14. K-XCT 125 i FUEL SYSTEM (Auto Control Fuel Injection System) Connect the PDA or KYMCO Fi diagnostic tool. Into the Data Analyze item . Check if the ignition advance data is malfunction. (Key switch is ON then start engine until 80 ° C) If data was over 20 ° you can adjustment the air bypass adjustment 23.25 screw 1~1.5 circle.(counterclockwise) Don't adjust the air bypass adjustment screw over 1.5 circle. 14-17