More likely the carbs need a good service.There are many of these bikes run by people who don't know this or other forums who may not know how to clean and set them up properly and even many motorcycle shops don't have the knowledge because of the age of the bikes.
1st thing to do is a general check around the bike,
http://globalcxglvtwins.hostingdelivered.com/viewtopic.php?f=9&t=72
and then if the trike still has the Air filter box make sure the filter and box are clean?
1st thing to do is a general check around the bike,
http://globalcxglvtwins.hostingdelivered.com/viewtopic.php?f=9&t=72
and then if the trike still has the Air filter box make sure the filter and box are clean?