OKO High Torque GY6 Starter Motor

OKO High Torque Starter motor for 150cc and 125cc GY6 4-stroke QMJ152/157 QMI152/157 engines. This Starter Motor is recommended for any GY6 with a Big Bore Kit or Stroker Big Bore Kit. Bolt Hole Spacing: 78mm Shaft Length: 18mm Shaft Diameter: 11.5mm Diameter (near o-ring): 30mm Number of Splines: 9