yeah, ride times are usually posted a few days in advance. at one point there was a myspace page, too, but i dont know if its still going.
anyhow, one of the keys to a nicely functioning moped is a clean carburetor. just a flecks of dirt in there can screw everything up. luckily, this is a super east fix.
if you are on the jamaica plain side of boston, i can help you with this. if not, i can still help, but not today.