Amazi yo mu kigega cy'amazi atetse, agomba kubanza gutinda hanyuma akayobora imodoka kuruhande rwumuhanda, ntukihutire kuzimya moteri, kuko ubushyuhe bwamazi buri hejuru cyane, bizaganisha kuri piston, urukuta rwicyuma, silinderi, crankshaft nubushyuhe burenze urugero, amavuta aba make, gutakaza amavuta. Ntugasuke amazi akonje kuri moteri mugihe ukonje, bishobora gutera silinderi ya moteri guturika kubera gukonja gutunguranye. Nyuma yo gukonjesha, shyira uturindantoki, hanyuma ushyiremo igice cyigitambaro gitose ku gipfukisho cya tanki, fungura witonze igifuniko cya tank kugirango ufungure icyuho gito, nkumuyaga wamazi usohoka gahoro gahoro, igitutu cya tanki hasi, ongeramo amazi akonje cyangwa antifreeze. Wibuke kwita kumutekano muriki gikorwa, witondere gutwikwa.
