My Gs150 fuel tank has a problem fuel tank key dhakan key side sey petrol leak ho rha hai I tried every thing but it can't stop leaking, dhakan key rubber seal key nechey tube cut kar key fix ki hai yahan tak key new lid bhi lagaya hai per ab bhi petrol leak ho rha hai is wajah sey average bhi kharab ho gye hai ager 1 liter petrol dalta hoon to 38-40 km/l aati hai aur zyada petrol dalta hon tu average drop hoti jati hai yani time key sath petrol urta rehta hai.