Engine techinical words needed

Question

Two stroke
four stroke
piston ring
valves

Answer 1

de dos tiempos
de cuatro tiempos
aro de pistón
válvulas

Did you try looking these up'

Answer 2

The common name for piston ring is segmento.

Answer 3

lazarus1907 said:

The common name for piston ring is segmento.

I'm not certain, but I think that in Latin America (at least Mexico) aro de pistón is more common.

Answer 4

Much appreciated