baja db30 6.5hp

I'm in the process of restoring an old eb30 doodlebug the float in the carburetor was getting stuck but after taking it apart and cleaning it that's been remedy but now the gas valve on a carburetor is leaking even when switched into the off position. What can I do to fix this? I'm new to...

ok so I have a 212cc predator with a jet kit from OldMiniBikes warehouse and an air filter from studz.... and it is running terrible for some reason! the only thing I did was change those 2 things. When I go full throttle it feels like something is holding it back... like not enough air or something. Can...

Im tryin to figure out if it is possible to put a honda 6.5hp clone on the db 30 baja. Im trying to avoid buying a mounting kit. Can anyone give me some help on installing one.