Journeyman
"And this one is just right" ~ Goldilocks
I once had to replace a new rear tire that was just a week old due to a nail. But first, I scoured the web trying to find the answer I was hoping for, that a plug was OK, and found it - that, AND convincing arguments from others that a replacement is the cheapest life insurance you can buy.
What finally convinced me was reading a thread like this, somewhere else, where one of the strong proponents of plugging, "yeah, been doing it for years" wrote a post the very next day (I am not making this up) saying his tire failed on the interstate at the point of the previous puncture. Needless to say, he joined the other side and with it took my hopes of saving $200.
You can do a lot of things over and over that are ill advised and get away with it, but it's that one time when the universe aligns against you that matters. While moving, you and your 800 lb bike are barely in touch with the earth, given the size of those two very small contact patches of rubber. It's often a shame when you lose just one of them.
When the motorcycle is upright, the contact patch is oval-shaped and can be represented by an easily identifiable point. Things get tricky at lean and when weight and cornering/acceleration/braking forces are added, all of which distort the contact patch. Photo courtesy of Dunlop
What finally convinced me was reading a thread like this, somewhere else, where one of the strong proponents of plugging, "yeah, been doing it for years" wrote a post the very next day (I am not making this up) saying his tire failed on the interstate at the point of the previous puncture. Needless to say, he joined the other side and with it took my hopes of saving $200.
You can do a lot of things over and over that are ill advised and get away with it, but it's that one time when the universe aligns against you that matters. While moving, you and your 800 lb bike are barely in touch with the earth, given the size of those two very small contact patches of rubber. It's often a shame when you lose just one of them.

When the motorcycle is upright, the contact patch is oval-shaped and can be represented by an easily identifiable point. Things get tricky at lean and when weight and cornering/acceleration/braking forces are added, all of which distort the contact patch. Photo courtesy of Dunlop
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