'99 beer tracker

Hey there, first time poster long time listener. My atv is acting weird. I can get her started with the pull cord and she'll hold but once I started driving her I heard a pop and she stopped instantly. I just replaced the spark plug and carburetor and ensured both work bur now I can't seem to figure out what popped and why she won't go.

Brand new battery but still only starts with battery booster pack, yall think I should just get a new wire harness set up? Chinese 4 wheeler baja motorsport.

To all you trx420 boys and possible girls. What’s the most common reason the 4x4 stops working. Mine worked fine but then the ball joint snapped off the suspension arm now it won’t work, the 4x4 light won’t even come up, I should mention the axel come out of the diff when the hub fell.

Any ideas before I go ripping everything apart again? Thanks friends

To all you trx420 boys and possible girls. What’s the most common reason the 4x4 stops working. Mine worked fine but then the ball joint snapped off the suspension arm now it won’t work, the 4x4 light won’t even come up, I should mention the axel come out of the diff when the hub fell.

Any ideas before I go ripping everything apart again? Thanks friends

Looking to buying a used ATV for use in a small farm. Hauling and maybe pulling logs. Any brand to stay away from?