## Kick Starter Shaft Bushing 14x18x21mm 139QMB/QMA (GY6 50) 4T - Junak This durable kick starter shaft bushing is essential for the smooth operation of the starting mechanism in your 139QMB/QMA (GY6 50) 4T engine scooter. The Junak brand guarantees high quality and long service life. ### Precise Fit The 14x18x21mm bushing fits perfectly onto the kick starter shaft, ensuring smooth and trouble-free operation. It prevents excessive friction and wear, which translates into a longer lifespan for the entire mechanism. ### Durability and Reliability Made of high-quality materials, the bushing is resistant to mechanical damage and corrosion. This ensures that your scooter's kick start will operate reliably even in harsh conditions. ### Easy Installation Installing the bushing is quick and easy, requiring no specialized tools or skills. ### Specifications: * **Length:** 21mm * **Outer Diameter:** 18mm * **Inner Diameter:** 14mm * **Brand:** Junak * **Compatibility:** 139QMB/QMA (GY6 50) 4T engines