man - what kind of bike? My buddy is having a similar issue with his YZ250F - he keeps burning plates - like to the tune of a 2 or 3 races. not unheard of but just out of the blue - he got a year and change on the first one, now this.....how is the pushrod? any chance its not "smoothly" engaging the clutch plates? only thing that would the wear you are saying is a hard engagement or rough riding that I can think of - are you riding MX tracks? What are you doing while landing? on the gas, off the gas, on the clutch, off the clutch? The impact of the rear wheel landing on a jump can transmit some gusto to the clutch...that's what I can think of...