Here's the two bikes I picked up for my daughters birthday. I bought the MBX10 first and it's new. A few days later I found the DB30 on CL's The DB had been sitting for a while. The owner had installed a new carb. When I went to see it, it started on the 3rd or 4th pull. Today after I surprised my daughter, I changed the oil, cleaned the filter and plug (carbon), put fresh gas in it. Started and ran better. Still not 100%.