If you need to replace the rear sprocket on your Husqvarna FE 350, follow this step by step guide. Be sure that the bike is off prior to beginning this repair. You will need a bike stand to do the repair and potentially a helper to place it on the stand.
Use the 27mm wrench to unscrew the nut that holds the axle together. This nut is located on the right side of the motorcycle at the end of the swing-arm.