Tsayin saman fistan kambi ya ƙaru akan lokaci don tabbatar da yanayin Silinda. Saboda ƙarar saman ƙasa girma, adibas a saman ƙasar sun zama mafi m fiye ga guntu saman ƙasar injuna.The PC-zobe da aka gabatar tun 2000. (PS: Domin ci gaban na fistan za a buga a sabon topic.

An shirya zoben tsaftacewa na piston a saman silinda.An shigar da zoben tsaftacewa na piston don kare kariya daga yawan ajiyar ajiya a kan kambin kambi na fistan ta hanyar zubar da ajiyar kuɗi lokacin da piston ya kusanci cibiyar matattu (TDC).
Ana sabunta zoben tsaftacewa na piston tare da tarin gwaninta.