Hello dear scooter friends! I have a China scooter Baotian BT50QT9 and the following problem: Since today the scooter goes out when it is on the main edge. Depending on the mood and mood it takes approx. 2-6 seconds after I put it on the main stand until the engine is off. As long as it is then on the main stand, it no longer starts. Only when I take it from the main stand, it starts normally again. I know that the scooter has a switch on the side stand. Can anyone please tell me what it could be about?? Nothing was repaired or screwed or changed on the scooter. Yesterday it was still running normally on the main stand and no longer today… Thank you very much.