Bepa remotokari refa ndechimwe chezvinhu zvikuru zvinoshandiswa mukugadzira mafirita emotokari, inozivikanwawo seyemotokari sefa bepa, iyo inosanganisira mhepo yekusefa bepa, injini yemafuta kusefa bepa, uye pepa refirita. Iresin yakamisikidzwa sefa bepa rinoshandiswa mukati meinjini dzinopisa senge mota, ngarava, uye tirakita, inoshanda se "mapapu" einjini dzemotokari kubvisa tsvina mumhepo, oiri yeinjini, uye mafuta, kudzivirira kusakara uye kubvaruka kwezvinhu zveinjini, uye kuwedzera hupenyu hwavo hwesevhisi. Nekukurumidza kusimudzira indasitiri yemotokari yepasirese, resin yakaiswa pepa sefa cartthridges yakagamuchirwa zvakanyanya uye yakagamuchirwa neindasitiri yemotokari mafirita pasi rese sechinhu chekusefa.