nae tp sensor mai use nahi kar rha, pehle maine bike Lasbella mai aikmechanic ko de thi, us se sahi kaam nahi huwa, Timming out thi and kuch leakage waghera bhe thi, then Roosi Autos se karwaya hai. Chain bhe 520 hai and GS150 ka stock chain sprocket 15-43 hai mai 16-45 use kar rha hun, mere pas 43 wala bhe hai 520 mai, but engine run and tuniing k baad lagaonga..