## Complete 80cc Engine, 430mm Cover, for 12" Wheel, Long Shaft, No EGR 139QMB/QMA (GY6 50) 4T This complete 80cc engine is the perfect solution for tuning enthusiasts looking to boost the performance of their scooter. Designed for 12" wheels, with a long shaft allowing installation under two shock absorbers, this engine offers a significant increase in power and dynamics. ### Performance and Reliability The 139QMB/QMA (GY6 50) 4T engine features a 4-stroke design, ensuring smooth and economical operation. The lack of an EGR system translates to higher power, and the automatic CVT transmission guarantees a comfortable ride. The engine is air-cooled, simplifying its design and maintenance. Additionally, the factory oil fill and included accessories, such as the manifold, CDI, coil, filter, and kick-start lever, make installation quick and easy. The engine has both electric and kick start. ### Key Features: * **Displacement:** 80cc * **Belt Cover Length:** 430mm * **Long Output Shaft:** Compatible with two shock absorbers * **Wheel:** 12" * **No EGR:** Increased power * **Pre-filled with Oil:** Ready to install * **Start Type:** Electric and kick * **Transmission:** CVT * **Cooling:** Air-cooled * **Oil Filter:** Strainer * **Spark Plug:** CR7HSA ### Installation and Maintenance After installation, the engine requires break-in. To maintain the warranty, installation should be carried out by an authorized motorcycle service center. Regular warranty inspections are essential to ensure long-lasting and trouble-free operation. This new 80cc engine is an investment in performance and riding pleasure. Ensure that the belt cover length matches your current engine (430mm) before purchasing.