14. K-XCT 125 i FUEL SYSTEM (Auto Control Fuel Injection System) ROLL SENSOR The engine should be stall when the vehicle incline over 65° for safety. When you place the vehicle back to normal situation, you have to key-off and key-on the switch, then it can be restarted. Standard: Normal: 0.4~1.4V OVER 65°: 3.7~4.4 V Maintaining Special Notice Never adjust those two TP screws, those were adjusted to be the best condition by KYMCO, if change this condition it may cause instable riding. TP screws 14-16