Tubes are a good idea, as is a gas can. It´s easy to take a wrong road up north, and you´ll run out of gas before you can say sh...! Having 2 or 3L extra is never a bad idea. Just imagine you have a breakdown, with low fuel already and need to have your engine running for an extended time to find the problem, just running out of gas when you fixed it.
On long runs I have additionally (for my AT and Missus´ Transalp)
- a pack of liquid metal with me for repairs on the cooler after a stone hit,
- a multimeter for electrical issues,
- a tiny 12V soldering iron (a set of soldering connectors which can be used with a zippo will do the trick at least on cables, too);
- 2 spokes per type (my AT has three different spokes in the rear wheel...),
- some rim protectors (such as those:
TYRE FITTING TOOL SET OF 3 - Louis - Motorcycle & Leisure ),
- a tiny bottle of dishwashing detergent packed with the tools for the tire works,
- a spare tire valve insert,
- a small compressor,
- a tire tube repair set,
- a tire(!) repair set (gummiworms)
- a tiny bag of Ballistol, available at bike stores here (40x40x3mm),
- a perfect small Stanley box with a 1/4 inch socket wrench and all the small inserts such as 8-14mm (I kicked the original, not required 12mm from the 8-13mm set and replaced it with a 14), allen etc.,
- a 3/8 inch socket wrench with a carefully selected set of larger-size inserts such as 15mm, 17mm, 19mm, up to the size of my rear wheel nut, an adapter 3/8 to 1/2 for the large-size nuts, some allen key sizes, just those I need for our specific bikes;
- some length of 1,5 square mm electrical wiring,
- a replacement mike and replacement helmet holder for our Cardo communication sets,
- a pair of working gloves,
- spare fuses (BRAND NEW, not from some dark corner of my basement), remember that cars nowadays have these supertiny fuses and the old fashioned stuff build for a man´s fingers is not necessarily available at every gas station anymore,
- a fuel pump electrical contacts set for the AT (you may have other bike specific parts which do not cost much, are tiny to pack but can save a trip);
a couple of ratchet tie-downs to secure the bikes on ferries etc.; on the smaller boats there are none available and shitty weather is not for others only; in any case they are good spare straps if a luggage strap gets lost;
a small tie-down strap to block the front wheel brake handle with on the ferry,
last not least my beloved Flaig tire pressure gauge (the model with the deflation valve, not the basic version!). It´s perfect to check the tire pressure in the morning with cold tires, and it´s perfect to set the correct pressure even at gas stations where there is a compressor available but where the gauge is typically not worth a damn. Just inflate the tire somewhat excessively and then deflate with the Flaig down to the perfect pressure. No dirty nose when taking the readout - just connect and remove the Flaig, the reading will be fixed until the deflation button is pressed. Its beautifully engineered and is in my tankbag at all times. The Flaig comes with either with the 45 degree or the 90 degree valve connector, the latter of which is perfect for the Africa Twin and Transalp; the 45 degree connector does not work as either the spokes or the brake disks will be in the way. However, this may be different on other bikes and the adaptor is easily exchangeable. This is the advanced model with the deflation valve, which allows to deflate the pressure with a real-time reading on the gauge to the desired value.
http://flaig.galgenkopf.com/index.ph...assventil.html . The basic model can only read the pressure and reset the reading to zero. This is not the original Flaig shop (which is under construction, it seems) but I have purchased from that company directly two years ago and they have been perfectly reliable and nice. Seems like their website is not available in English, but drop them a line in case of interest.
Sounds like much, but isn´t, if cleverly packed.
Cheers
Chris