Hi there, I'm new to moto bicycling, I've recently purchased a couple of used bicycles both with 80cc Skyhawk motors from what I was told. Well I'm sure I'll have tons of questions to come i was wondering why my girls bike doesn't idle and how would I go about adjusting it? As she comes to a stop it kills the motor until of course she starts pedaling again. How do I get her bike to idle as mine does? From what I've researched both bikes have an NT carb.