I got this bike for less than 6 months and it's already breaking down. Hahaha don't get me wrong I'm not elitist, I like it but there's just something so good to be true about bikes like this. In that span I already replaced the battery 2 times tryna justify this purchase hahaha and then fixed the carb too. But then the battery goes stale even though it still is charged? What seems to be the problem?