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I just bought a kymco agilty50 2018 second hand. Everything in the engine bay looks clean. The problem I'm having is with the throttle power. On flat land the bike runs but only if I rev it continuously. The bike turns off if its idle or attempting to go up any hill. Unfortunately I dont know much about bikes yet. I'm wondering if it might be a fuel filter issue, air flow or what? Thanks in advance for any help I can get