I-YS i-double-cylinder fuel injection pump, umzimba wempompo wamkela ukuphosa koxinzelelo oluphezulu, xa kuthelekiswa nobuchwepheshe bendabuko, inxalenye ye-flange sleeve efakwe kumzimba wempompo iyasuswa, isihlalo sevalve yokuhambisa ifakwe ngqo kumzimba wempompo, usebenzisa iindawo ezidibeneyo gwema ukugqoka ngokuvuza kwamafutha okubangelwa ukusebenza kwexesha elide, kwaye inani leengxenye liyancitshiswa, ixabiso lofakelo lwabasebenzi liyancitshiswa, kwaye izinga lokungaphumeleli liyancitshiswa.