salam.all pak wheelers.main nay kal hi2008 efi engine rebuild kia hai plz guidr karin k ap mojy kon sa ol use karna chaya.new japani pistion or npr ki rings crink ka kaam bhi howa hai oil pump bhi japani dala hai.ap kia samjty hain engine kasa rahy ga?plz guide karin .mojy cars ki zayda samaj nain hai.