Key Features Engine & Drivetrain Excellent mass centralization"Ultra-high RPM, 149 cc engine is one of the most advanced in the sport; its unique 4-valve, Unicam design gives it very compact dimensions and excellent mass centralization for effortless direction changes on the ground or al....
Key Features Engine & Drivetrain Excellent mass centralization"Ultra-high RPM, 149 cc engine is one of the most advanced in the sport; its unique 4-valve, Unicam design gives it very compact dimensions and excellent mass centralization for effortless direction changes on the ground or al....