## Kick Start Gear for 139QMB/QMA (GY6 50) 4T Scooters This 7-tooth kick start gear is a crucial component for your 139QMB/QMA (GY6 50) 4T scooter. Designed for reliable engagement and smooth starting, this gear ensures your scooter fires up quickly and efficiently every time. It's a direct replacement for the original part, offering a perfect fit and dependable performance. This particular version distinguishes itself with a total length of approximately 50mm and a flat shaft design. ### Key Features and Benefits: * **Precise 7-Tooth Design:** Provides optimal engagement with the engine for a consistent and reliable starting experience. This design ensures smooth power transfer for quick starts, even in colder conditions. * **Durable Construction:** Built to withstand the stresses of regular use, this kick start gear is made from high-quality materials for long-lasting durability and resistance to wear and tear. * **Direct Replacement:** Easily installs as a direct replacement for the original equipment, ensuring a perfect fit and hassle-free installation in your 139QMB/QMA (GY6 50) 4T scooter. * **50mm Length Specification:** This specific version of the 7-tooth kick start gear is characterized by its 50mm length, making it suitable for specific models requiring this precise dimension. This ensures compatibility and proper function within the starter mechanism. * **Improved Starting Reliability:** Replacing a worn or damaged kick start gear with this high-quality component will greatly improve the reliability of your scooter's starting system, giving you peace of mind on every ride. ### Specifications: * **Number of Teeth:** 7 * **Total Length:** ~50mm * **Sleeve Diameter:** 10mm * **Outer Diameter:** ~33mm * **Sprocket Diameter:** ~17mm * **Compatibility:** 139QMB/QMA (GY6 50) 4T AC engine scooters This kick start gear offers a reliable and cost-effective solution to maintain the optimal performance of your 139QMB/QMA (GY6 50) 4T scooter. Invest in a quality replacement part and keep your scooter running smoothly for years to come.