Interesting video on fixing cross threaded spark plug hole, "BACK TAP"

[harley_cruiser]

Taps from the back to the front to keep shavings out of cyinder.
https://youtu.be/njkT3TW3kKk

[Alien]

Interesting!

I don't need one but kinda want one?

[sfmichael]

neat tool development - first I've seen of it 

[harley_cruiser]

neat tool development - first I've seen of it 

It was briefly mentioned here about 8 years ago by FSG, in a thread about stripped threads, but I thought deserved another view.

[TXChop]

I have had one for a few years. Save my but a time or few with it.

[rbabos]

Cool tool. On that particular bike (Shadow) I slip a short hose over the plug so I have a finger hold away from the cover.
Ron