CG Outer Limits?

[Weldangrind]

I don't speak Portuguese, but I don't have to in order to enjoy this video; I find myself grinning from ear to ear. Can anybody provide a rough translation? I'd love to know what the sleeve and piston are out of.

https://www.youtube.com/watch?v=KzVn9PY-Ses&t=10s

[humanbeing]

I don't know ANY Portuguese BUT Google Document Voice Recognition said
'99 Titan 150 [84*64] ie. Forget it... These engine found later https://en.wikipedia.org/wiki/Honda_CRF150F only in Canada/ USA...

[Weldangrind]

HB, any guesses about what piston and sleeve were used?