There is more than one version of this Gas Gas stator for this specific model.
The measurements of your factory stator should be as following. The factory stator should look like the one in the photo( 11 pole stator including one larger wound pole).
If you are uncertian which stator you need then please contact us. The other version has a smaller outer diameter and 6 poles and an outer diameter of 58mm(see part G146) Outer diameter: 84mmInner diameter: 28 mmCenter thickness: 14 mm