Isivalo sevalve yesitofu esiqhelekileyo siyinxalenye ebalulekileyo yendibano yevalvu.YS unokubonelela 12 iindidi 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 nokubuyiswa kwepetroli, kunye nolawulo oluchanekileyo lomthamo wokutofa kwamafutha kunye nexesha lokutofa kwepetroli, eliphucula ubomi besitofu se-fuel kunye nokunciphisa iindleko zomsebenzisi.