Rotax FR125 Engine Sprocket
The AFAM and KartMaster come with the Pin and Hex Nut. The OEM is just the sprocket only.
Please note that if you are switching to a 11t sprocket you will need to order the 11t thrust washer and the plain bearing. The 12,13,14,15, and 16 tooth all use the Needle cage Bearing and the 12-16t thrust washer.