filter lga lia hai tuh theek hai, aur fuel tank saf kry, mei ne try nh kia but youtube pe videos hai how to clean rusty tank, apko vinegar (SIRKAA) use krna pry ga, achi tara saf krny ke liye, and again rust na lgy us ke liye koishii kia kry ke fuel tank hamisha FULL rakhy aur bike wash krty waqt fuel cap ke pass panii na mary kary, waha se pass hu jta hai pani aur tank mei chala jta hai, fuel uper reh jta hai aur pani nichy reh jata hai becoz yeh dissolve nh hoty, phr rust lgna start hu jta hai.