1Wide Application: The kick start gear assembly fits for GY6 50CC 80CC Scooter Moped and fits for 139QMB or P139QMB 4 stroke engine to better meet your needs. 2Complete Kit: The kick start lever gear assembly consists of start gear, start clutch, foot pedal kit Idle gear and spring for stable performance, delivering a better driving experience. 3Durable Materials: The kick starter idle gear set is made of iron materials with sturdy construction, not easy to deform or damage, long lasting to use. 4Humanized Design: The kick starter pedal comes with grooved surface which is highly anti slip for safer driving. Ergonomic design to reduce driving fatigue. 5Great Replacement: Heavy duty kick starter lever is carefully engineered and produced, applicable to various environments and terrains, direct replacement for original.