I have a KTM duke 200 Bs IV non-abs my bike starts ok , i have check

I have a KTM duke 200 Bs IV non-abs my bike starts ok , i have check injection,fuel pump, tps sensor , plug and plug cap , ignition coil , air filter , plus i have installed new battery but still my bike starts very fine no problem with the engine but it sometimes power lag like low combustion or like bike try to hold the power and then suddenly its again goes smooth

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