GY6 125cc 150cc Flywheel Rotor For 6-Coil Magneto Stator For 152QMI 157QMJ Scooter Moped ATV Quad Go-Kart

Dimensions: The outer diameter of the copper part is 113.65mm (including lugs) or 111.45mm (excluding lugs), and the inner diameter is 18.8mm, which is suitable for GY6 series engines. Magnetic circuit design: The inner diameter of the magnetic zone of 85mm optimizes the magnetic field distribution and improves the stability of the ignition system. Material characteristics: The copper material with a weight of 0.9kg balances the conductivity and structural strength. Installation and adaptation: The center hole diameter of 25.7mm and the brass height of 41.3mm ensure that it matches the 152QMI/157QMJ engine standard. Functional features: As the core component of the ignition system, it ensures the reliable operation of scooters and light motorcycles.