If you ride a high-mileage Honda XR650 it might be soon that time to replace this convenient piece of rubber protecting your swingarm.
 
Better done early than late or worse, to discover you are already grinding your swingarm during a trip, the swingarm chain slider leads a tough life and needs attention at some point.
 
This piece replaces Honda OE part:
52170-MN1-681 Slider, chain