ZUUMAV S9-YK250: Built for High-Speed Off-Road Action
Equipped with a 249.9cc single-cylinder, four-stroke, water-cooled DOHC four-valve engine, it delivers a peak power of 30kW at 11,500 rpm and peak torque of 26N·m at 10,500 rpm, paired with a 13.9:1 high compression ratio—perfectly tailored for the "frequent high-revving and.........
