So I don’t recall having this issue when I bought it (a couple days ago). It’s a 77 moby 40 20mph model. The last two days the moped would die if idling at a red light. I adjusted the idle screw and it’s idling now. But I can’t get it up to 20 mph only 15. And also within the last few days the clutch or is it the variator has been kicking, maybe it’s slipping. I’m new to the moped world so I’m trying to do my research before I ask questions.
Here is a video