My son has a TAO TAO 110cc. He ran it for a few days around the neighborhood with the choke on - no more than a hour over a few days. Now when he starts it, he needs to leave the choke on to keep it running. If we turn the choke off, the bike cuts off. Any ideas? It is 6 months old. tune up? fuel additive?

Thanks in advance,
Matt

 

Running with the choke on can soot the plug so try a new one. If it still needs choke once warm, the carb is partly blocked. Remove and clean the jets and passageways out properly, with an air line.