ヤフオクでZ4買いました、大丈夫かな？I bought a cheap scooter at an auction and it was broken

今度のスクーターは大丈夫だろうか？＃スクーター I bought a cheap scooter at an auction and it was broken This scooter is 50cc but has 4 valves ＃整備　＃4バルブ＃修理 踏板車維修視頻