743-20-30 Drive Belt for GY6 150cc ATVs Go Karts Scooters 150cc Quad 4 Wheeler 743-20-30 Belt. Top Quality Guaranteed. New 743-20-30 Belt; It fits for most Chinese GY6 150cc ATVs, Go Karts, Scooters Length: 743mm; Width: 20mm; Groove Angle: 30 Degree; Please check the pictures and specifications for compatibility before placing orders.