Kukho ii-injini ezintathu zokukhwela emotweni, ezinoxanduva lokuxhasa ngokuqinileyo i-injini kunye nokuhanjiswa. Izinyusi ezintathu zisasazwa enye kwicala ngalinye kwaye enye ikwindawo esezantsi ephakathi. Ngokubhekiselele kuhlobo, ukunyuswa kwe-injini kunokwahlulwa zibe ziindidi ezimbini: ii-torsion mounts kunye ne-injini yokunyusa.
Izinyusi zeTorsion, njengodidi lwesiqhoboshi se-injini, zihlala zifakwe kwi-axle engaphambili ngaphambili kumzimba wemoto kwaye ziqhagamshelwe ngokuqinileyo enjinini. Ubume bayo bufana nentonga yentsimbi kwaye ifakwe kwicala le-injini, ehluke kabukhali kwiirubha zodidi lwe-injini{1}}ezifakwe ngqo ezantsi enjini. Isici se-torsion mount kukuba ifakwe ne-torsion mount glue, owona msebenzi uphambili utyhutyha ukutshatyalaliswa, ngaloo ndlela kuphuculwe ukuzinza kokuqhuba kwesithuthi.
Ukuthetha malunga nomsebenzi wokunyuka kwe-injini, abanikezeli kuphela inkxaso ezinzileyo ye-injini kunye nokuhanjiswa, ukuqinisekisa ukuzinza kunye nokhuseleko lomsebenzi wabo, kodwa bathwala ubunzima bezi zixhobo ezimbini ezinkulu. Into ekhethekileyo malunga nentaba ye-torsion kukuba inokumelana nobunzima obuninzi kunye noxinzelelo, ngelixa inomsebenzi wokufunxa ukothuka. Ukunyuswa kwe-injini kugxile ekufunxeni ukothuka kunye nokukhusela. Ifakwe ngokuthe ngqo ezantsi kwe-injini ukunceda ukunciphisa ukungcangcazela ngexesha lokuqhuba kwaye yenze injini iqhube kakuhle.
Ngokubanzi, ukunyuswa kwe-injini yinxalenye ebalulekileyo yesakhiwo semoto kwaye kubalulekile ukuqinisekisa ukusebenza okuqhelekileyo kwemoto. Nangona isibiyeli se-torsion kunye nokunyuswa kwe-injini zinemisebenzi eyahlukeneyo kunye neempawu, kunye zibonelela ngenkxaso ezinzileyo kunye nefuthe elisebenzayo lokufunxa ukothuka kwemoto, ngaloo ndlela kuphuculwe kakhulu ukuzinza kwemoto.