Engine Motor Stator Side Cover Cap for 50cc 70cc 90cc 110cc 125cc Chinese ATV Quad Sunl Taotao Roketa Coolster Engine stator side cover set Fits most 50cc 70cc 90cc 110cc and 125cc Chinese made ATVs Also fits 110cc and 125cc dirt bikes Outside diameter (large) 36mm; Outside diameter (small): 20mm Come with o-ring seals.