I failed to mention if one lacks upper body strength, it's not going to work. Been doing it my way for 45 years with 100% success.
I suppose some of us are just doomed to be little girly men, Mr. Schwarzenegger...
Anyhoo, back on topic, sort of: in any given group of motorcyclists, I'm nearly certain to end up as the designated mechanic. My tools and supplies are far more likely to be deployed on someone else's bike than my own.
So my tip for this and similar situations is that it's often worthwhile to carry tools that aren't necessarily needed for your machine. For example, some of my pals have taken to European motorcycles, so I added some torx bits to my kit, and I carry a 13mm socket and wrench that my Japanese brand bikes never need.
When I'm riding a bike with tube tires, I still carry my tubeless tire repair kit. It's just part of the kit and removing and replacing it would be an extra step, plus, someone I am riding with or even a stranger might still need it.
And on the topic of portable tool kits, I'd also say that it's very important to assemble your road kit using high quality tools. You could be depending on these tools for your safety to a much higher degree than you would in the comfort of your garage. If a cheap hex wrench slips in your garage, it's no big deal; you have options like a drill, plus you have plenty of shade, water, a fridge, a toilet, etc. Out on a remote road or trail, this could have life-altering consequences.
Pre-made kits are useless because they all include the cheapest possible tools and fluff the parts count with **** you don't need. You don't have to splash out on Snap-On, but make sure you carefully choose reliable stuff, not the cheap ****.