Some engines have the stator on the right hand side of the engine and others have it on the left hand side.
Stator is compatible with 50 - 110cc 4-stroke engines.

Specifications:
Center hole Diameter: 30mm.
Overall Diameter: 83mm.
Mounting Holes Spacings: 42mm apart (center to center)
Mounting Holes Diameter: 7mm.
Wiring: One group of 4 wires and another wire connected to another small module.