Transmission oiri inotonhorera basa
Nekuti oiri ine thermal conductivity uye inogara ichiyerera mujini, iyo inotonhorera yemafuta inoita basa rekutonhora muinjini crankcase, clutch, gungano revharuvhu, etc. Kunyangwe kune enjini-yakatonhorera injini, chikamu chega chinogona kutonhodzwa nemvura. silinda musoro uye cylinder madziro, uye zvimwe zvikamu zvichiri kutonhodzwa nemafuta anotonhorera.