Isivalo sevalve yesitofu esiqhelekileyo siyinxalenye ebalulekileyo yendibano yevalvu. YS unokubonelela 12 iintlobo eziqhelekileyo iibhonethi ivalufa kaloliwe injector, kuquka 692 series, 130 series, 334 series, 051 series, 033 series, 349 series, 306 series, 1320 series kunye 518wp series kubathengi jikelele. Iyafumaneka kwii-injini ze-injini zezithuthi ezahlukeneyo zedizili. Indibano yevalvu yesitofu se-YS inesantya sokuphendula esikhawulezayo xa ulawula inaliti yamafutha kunye nokubuya kwepetroli, kunye nolawulo oluchanekileyo lomthamo we-injection ye-fuel kunye nexesha lokutofa kwepetroli, okuphucula ubomi besitofu samafutha kunye nokunciphisa iindleko zomsebenzisi.