcohol base hand cleaner can be used for both clean up and to "wash" your hands after visiting the convenient shttr behind the cactus or a Pemex with no soap. Don't forget the best tool for you body is fresh water, make sure you are carrying at least a liter, in the aforementioned Camelback set up or in any other container.