This is a new old stock genuine Kawasaki KX125 1985-1993 26T gear.
This part is now discontinued and virtually impossible to locate an original Kawasaki gear such as this.
Part Number - 13129-1628 Output 4th 26T
1985-1993 KX125 Kawasaki MX
This may also fit other years but of that I cannot be sure.
Item will be dispatched by Royal Mail 1st Class Small Parcel
As with all items I sell they are genuine and as described. This item is the exact item in the photos.
Thanks for looking!